# Posta Cheetah vs ProBooks.app

The clearest difference is update cadence: Posta Cheetah at every 4 days against ProBooks.app's monthly. 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.

Posta Cheetah ships an update every 4 days, ProBooks.app monthly. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Posta Cheetah | ProBooks.app |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Size | 27 MB | 41 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Valon Mustafa](https://appshunter.io/developer/1764100876) | [Valon Feka](https://appshunter.io/developer/1494975205) |

## What reviewers say

### Posta Cheetah

[App page](https://appshunter.io/ios/app/posta-cheetah/id6746388981)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProBooks.app

[App page](https://appshunter.io/ios/app/probooksapp/id6761665561)

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

**In-app purchases:** none


## Frequently asked questions

### Is Posta Cheetah free?

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

### Is ProBooks.app free?

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

### Do Posta Cheetah or ProBooks.app have ads?

Neither Posta Cheetah nor ProBooks.app shows ads.

### Which is updated more often, Posta Cheetah or ProBooks.app?

Posta Cheetah ships an update every 4 days, and ProBooks.app monthly. Most recently, Posta Cheetah was updated on October 9, 2026 and ProBooks.app on October 19, 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.*