# KoeSIM vs eSIMzero

The clearest difference is update cadence: eSIMzero at every 2 weeks against KoeSIM's every 14 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KoeSIM ships an update every 14 months, eSIMzero every 2 weeks. The most recent releases landed on September 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | KoeSIM | eSIMzero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/esimzero/id6450664747/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 10 MB | 62 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prepia](https://appshunter.io/developer/1653340695) | [Across The World Mongolia Limited](https://appshunter.io/developer/1694277935) |

## What reviewers say

### KoeSIM

[App page](https://appshunter.io/ios/app/koesim/id6444247399)

**In-app purchases:** none


### eSIMzero

[App page](https://appshunter.io/ios/app/esimzero/id6450664747)

This app provides affordable and user-friendly travel eSIM bundles for global connectivity in over 150 countries. It offers a modern, cost-effective alternative to physical SIM cards, ensuring seamless connection for your adventures.

**Highlights:** Global eSIM bundles, Over 150 countries supported, Affordable travel data, User-friendly interface, Alternative to physical SIMs, Seamless connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KoeSIM free?

KoeSIM is free to download, with no in-app purchases.

### Is eSIMzero free?

eSIMzero is free to download, with no in-app purchases.

### Do KoeSIM or eSIMzero have ads?

Neither KoeSIM nor eSIMzero shows ads.

### Which is updated more often, KoeSIM or eSIMzero?

KoeSIM ships an update every 14 months, and eSIMzero every 2 weeks. Most recently, KoeSIM was updated on September 15, 2026 and eSIMzero on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*