Lowest price per GB
5G
Roamic
Japan eSIM - 20 GB / 30 Tage
€14.99 one-off
US$16.87
Price per GB €0.75 (US$0.84) per GB
Price per day €0.50 (US$0.56) per day
Plan 20 GB for 30 days
- Destination
- Japan
- Validity starts
- with the first connection at the destination
- Hotspot
- allowed
- Networks at the destination
- Rakuten Mobile, NTT docomo, KDDI/au, Softbank
Checked on at Roamic
Unlimited: lowest price per day
5G
Roamic Japan eSIM - Unbegrenzte Daten / 30 Tage
- Price per day
- €1.60 (US$1.80) per day
- Price
- €47.99 (US$54.00)
- Validity
- 30 days
Condition: 3 GB at full speed per day, then 1 Mbit/s
Checked on at Roamic
33 checked eSIM plans for Japan in October 2026
Sorted by price per GB in euros, with no paid placements.
| Provider | Plan | Data | Validity | Price | Per GB | Per day | Hotspot | Checked | To the provider |
|---|---|---|---|---|---|---|---|---|---|
| Roamic | Japan eSIM - 20 GB / 30 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | 20 GB | 30 days | €14.99 (US$16.87) | €0.75 (US$0.84) per GB | €0.50 (US$0.56) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Japan 50 GB 180 Tage Network NTT Docomo | 50 GB | 180 days | €42.95 (US$48.33) | €0.86 (US$0.97) per GB | €0.24 (US$0.27) per day | Hotspot allowed | checked | To Simbye Ad |
| Roamic | Japan eSIM - 10 GB / 30 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | 10 GB | 30 days | €8.99 (US$10.12) | €0.90 (US$1.01) per GB | €0.30 (US$0.34) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - 3 GB / 14 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | 3 GB | 14 days | €2.99 (US$3.36) | €1.00 (US$1.12) per GB | €0.21 (US$0.24) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - 5 GB / 21 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | 5 GB | 21 days | €4.99 (US$5.62) | €1.00 (US$1.12) per GB | €0.24 (US$0.27) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Japan 20 GB 30 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | 20 GB | 30 days | €19.95 (US$22.45) | €1.00 (US$1.12) per GB | €0.67 (US$0.75) per day | Hotspot allowed | checked | To Simbye Ad |
| Yesim | Japan 30 GB • 30 Tage Network KDDI | 30 GB | 30 days | €33.00 (US$37.13) | €1.10 (US$1.24) per GB | €1.10 (US$1.24) per day | Hotspot allowed | checked | View plan |
| Ubigi | Japan 50 GB, 30 Tage Networks KDDI, NTT Docomo | 50 GB | 30 days | €55.00 (US$61.89) | €1.10 (US$1.24) per GB | €1.83 (US$2.06) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 20 GB - 15 tage Networks Softbank, KDDI | 20 GB | 15 days | €22.50 (US$25.32) | €1.13 (US$1.27) per GB | €1.50 (US$1.69) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 20 GB - 30 tage Networks Softbank, KDDI | 20 GB | 30 days | €23.00 (US$25.88) | €1.15 (US$1.29) per GB | €0.77 (US$0.86) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Japan 10 GB 30 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | 10 GB | 30 days | €11.95 (US$13.45) | €1.20 (US$1.35) per GB | €0.40 (US$0.45) per day | Hotspot allowed | checked | To Simbye Ad |
| Yesim | Japan 20 GB • 30 Tage Network KDDI | 20 GB | 30 days | €24.80 (US$27.91) | €1.24 (US$1.40) per GB | €0.83 (US$0.93) per day | Hotspot allowed | checked | View plan |
| Ubigi | Japan 25 GB, 30 Tage Networks KDDI, NTT Docomo | 25 GB | 30 days | €32.00 (US$36.01) | €1.28 (US$1.44) per GB | €1.07 (US$1.20) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Japan 5 GB 30 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | 5 GB | 30 days | €6.95 (US$7.82) | €1.39 (US$1.56) per GB | €0.23 (US$0.26) per day | Hotspot allowed | checked | To Simbye Ad |
| Ubigi | Japan 10 GB, 7 Tage | 10 GB | 7 days | €14.00 (US$15.75) | €1.40 (US$1.58) per GB | €2.00 (US$2.25) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 10 GB - 7 tage Networks Softbank, KDDI | 10 GB | 7 days | €16.00 (US$18.00) | €1.60 (US$1.80) per GB | €2.29 (US$2.57) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan 10 GB • 30 Tage Network KDDI | 10 GB | 30 days | €16.00 (US$18.00) | €1.60 (US$1.80) per GB | €0.53 (US$0.60) per day | Hotspot allowed | checked | View plan |
| Simbye | Japan 3 GB 15 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | 3 GB | 15 days | €4.95 (US$5.57) | €1.65 (US$1.86) per GB | €0.33 (US$0.37) per day | Hotspot allowed | checked | To Simbye Ad |
