# Color Blind Test (CBT) vs RefreshGO

The clearest difference is price: Color Blind Test (CBT) at Free against RefreshGO's $0.99. Color Blind Test (CBT) also leads on update cadence (every 3 weeks vs every 6 weeks) and iOS requirement (12.0 vs 17.6). RefreshGO's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Color Blind Test (CBT) is free to download; RefreshGO costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Color Blind Test (CBT) ships an update every 3 weeks, RefreshGO every 6 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Color Blind Test (CBT) | RefreshGO |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 34 MB | 12 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bishworaj Poudel](https://appshunter.io/developer/1716220331) | [Jahyeon Ko](https://appshunter.io/developer/1809118103) |

## What reviewers say

### Color Blind Test (CBT)

[App page](https://appshunter.io/ios/app/color-blind-test-cbt/id6474288029)

**In-app purchases:** none


### RefreshGO

[App page](https://appshunter.io/ios/app/refreshgo/id6745421205)

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

**In-app purchases:** none


## Frequently asked questions

### Is Color Blind Test (CBT) free?

Color Blind Test (CBT) is free to download, with no in-app purchases.

### Is RefreshGO free?

RefreshGO costs $0.99, with no in-app purchases.

### Do Color Blind Test (CBT) or RefreshGO have ads?

Color Blind Test (CBT) shows ads; RefreshGO does not.

### Which is updated more often, Color Blind Test (CBT) or RefreshGO?

Color Blind Test (CBT) ships an update every 3 weeks, and RefreshGO every 6 weeks. Most recently, Color Blind Test (CBT) was updated on October 9, 2026 and RefreshGO on October 15, 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.*