Each operator's option for a 10-day trip, checked on its own site, next to a live data eSIM price for South Korea.
See South Korea eSIM plans →| Operator | Cost | Includes | Slashtel eSIM (same trip) | Difference |
|---|---|---|---|---|
| Telekom | €15.95 · 14 days | 10GB data only | 10GB, 30 days: $10.89 (≈€9.76) | €6.19 less |
| Vodafone Deutschland | €9.99 · 7 days | 1GB | 1GB, 7 days: $2.59 (≈€2.32) | €7.67 less |
| o2 Deutschland | €14.99 · 30 days | 2GB data only | 3GB, 30 days: $4.69 (≈€4.20) | €10.79 less |
Operator prices as listed on telekom.de, vodafone.de, o2online.de on 26 October 2026; they include calls as well as data. Where an operator charges by the day, we compare an eSIM with at least 1GB a day. Slashtel prices are live in US dollars, converted at 0.90 per $1. Telekom is a trademark of Deutsche Telekom AG. Slashtel is not affiliated with Telekom. Vodafone is a trademark of Vodafone Group Plc. Slashtel is not affiliated with Vodafone Deutschland. o2 is a trademark of Telefonica Germany GmbH & Co. OHG. Slashtel is not affiliated with o2 Deutschland.
For a 10-day trip, Vodafone Deutschland at €9.99. Telekom: €15.95. o2 Deutschland: €14.99. Options differ in calls and data allowances, so compare what you will use.
For data, yes against each option we list: a Slashtel eSIM for the same trip costs €9.76 (vs Telekom €15.95), €2.32 (vs Vodafone Deutschland €9.99), €4.20 (vs o2 Deutschland €14.99). Operator options also include calls; the eSIM is data only.
Yes. Keep your German SIM in the phone for calls and texts such as bank codes, and use the eSIM for mobile data.