# Unitify vs UnitAi

The clearest difference is update cadence: Unitify at every 2 weeks against UnitAi's every 11 months. Unitify also leads on iOS requirement (15.0 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.

Unitify ships an update every 2 weeks, UnitAi every 11 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Unitify | UnitAi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Size | 5 MB | 1 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marwa Abou Niaaj](https://appshunter.io/developer/1407184850) | [ZERONOON LIMITED](https://appshunter.io/developer/1775736649) |

## What reviewers say

### Unitify

[App page](https://appshunter.io/ios/app/unitify-unit-conversion/id1641864451)

**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 Unitify free?

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

### Is UnitAi free?

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

### Do Unitify or UnitAi have ads?

Neither Unitify nor UnitAi shows ads.

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

Unitify ships an update every 2 weeks, and UnitAi every 11 months. Most recently, Unitify was updated on October 15, 2026 and UnitAi on October 17, 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.*