# AB Presure vs Au

The clearest difference is price: Au at Free against AB Presure's $7.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Au is free to download; AB Presure costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AB Presure ships an update every 4 months, Au every 3 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | AB Presure | Au |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 10 MB | 31 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Berkovich](https://appshunter.io/developer/1460157188) | [Jean Claude Zabaloff](https://appshunter.io/developer/1729237419) |

## What reviewers say

### AB Presure

[App page](https://appshunter.io/ios/app/ab-presure/id1626858322)

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

**In-app purchases:** none


### Au

[App page](https://appshunter.io/ios/app/au-menu/id6767927342)

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

**In-app purchases:** none


## Frequently asked questions

### Is AB Presure free?

AB Presure costs $7.99, with no in-app purchases.

### Is Au free?

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

### Do AB Presure or Au have ads?

Neither AB Presure nor Au shows ads.

### Which is updated more often, AB Presure or Au?

AB Presure ships an update every 4 months, and Au every 3 months. Most recently, AB Presure was updated on October 12, 2026 and Au on October 21, 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.*