# APPinger vs UnitAi

The clearest difference is update cadence: APPinger at every 4 months against UnitAi's every 11 months. APPinger also leads on iOS requirement (12.0 vs 18.5). 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.

APPinger ships an update every 4 months, UnitAi every 11 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | APPinger | UnitAi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Size | 39 MB | 1 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tndtech Technologiai Intezet Kft.](https://appshunter.io/developer/1450013942) | [ZERONOON LIMITED](https://appshunter.io/developer/1775736649) |

## What reviewers say

### APPinger

[App page](https://appshunter.io/ios/app/appinger/id6444893589)

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitAi

[App page](https://appshunter.io/ios/app/unitai-storage-unit-converter/id6737280787)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is APPinger free?

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

### Is UnitAi free?

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

### Do APPinger or UnitAi have ads?

Neither APPinger nor UnitAi shows ads.

### Which is updated more often, APPinger or UnitAi?

APPinger ships an update every 4 months, and UnitAi every 11 months. Most recently, APPinger was updated on October 1, 2026 and UnitAi on October 1, 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.*