One Sim
How much does One Sim cost?
Prices are current as of 12 Sept 2026.
One Sim has no in-app products on record in the United States.
10+ alternatives to One Sim
| One Sim |   SuperSim: eSIM, 5G & Travel |   VIA eSIM |   99esim: Travel eSIM Data |   TurkSIM: Data eSIM for Travel |   Kudo eSIM |   Gjirafa eSIM: Travel Data SIM |   DataJet eSIM Travel & Internet |   MobiSIM: eSIM Travel Data |   Vega Charging |   Rent Kerr | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Rating / 5 | 4.5 | 4.7 | 4.8 | 4.8 | 4.6 | 4.6 | 4.5 | 4.6 | 4.9 | 3.7 | — |
| Reviews | 317 | 6.1K | 2.5K | 2.4K | 224 | 206 | 121 | 73 | 46 | 12 | — |
| Released | 2025 | 2024 | 2024 | 2024 | 2025 | 2024 | 2025 | 2024 | 2025 | 2025 | 2025 |
One Sim reviews
4.5 out of 5, based on 317 reviews.
What people like
- Very easy to use and set up.
- Great internet speeds when it works well.
- Customer service responds very quickly.
What they complain about
- Prices seem unfair compared to competitors.
- Connection is poor in some Balkan countries.
- Data disappears completely after the period ends.
The Best
Very happy with the performance and simplicity. Tried the others and best by far.
Schlecht
Hab den Paket Balkan Länder genommen alle sind dabei nur Kosovo nicht. Somit dieser eSim ist nutzlos. Now Go.
Kunden service
Kundenservice perfekt te lajmrohen menjeher
Internet Verbindung
Teilweise funktioniert es ganz ok aber Bosnien würde ich sagen eher schlecht/ Kosovo und Montenegro genau das selbe
Sehr gutes Internet im Ausland
Sehr gute Internetverbindung im Ausland. Die Aktivierung war einfach und das Internet hat zuverlässig funktioniert. Ich bin sehr zufrieden und kann One Sim weiterempfehlen.
Not fear Kosovo extra zahlen
Nach Ablauf alles weg not fair einmal nie wieder
Empfehlenswert
Jedes Land wo drauf ist sehr gut funktioniert
Sehr schlöcht
Ich wahr in Montenegro und verbindug ist sehr schlöcht bin ich nicht zufrieden
Fantastisch
Hab es für 2 Wochen im Kosovo benutzt. Es war sehr gut und einfach zu benutzen.
Shum shtrejtë për Kosovë
Në Europë 19 euro 20 gb a në Kosovë 22 euro 10 gb , ja u pshurrsha nerën
My güzel
Açamıyorum
Bester e sim App
Bin in der Türkei kann ich nur empfehlen
Sehr gut
Ja
Used it once, will use it always
Super user friendly, works literally everywhere and the best prices compared to other options in the market.
Super fast esim
I dont think i will ever change this esim again, its the best
The best
No words needed, works amazing! I highly recommend
One Sim FAQ
- Is One Sim free?
- Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.
- Does One Sim have a free trial?
- No. None of its offers (US) come with a free trial.
- What are the best alternatives to One Sim?
- SuperSim: eSIM, 5G & Travel (4.7 from 6,118 reviews), VIA eSIM (4.8 from 2,488 reviews) and 99esim: Travel eSIM Data (4.8 from 2,355 reviews).
One Sim download
Last updated 3 months ago.
One Sim sells in 175 countries. It was released 1 year ago, on 27 Sept 2025. It holds a 4.5 rating from 317 reviews.
Supports 1 language: English.
How much does One Sim make?
Third-party estimates for the last 30 days, worldwide — not the store's own figures, which Apple publishes for nobody.