# AUAU vs Trinity

The clearest difference is iOS requirement: AUAU at 15.5 against Trinity's 17.6. 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.

AUAU ships an update every 2 weeks, Trinity every 9 days. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | AUAU | Trinity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 105 MB | 74 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [auau technology limited](https://appshunter.io/developer/1579268710) | [Ho ming Lau](https://appshunter.io/developer/1829678631) |

## What reviewers say

### AUAU

[App page](https://appshunter.io/ios/app/auau/id6670464271)

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

**In-app purchases:** none


### Trinity

[App page](https://appshunter.io/ios/app/trinity/id6756862652)

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

**In-app purchases:** none


## Frequently asked questions

### Is AUAU free?

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

### Is Trinity free?

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

### Do AUAU or Trinity have ads?

Neither AUAU nor Trinity shows ads.

### Which is updated more often, AUAU or Trinity?

AUAU ships an update every 2 weeks, and Trinity every 9 days. Most recently, AUAU was updated on September 23, 2026 and Trinity on September 13, 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.*