# Decoder vs Colors Seek

The clearest difference is iOS requirement: Decoder at 7.0 against Colors Seek's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Decoder ships an update every 7 months, Colors Seek every 6 months. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Decoder | Colors Seek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (5 ratings)](https://appshunter.io/ios/app/decoder/id294816947/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Edwin Hou](https://appshunter.io/developer/292240393) | [Cogniaxiom S.L.](https://appshunter.io/developer/1508012002) |

## What reviewers say

### Decoder

[App page](https://appshunter.io/ios/app/decoder/id294816947)

This app assists players in solving the Mastermind logic game. It helps narrow down possible solutions by analyzing your guesses and their scores. Continue inputting your game progress until only one solution remains.

**Highlights:** Mastermind game solver, Input guesses and scores, Reduces possible solutions, Guides to single solution

**Features:** macOS Compatibility

**In-app purchases:** none


### Colors Seek

[App page](https://appshunter.io/ios/app/colors-seek/id1508012003)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decoder free?

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

### Is Colors Seek free?

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

### Do Decoder or Colors Seek have ads?

Neither Decoder nor Colors Seek shows ads.

### Which is updated more often, Decoder or Colors Seek?

Decoder ships an update every 7 months, and Colors Seek every 6 months. Most recently, Decoder was updated on September 16, 2026 and Colors Seek on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*