| Airalo | 10 GB - 15 tage Networks Softbank, KDDI | 10 GB | 15 days | €16.50 (US$18.57) | €1.65 (US$1.86) per GB | €1.10 (US$1.24) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan 10 GB, 30 Tage | 10 GB | 30 days | €16.50 (US$18.57) | €1.65 (US$1.86) per GB | €0.55 (US$0.62) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 10 GB - 30 tage Networks Softbank, KDDI | 10 GB | 30 days | €17.00 (US$19.13) | €1.70 (US$1.91) per GB | €0.57 (US$0.64) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan 5 GB • 30 Tage Network KDDI | 5 GB | 30 days | €8.80 (US$9.90) | €1.76 (US$1.98) per GB | €0.29 (US$0.33) per day | Hotspot allowed | checked | View plan |
| Airalo | 5 GB - 7 tage Networks Softbank, KDDI | 5 GB | 7 days | €9.50 (US$10.69) | €1.90 (US$2.14) per GB | €1.36 (US$1.53) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Japan 1 GB 7 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | 1 GB | 7 days | €1.95 (US$2.19) | €1.95 (US$2.19) per GB | €0.28 (US$0.31) per day | Hotspot allowed | checked | To Simbye Ad |
| Roamic | Japan eSIM - 1 GB / 7 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | 1 GB | 7 days | €1.99 (US$2.24) | €1.99 (US$2.24) per GB | €0.28 (US$0.32) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 5 GB - 15 tage Networks Softbank, KDDI | 5 GB | 15 days | €10.00 (US$11.25) | €2.00 (US$2.25) per GB | €0.67 (US$0.75) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan 5 GB, 15 Tage Networks KDDI, NTT Docomo | 5 GB | 15 days | €10.00 (US$11.25) | €2.00 (US$2.25) per GB | €0.67 (US$0.75) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 5 GB - 30 tage Networks Softbank, KDDI | 5 GB | 30 days | €10.50 (US$11.82) | €2.10 (US$2.36) per GB | €0.35 (US$0.39) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 3 GB - 3 tage Networks Softbank, KDDI | 3 GB | 3 days | €7.00 (US$7.88) | €2.33 (US$2.63) per GB | €2.33 (US$2.63) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | 3 GB - 7 tage Networks Softbank, KDDI | 3 GB | 7 days | €7.50 (US$8.44) | €2.50 (US$2.81) per GB | €1.07 (US$1.21) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan 1 GB, 3 Tage Networks KDDI, NTT Docomo | 1 GB | 3 days | €3.50 (US$3.94) | €3.50 (US$3.94) per GB | €1.17 (US$1.31) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan 1 GB • 30 Tage Network KDDI | 1 GB | 30 days | €3.70 (US$4.16) | €3.70 (US$4.16) per GB | €0.12 (US$0.14) per day | Hotspot allowed | checked | View plan |
| Airalo | 1 GB - 3 tage Networks Softbank, KDDI | 1 GB | 3 days | €4.00 (US$4.50) | €4.00 (US$4.50) per GB | €1.33 (US$1.50) per day | Hotspot allowed | checked | View plan Ad |
eSIM for Japan with unlimited data
| Provider | Plan | Data | Validity | Price | Per day | Hotspot | Checked | To the provider |
|---|---|---|---|---|---|---|---|---|
| Roamic | Japan eSIM - Unbegrenzte Daten / 30 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 30 days | €47.99 (US$54.00) | €1.60 (US$1.80) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 29 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 29 days | €46.99 (US$52.88) | €1.62 (US$1.82) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 28 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 28 days | €45.99 (US$51.75) | €1.64 (US$1.85) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 27 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 27 days | €44.99 (US$50.63) | €1.67 (US$1.88) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 26 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 26 days | €43.99 (US$49.50) | €1.69 (US$1.90) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 25 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 25 days | €43.99 (US$49.50) | €1.76 (US$1.98) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 24 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 24 days | €42.99 (US$48.38) | €1.79 (US$2.02) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 23 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 23 days | €41.99 (US$47.25) | €1.83 (US$2.05) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan Unbegrenzt • 30 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 30 days | €55.00 (US$61.89) | €1.83 (US$2.06) per day | Hotspot allowed | checked | View plan |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 22 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 22 days | €41.99 (US$47.25) | €1.91 (US$2.15) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 20 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 20 days | €38.99 (US$43.88) | €1.95 (US$2.19) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 21 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 21 days | €40.99 (US$46.13) | €1.95 (US$2.20) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 19 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 19 days | €37.99 (US$42.75) | €2.00 (US$2.25) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 18 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 18 days | €36.99 (US$41.62) | €2.06 (US$2.31) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 16 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 16 days | €33.99 (US$38.25) | €2.12 (US$2.39) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 17 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 17 days | €35.99 (US$40.50) | €2.12 (US$2.38) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan Unbegrenzt • 20 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 20 days | €42.33 (US$47.63) | €2.12 (US$2.38) per day | Hotspot allowed | checked | View plan |
| Airalo | Unbegrenzt - 30 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 30 days | €63.50 (US$71.46) | €2.12 (US$2.38) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan Unbegrenzt, 30 Tage Networks KDDI, NTT Docomo | unlimited 60 GB at full speed for the whole validity, then 2 Mbit/s | 30 days | €65.00 (US$73.14) | €2.17 (US$2.44) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 15 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 15 days | €32.99 (US$37.12) | €2.20 (US$2.47) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 14 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 14 days | €30.99 (US$34.87) | €2.21 (US$2.49) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Unbegrenzt 30 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | unlimited 2 GB at full speed per day, then 1 Mbit/s | 30 days | €66.95 (US$75.34) | €2.23 (US$2.51) per day | Hotspot allowed | checked | To Simbye Ad |
| Simbye | Unbegrenzt 15 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | unlimited 2 GB at full speed per day, then 1 Mbit/s | 15 days | €33.95 (US$38.20) | €2.26 (US$2.55) per day | Hotspot allowed | checked | To Simbye Ad |
| Holafly | eSIM für Japan, 30 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 30 days | €68.90 (US$77.53) | €2.30 (US$2.58) per day | Hotspot allowed with limits | checked | View plan |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 13 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 13 days | €29.99 (US$33.75) | €2.31 (US$2.60) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 12 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 12 days | €27.99 (US$31.50) | €2.33 (US$2.63) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 11 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 11 days | €25.99 (US$29.25) | €2.36 (US$2.66) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 10 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 10 days | €23.99 (US$27.00) | €2.40 (US$2.70) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan Unbegrenzt • 15 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 15 days | €36.00 (US$40.51) | €2.40 (US$2.70) per day | Hotspot allowed | checked | View plan |
| Yesim | Japan Unbegrenzt • 14 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 14 days | €34.56 (US$38.89) | €2.47 (US$2.78) per day | Hotspot allowed | checked | View plan |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 8 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 8 days | €19.99 (US$22.49) | €2.50 (US$2.81) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 9 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 9 days | €22.99 (US$25.87) | €2.55 (US$2.87) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan Unbegrenzt, 15 Tage Networks KDDI, NTT Docomo | unlimited 30 GB at full speed for the whole validity, then 2 Mbit/s | 15 days | €39.00 (US$43.89) | €2.60 (US$2.93) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 6 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 6 days | €15.99 (US$17.99) | €2.67 (US$3.00) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 7 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 7 days | €18.99 (US$21.37) | €2.71 (US$3.05) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 4 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 4 days | €10.99 (US$12.37) | €2.75 (US$3.09) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 5 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 5 days | €13.99 (US$15.74) | €2.80 (US$3.15) per day | Hotspot allowed | checked | View plan Ad |
