# eSim onAir vs Uplin eSIM

The clearest difference is iOS requirement: eSim onAir at 12.0 against Uplin eSIM's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

eSim onAir ships an update monthly, Uplin eSIM every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | eSim onAir | Uplin eSIM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 80 MB | 35 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [esim onair ltd](https://appshunter.io/developer/1896776028) | [Uplin Ltd](https://appshunter.io/developer/6780531563) |

## What reviewers say

### eSim onAir

[App page](https://appshunter.io/ios/app/esim-onair/id6771262252)

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

**In-app purchases:** none


### Uplin eSIM

[App page](https://appshunter.io/ios/app/uplin-esim/id6780531561)

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

**In-app purchases:** none


## Frequently asked questions

### Is eSim onAir free?

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

### Is Uplin eSIM free?

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

### Do eSim onAir or Uplin eSIM have ads?

Neither eSim onAir nor Uplin eSIM shows ads.

### Which is updated more often, eSim onAir or Uplin eSIM?

eSim onAir ships an update monthly, and Uplin eSIM every 3 weeks. Most recently, eSim onAir was updated on October 24, 2026 and Uplin eSIM on October 28, 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.*