# Unit Converter vs PaintGenius

The clearest difference is price: Unit Converter at Free against PaintGenius's $3.99. Unit Converter also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (12.0 vs 17.6). PaintGenius's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

Unit Converter is free to download; PaintGenius costs $3.99 up front. Unit Converter sells 1 one-off in-app purchase. PaintGenius asks for nothing beyond the download.

Unit Converter ships an update every 2 weeks, PaintGenius every 5 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Unit Converter | PaintGenius |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | — | Paid |
| Size | 29 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [伟鹏 李](https://appshunter.io/developer/1817642925) | [秀银 林](https://appshunter.io/developer/1835808687) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-easyunit/id6754090225)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Membership | $0.99 | one-time |


### PaintGenius

[App page](https://appshunter.io/ios/app/paintgenius/id6754793096)

This professional tool assists in matching paint colors for general and automotive applications. It calculates precise paint recipes using advanced algorithms and provides a guided verification workflow for accurate results. The app ensures optimal color matching by analyzing source colors and suggesting ideal palettes.

**Highlights:** Advanced recipe calculation (CMY & Kubelka-Munk), Iterative optimization for color accuracy, Intelligent source color analysis and recommendations, Support for 2-stage and 3-stage automotive paints, Multi-angle sampling for metallic/pearl paints, Recipe library with volume calculator, Step-by-step verification workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter free?

Unit Converter is free to download, with in-app purchases available.

### Is PaintGenius free?

PaintGenius costs $3.99, with no in-app purchases.

### Do Unit Converter or PaintGenius have ads?

Neither Unit Converter nor PaintGenius shows ads.

### Which is updated more often, Unit Converter or PaintGenius?

Unit Converter ships an update every 2 weeks, and PaintGenius every 5 weeks. Most recently, Unit Converter was updated on November 9, 2026 and PaintGenius on November 5, 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.*