# Reckon vs Color blinds

The clearest difference is in-app purchases: Color blinds at none against Reckon's 1. Reckon's advantage is update cadence (every 7 months vs every 50 months) and iOS requirement (11.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Reckon sells 1 one-off in-app purchase. Color blinds asks for nothing beyond the download.

Reckon ships an update every 7 months, Color blinds every 50 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Reckon | Color blinds |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 50 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 1 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Marchenko](https://appshunter.io/developer/1342683021) | [Debasish Chowdhury](https://appshunter.io/developer/1594915801) |

## What reviewers say

### Reckon

[App page](https://appshunter.io/ios/app/reckon-brain-training/id1434295176)

Engage in a math-based game designed to sharpen your mental arithmetic skills. With five difficulty levels and randomized tasks, challenge yourself and compete for a spot among the top global players. It's suitable for all ages, offering a fun way to practice math anytime, anywhere.

**Highlights:** Math skill practice, Brain training game, Five difficulty levels, Randomized tasks, Global leaderboards, Suitable for all ages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### Color blinds

[App page](https://appshunter.io/ios/app/color-blinds/id1594915799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reckon free?

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

### Is Color blinds free?

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

### Do Reckon or Color blinds have ads?

Neither Reckon nor Color blinds shows ads.

### Which is updated more often, Reckon or Color blinds?

Reckon ships an update every 7 months, and Color blinds every 50 months. Most recently, Reckon was updated on October 26, 2026 and Color blinds on October 27, 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.*