# Logic Flag vs Chess CT

The clearest difference is rating: Chess CT at 5.0 against Logic Flag's 1.0. Chess CT also leads on in-app purchases (none vs 5) and ads (none vs shown). Logic Flag's advantage is update cadence (every 9 days vs every 4 months) and iOS requirement (12.0 vs 14.5). On price, ratings volume and device support there is nothing between them.

Both are free to download. Logic Flag sells 5 one-off in-app purchases. Chess CT asks for nothing beyond the download.

Chess CT holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Logic Flag ships an update every 9 days, Chess CT every 4 months. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Logic Flag | Chess CT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/logic-flag/id1624612439/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chess-ct/id6501961446/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 210 MB | 4 MB |
| Requires iOS | **12.0** | 14.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yeonu Choo](https://appshunter.io/developer/1623036715) | [Igor Patrikeev](https://appshunter.io/developer/1717119256) |

## What reviewers say

### Logic Flag

[App page](https://appshunter.io/ios/app/logic-flag/id1624612439)

This game blends Minesweeper and Nonograms, challenging players to use logic and deduction to locate hidden flags. Progress through increasingly difficult puzzles, solve daily challenges, and train your mind with this engaging brain teaser.

**Highlights:** Minesweeper and Nonogram blend, Logic-based flag detection, Progressive difficulty levels, Daily puzzles with rewards, Memo and Hint features, Brain stimulation

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| some jewels | $0.99 | one-time |
| Early Access Pack | $3.99 | one-time |
| Pile of Jewels | $4.99 | one-time |
| Heap of Jewels | $9.99 | one-time |
| Bag of Jewels | $19.99 | one-time |


### 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 Logic Flag free?

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

### Is Chess CT free?

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

### Which has better reviews, Logic Flag or Chess CT?

Chess CT is rated higher. Logic Flag averages 1.0 out of 5 from 1 ratings, while Chess CT averages 5.0 from 1 ratings.

### Do Logic Flag or Chess CT have ads?

Logic Flag shows ads; Chess CT does not.

### Which is updated more often, Logic Flag or Chess CT?

Logic Flag ships an update every 9 days, and Chess CT every 4 months. Most recently, Logic Flag was updated on October 10, 2026 and Chess CT on October 2, 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.*