# TabbixPro vs UnitAi

The clearest difference is price: UnitAi at Free against TabbixPro's $8.99. TabbixPro's advantage is update cadence (every 6 weeks vs every 11 months) and iOS requirement (15.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

UnitAi is free to download; TabbixPro costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TabbixPro ships an update every 6 weeks, UnitAi every 11 months. The most recent releases landed on September 14, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | TabbixPro | UnitAi |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Size | 23 MB | 1 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Tirgil](https://appshunter.io/developer/1704865335) | [ZERONOON LIMITED](https://appshunter.io/developer/1775736649) |

## What reviewers say

### TabbixPro

[App page](https://appshunter.io/ios/app/tabbixpro/id6466210981)

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

**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 TabbixPro free?

TabbixPro costs $8.99, with no in-app purchases.

### Is UnitAi free?

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

### Do TabbixPro or UnitAi have ads?

Neither TabbixPro nor UnitAi shows ads.

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

TabbixPro ships an update every 6 weeks, and UnitAi every 11 months. Most recently, TabbixPro was updated on September 14, 2026 and UnitAi on May 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.*