# chmod vs PaintGenius

The clearest difference is price: chmod at Free against PaintGenius's $3.99. chmod also leads on iOS requirement (8.2 vs 17.6). PaintGenius's advantage is update cadence (every 5 weeks vs every 5 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

chmod is free to download; PaintGenius costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

chmod ships an update every 5 months, PaintGenius every 5 weeks. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | chmod | PaintGenius |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chmod-fu/id927838132/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | **Free** | Paid |
| Size | 10 MB | 5 MB |
| Requires iOS | **8.2** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Red Shark AB](https://appshunter.io/developer/927838131) | [秀银 林](https://appshunter.io/developer/1835808687) |

## What reviewers say

### chmod

[App page](https://appshunter.io/ios/app/chmod-fu/id927838132)

This app helps you understand and master the 'chmod' command by easily deciphering octal values. Choose to click individual bits or select octal values to learn file permissions.

**Highlights:** Decipher octal values, Learn file permissions, User-friendly interface, Click individual bits, Select octal values

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 chmod free?

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

### Is PaintGenius free?

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

### Do chmod or PaintGenius have ads?

Neither chmod nor PaintGenius shows ads.

### Which is updated more often, chmod or PaintGenius?

chmod ships an update every 5 months, and PaintGenius every 5 weeks. Most recently, chmod was updated on October 13, 2026 and PaintGenius on October 7, 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.*