# Bibinary vs Chess CT

The clearest difference is update cadence: Chess CT at every 4 months against Bibinary's every 9 months. Bibinary's advantage is iOS requirement (12.0 vs 14.5). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Bibinary against 5.0 for Chess CT. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Bibinary ships an update every 9 months, Chess CT every 4 months. The most recent releases landed on November 11, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Bibinary | Chess CT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bibinary/id1460054325/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/chess-ct/id6501961446/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 8 MB | 4 MB |
| Requires iOS | **12.0** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marie Berlioz](https://appshunter.io/developer/1429810527) | [Igor Patrikeev](https://appshunter.io/developer/1717119256) |

## What reviewers say

### Bibinary

[App page](https://appshunter.io/ios/app/bibinary/id1460054325)

A puzzle game where players must decipher binary codes for numbers across various levels. Choose between timed challenges to find as many codes as possible or an infinite mode to progress as far as you can.

**Highlights:** Binary code puzzles, Multiple difficulty levels (A1 to F6), Timed mode, Infinite progression mode, Track highest reached level

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess CT

[App page](https://appshunter.io/ios/app/chess-ct/id6501961446)

This logic puzzle game challenges players to rotate a cube and match numbers on all sides. It offers multiple levels and versions for different age groups, including a free 5x5 version and a version for young children learning numbers.

**Highlights:** Multi-level rotational puzzle, Match numbers at all angles, Cube rotation gameplay, Versions for different age groups, Introduces numbers in multiple languages

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bibinary free?

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

### Is Chess CT free?

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

### Which has better reviews, Bibinary or Chess CT?

Bibinary and Chess CT are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Bibinary or Chess CT have ads?

Neither Bibinary nor Chess CT shows ads.

### Which is updated more often, Bibinary or Chess CT?

Bibinary ships an update every 9 months, and Chess CT every 4 months. Most recently, Bibinary was updated on November 11, 2026 and Chess CT on November 4, 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.*