| Simbye | Unbegrenzt 7 Tage Networks NTT Docomo, KDDI/au, SoftBank, Rakuten Mobile | unlimited 2 GB at full speed per day, then 1 Mbit/s | 7 days | €19.95 (US$22.45) | €2.85 (US$3.21) per day | Hotspot allowed | checked | To Simbye Ad |
| Yesim | Japan Unbegrenzt • 10 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 10 days | €28.81 (US$32.42) | €2.88 (US$3.24) per day | Hotspot allowed | checked | View plan |
| Airalo | Unbegrenzt - 15 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 15 days | €44.50 (US$50.08) | €2.97 (US$3.34) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 1 Tag Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 1 day | €2.99 (US$3.36) | €2.99 (US$3.36) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenztes Datenvolumen / 2 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 2 days | €5.99 (US$6.74) | €3.00 (US$3.37) per day | Hotspot allowed | checked | View plan Ad |
| Roamic | Japan eSIM - Unbegrenzte Daten / 3 Tage Networks Rakuten Mobile, NTT docomo, KDDI/au, Softbank | unlimited 3 GB at full speed per day, then 1 Mbit/s | 3 days | €8.99 (US$10.12) | €3.00 (US$3.37) per day | Hotspot allowed | checked | View plan Ad |
| Ubigi | Japan Unbegrenzt, 8 Tage Networks KDDI, NTT Docomo | unlimited 5 GB at full speed per 24 hours, then 2 Mbit/s | 8 days | €25.00 (US$28.13) | €3.13 (US$3.52) per day | Hotspot allowed | checked | View plan Ad |
| Holafly | eSIM für Japan, 15 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 15 days | €46.90 (US$52.78) | €3.13 (US$3.52) per day | Hotspot allowed with limits | checked | View plan |
| Airalo | Unbegrenzt - 5 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 5 days | €16.00 (US$18.00) | €3.20 (US$3.60) per day | Hotspot allowed | checked | View plan Ad |
| Airalo | Unbegrenzt - 10 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 10 days | €32.00 (US$36.01) | €3.20 (US$3.60) per day | Hotspot allowed | checked | View plan Ad |
| Holafly | eSIM für Japan, 10 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 10 days | €33.90 (US$38.15) | €3.39 (US$3.82) per day | Hotspot allowed with limits | checked | View plan |
| Yesim | Japan Unbegrenzt • 1 Tag Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 1 day | €3.50 (US$3.94) | €3.50 (US$3.94) per day | Hotspot allowed | checked | View plan |
| Yesim | Japan Unbegrenzt • 3 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 3 days | €10.50 (US$11.82) | €3.50 (US$3.94) per day | Hotspot allowed | checked | View plan |
| Yesim | Japan Unbegrenzt • 5 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 5 days | €17.50 (US$19.69) | €3.50 (US$3.94) per day | Hotspot allowed | checked | View plan |
| Airalo | Unbegrenzt - 7 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 7 days | €24.50 (US$27.57) | €3.50 (US$3.94) per day | Hotspot allowed | checked | View plan Ad |
| Yesim | Japan Unbegrenzt • 7 Tage Network KDDI | unlimited Speed may be reduced under the network's fair use policy | 7 days | €24.50 (US$27.57) | €3.50 (US$3.94) per day | Hotspot allowed | checked | View plan |
| Holafly | eSIM für Japan, 7 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 7 days | €25.50 (US$28.70) | €3.64 (US$4.10) per day | Hotspot allowed with limits | checked | View plan |
| Airalo | Unbegrenzt - 3 tage Networks Softbank, KDDI | unlimited 3 GB at full speed per day, then 1 Mbit/s | 3 days | €11.00 (US$12.38) | €3.67 (US$4.13) per day | Hotspot allowed | checked | View plan Ad |
| Holafly | eSIM für Japan, 5 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 5 days | €18.50 (US$20.82) | €3.70 (US$4.16) per day | Hotspot allowed with limits | checked | View plan |
| Holafly | eSIM für Japan, 3 Tage Networks KDDI, Softbank | unlimited Speed may be reduced under the network's fair use policy | 3 days | €11.37 (US$12.79) | €3.79 (US$4.26) per day | Hotspot allowed with limits | checked | View plan |
eSIM for Japan by trip length and data needs
- One week, at least 5 GB
- For one week with at least 5 GB in Japan, the cheapest checked plan is “5 GB, 21 days” from Roamic: 5 GB for 21 days costs €4.99 (US$5.62), which is €1.00 (US$1.12) per GB and €0.24 (US$0.27) per day. As of 19 October 2026.
