One Sim vs KlimTrav
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Sim
Install your eSIM once and enjoy seamless global connectivity. Purchase data packages for entire regions, eliminating the need for reinstallation or QR codes. Stay online for maps, messaging, and memories with fast 4G/5G data across multiple countries.
- Install eSIM once
- Regional data packages
- Seamless cross-country coverage
- Fast 4G/5G data
- No QR codes or reinstallation
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With onesim, you install your eSIM once and never again. Every time you buy a new data package, it’s instantly ready to use - no reinstallation, no QR codes, no roaming headaches. Whether you’re exploring Europe, heading across the Americas, or venturing into Asia, onesim keeps you connected with reliable data in every country you visit. Stay online for maps, messaging, and memories - all with a single data plan. Why travelers love onesim: • One eSIM - install once and you’re set • One data package per region - Traveling to Europe? Purchase one data package and you’re covered wherever you go! • Seamless coverage - stay online as you cross countries • Fast 4G/5G data - perfect for maps, chat, and travel apps
KlimTrav
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Klimtrav vergleicht Flugpreise von Reiseagenturen gleichzeitig und hilft Ihnen, den günstigsten Flug innerhalb von Sekunden zu finden. Suchen Sie Hin- oder Hin- und Rückflüge zwischen 32 Flughäfen in Europa und dem Balkan. Ergebnisse kommen von allen Agenturen gleichzeitig. Klimtrav zeigt Ihnen automatisch, ob es günstigere Tage in der Nähe Ihres Reisedatums gibt — sparen Sie Geld ohne zusätzlichen Aufwand. Aktivieren Sie den Preis-Alarm und erhalten Sie eine Benachrichtigung, wenn der Flugpreis sinkt. Die App ist in drei Sprachen verfügbar: Albanisch, Deutsch und Englisch. Klimtrav wurde speziell für Reisende entwickelt, die zwischen Europa und Kosovo, Albanien und Nordmazedonien fliegen.
Screenshots
Verdict
The clearest difference is update cadence: KlimTrav at daily against One Sim's weekly. KlimTrav also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
One Sim ships an update weekly, KlimTrav daily. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.
| Parameter | One Sim | KlimTrav |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (10 ratings) — better | — |
| Positive reviews | 76.9% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Weekly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 73 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | Horizon Digital Ventures L.L.C. | Mendim Klimenta |
In-app purchases
One Sim
No in-app purchases
KlimTrav
No in-app purchases
