# SimpleGPSApp Lesson 01 vs Accessible Colors

The clearest difference is update cadence: Accessible Colors at daily against SimpleGPSApp Lesson 01's every 16 months. SimpleGPSApp Lesson 01's advantage is iOS requirement (15.0 vs 18.0). 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.

SimpleGPSApp Lesson 01 ships an update every 16 months, Accessible Colors daily. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SimpleGPSApp Lesson 01 | Accessible Colors |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/accessible-colors/id1598182020/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Daily** |
| Monetization | — | Free |
| Size | 8 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Avatar](https://appshunter.io/developer/375690746) | [Fritz Krailinger](https://appshunter.io/developer/1518766277) |

## What reviewers say

### SimpleGPSApp Lesson 01

[App page](https://appshunter.io/ios/app/simplegpsapp-lesson-01/id1596382413)

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

**In-app purchases:** none


### Accessible Colors

[App page](https://appshunter.io/ios/app/accessible-colors/id1598182020)

Instantly verify color contrast ratios to meet WCAG accessibility standards. Supports HEX, RGB, and includes a color picker for seamless integration into your workflow. Aids in creating inclusive and highly readable designs for websites and applications.

**Highlights:** Real-time contrast checking, WCAG 2.1 AA & AAA validation, HEX, RGB, and color picker support, Color blindness simulation, Save and manage color palettes, Minimalist interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SimpleGPSApp Lesson 01 free?

SimpleGPSApp Lesson 01 is free to download, with no in-app purchases.

### Is Accessible Colors free?

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

### Do SimpleGPSApp Lesson 01 or Accessible Colors have ads?

Neither SimpleGPSApp Lesson 01 nor Accessible Colors shows ads.

### Which is updated more often, SimpleGPSApp Lesson 01 or Accessible Colors?

SimpleGPSApp Lesson 01 ships an update every 16 months, and Accessible Colors daily. Most recently, SimpleGPSApp Lesson 01 was updated on November 7, 2026 and Accessible Colors on November 3, 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.*