# eSIMzero vs Constella Mobile

The clearest difference is update cadence: eSIMzero at every 2 weeks against Constella Mobile's every 2 months. eSIMzero also leads on iOS requirement (12.0 vs 17.5). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for eSIMzero against 5.0 for Constella Mobile. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

eSIMzero ships an update every 2 weeks, Constella Mobile every 2 months. The most recent releases landed on July 6, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | eSIMzero | Constella Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/esimzero/id6450664747/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/constella-mobile/id6544783228/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 62 MB | 35 MB |
| Requires iOS | **12.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Across The World Mongolia Limited](https://appshunter.io/developer/1694277935) | [Orion Software LLC](https://appshunter.io/developer/1754402580) |

## What reviewers say

### 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


### Constella Mobile

[App page](https://appshunter.io/ios/app/constella-mobile/id6544783228)

This app provides global data connectivity for travelers using eSIM technology. Enjoy seamless, affordable data access in over 192 countries without expensive roaming charges or physical SIM cards. It offers easy setup, a user-friendly interface, and secure, reliable service.

**Highlights:** Seamless eSIM connectivity, Global coverage in 192+ countries, Affordable data plans, Easy eSIM activation, User-friendly data management, Secure and reliable connection

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is eSIMzero free?

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

### Is Constella Mobile free?

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

### Which has better reviews, eSIMzero or Constella Mobile?

eSIMzero and Constella Mobile are both rated 5.0 out of 5 on the App Store, from 9 and 11 ratings respectively.

### Do eSIMzero or Constella Mobile have ads?

Neither eSIMzero nor Constella Mobile shows ads.

### Which is updated more often, eSIMzero or Constella Mobile?

eSIMzero ships an update every 2 weeks, and Constella Mobile every 2 months. Most recently, eSIMzero was updated on July 6, 2026 and Constella Mobile on July 17, 2026.

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