# Accessibility Audit vs Contrast Checker WCAG AA AAA

The clearest difference is update cadence: Accessibility Audit at every 3 weeks against Contrast Checker WCAG AA AAA's every 4 months. Contrast Checker WCAG AA AAA's advantage is iOS requirement (17.0 vs 26.0). 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.

Accessibility Audit ships an update every 3 weeks, Contrast Checker WCAG AA AAA every 4 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Accessibility Audit | Contrast Checker WCAG AA AAA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 4 MB | 3 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Valeriya Pekar](https://appshunter.io/developer/1600468027) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Accessibility Audit

[App page](https://appshunter.io/ios/app/accessibility-audit/id6771714618)

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

**In-app purchases:** none


### Contrast Checker WCAG AA AAA

[App page](https://appshunter.io/ios/app/contrast-checker-wcag-aa-aaa/id6772256221)

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

**In-app purchases:** none


## Frequently asked questions

### Is Accessibility Audit free?

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

### Is Contrast Checker WCAG AA AAA free?

Contrast Checker WCAG AA AAA is free to download, with no in-app purchases.

### Do Accessibility Audit or Contrast Checker WCAG AA AAA have ads?

Neither Accessibility Audit nor Contrast Checker WCAG AA AAA shows ads.

### Which is updated more often, Accessibility Audit or Contrast Checker WCAG AA AAA?

Accessibility Audit ships an update every 3 weeks, and Contrast Checker WCAG AA AAA every 4 months. Most recently, Accessibility Audit was updated on October 10, 2026 and Contrast Checker WCAG AA AAA 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.*