- Two weeks, at least 10 GB
- For two weeks with at least 10 GB in Japan, the cheapest checked plan is “10 GB, 30 days” from Roamic: 10 GB for 30 days costs €8.99 (US$10.12), which is €0.90 (US$1.01) per GB and €0.30 (US$0.34) per day. As of 19 October 2026.
- One month, at least 20 GB
- For one month with at least 20 GB in Japan, the cheapest checked plan is “20 GB, 30 days” from Roamic: 20 GB for 30 days costs €14.99 (US$16.87), which is €0.75 (US$0.84) per GB and €0.50 (US$0.56) per day. As of 19 October 2026.
- One week unlimited
- For one week with unlimited data in Japan, the cheapest checked plan is “Unlimited, 7 days” from Roamic: unlimited data for 7 days costs €18.99 (US$21.37), which is €2.71 (US$3.05) per day. As of 19 October 2026.
eSIM for Japan: networks, price range and activation
Networks in Japan
Roamic uses Rakuten Mobile, NTT docomo, KDDI/au and Softbank in Japan. Simbye uses NTT Docomo, KDDI/au, SoftBank and Rakuten Mobile in Japan. Yesim uses KDDI in Japan. Ubigi uses KDDI and NTT Docomo in Japan. Airalo uses Softbank and KDDI in Japan. Holafly uses KDDI and Softbank in Japan. As of 19 October 2026.
Price range per GB in Japan
Per GB, the 33 plans with fixed data for Japan cost between €0.75 (US$0.84) and €4.00 (US$4.50); the median is €1.60 (US$1.80) per GB, and the most expensive GB costs 5.3 times the cheapest. The cheapest GB per provider: Roamic €0.75 (US$0.84) per GB, Simbye €0.86 (US$0.97) per GB, Yesim €1.10 (US$1.24) per GB, Ubigi €1.10 (US$1.24) per GB and Airalo €1.13 (US$1.27) per GB. As of 19 October 2026.
Unlimited data in Japan
The cheapest plan with unlimited data for Japan is “Unlimited, 30 days” from Roamic: €47.99 (US$54.00) for 30 days, which is €1.60 (US$1.80) per day. The condition according to Roamic: 3 GB at full speed per day, then 1 Mbit/s. Unlimited plans for Japan are offered by Roamic, Yesim, Airalo, Ubigi, Simbye and Holafly. As of 19 October 2026.
Activation: when does the validity of an eSIM for Japan start?
With all 6 providers, the validity starts with the first connection in Japan. The 30 days of “20 GB, 30 days” therefore only count from activation in Japan, even if the eSIM is installed at home. As of 23 September 2026.
Providers compared for Japan
For Japan, meineSIM compares plans from Roamic, Simbye, Yesim, Ubigi, Airalo and Holafly. Saily is not part of the comparison.
Frequently asked questions about an eSIM for Japan
How much does an eSIM for Japan cost?
On 19 October 2026, the 90 checked eSIM plans for Japan cost between €1.95 (US$2.19) and €68.90 (US$77.53). The cheapest is “1 GB, 7 days” from Simbye: €1.95 (US$2.19) for 1 GB and 7 days. The lowest price per GB is €0.75 (US$0.84), with “20 GB, 30 days” from Roamic.
Is there an eSIM for Japan with unlimited data?
Yes. meineSIM checked 57 plans with unlimited data for Japan from Roamic, Yesim, Airalo, Ubigi, Simbye and Holafly. The lowest price per day is €1.60 (US$1.80), with “Unlimited, 30 days” from Roamic at €47.99 (US$54.00) for 30 days. As of 19 October 2026.
Which mobile networks does an eSIM for Japan use?
The checked eSIM plans for Japan use Rakuten Mobile, NTT docomo, KDDI/au, Softbank and KDDI. Which network a plan uses is listed in the table for each plan. As of 19 October 2026.
This comparison is also available in German, with roaming prices of German mobile contracts: eSIM Japan
US dollar amounts converted at the ECB reference rate of 16 October 2026, 1 euro = 1.1253 US dollars.
Prices come from the eSIM providers' own websites, never from other comparison sites. The price on the provider's site is binding. How meineSIM checks and calculates travel eSIMs (in German)