# e2n terminal vs PostAir

The clearest difference is in-app purchases: e2n terminal at none against PostAir's 3. PostAir's advantage is update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PostAir sells 3 in-app purchases, starting at $17.00 per month. e2n terminal asks for nothing beyond the download.

e2n terminal ships an update monthly, PostAir every 9 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | e2n terminal | PostAir |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Size | 11 MB | 13 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E2N GmbH](https://appshunter.io/developer/1700909997) | [Helmuth Rieger](https://appshunter.io/developer/6775443690) |

## What reviewers say

### e2n terminal

[App page](https://appshunter.io/ios/app/e2n-terminal/id6457364608)

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

**In-app purchases:** none


### PostAir

[App page](https://appshunter.io/ios/app/postair/id6775443687)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PostAir Starter | $17.00 | per month |
| PostAir Pro | $45.00 | per month |
| PostAir Business | $89.00 | per month |


## Frequently asked questions

### Is e2n terminal free?

e2n terminal is free to download, with no in-app purchases.

### Is PostAir free?

PostAir is free to download, with in-app purchases available.

### Do e2n terminal or PostAir have ads?

Neither e2n terminal nor PostAir shows ads.

### Which is updated more often, e2n terminal or PostAir?

e2n terminal ships an update monthly, and PostAir every 9 days. Most recently, e2n terminal was updated on October 27, 2026 and PostAir on October 31, 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.*