# GridLinx vs CodeAB

The clearest difference is ads: CodeAB at none against GridLinx's shown. CodeAB also leads on update cadence (every 6 weeks vs every 16 months). GridLinx's advantage is iOS requirement (12.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. GridLinx sells 6 one-off in-app purchases and CodeAB sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GridLinx ships an update every 16 months, CodeAB every 6 weeks. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | GridLinx | CodeAB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/codeab-logic-number-puzzle/id1616021619/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 159 MB | 3 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Player1games Inc.](https://appshunter.io/developer/1040547964) | [EssentialCapture Inc](https://appshunter.io/developer/1558967478) |

## What reviewers say

### GridLinx

[App page](https://appshunter.io/ios/app/gridlinx/id1458926332)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridlinx Skins | $0.99 | one-time |
| Buy 10 time tokens | $0.99 | one-time |
| Buy 30 tokens special price | $0.99 | one-time |
| Gridlinx - No more ads special | $0.99 | one-time |
| No More Ads | $1.99 | one-time |
| Buy 30 time tokens | $1.99 | one-time |


### CodeAB

[App page](https://appshunter.io/ios/app/codeab-logic-number-puzzle/id1616021619)

Test your logic and deduction skills in this addictive number puzzle game. Figure out the secret 4-digit code using hints after each guess. It's a fresh take on a classic puzzle, perfect for quick brain training.

**Highlights:** Deduction and logic gameplay, Secret 4-digit code challenge, Clues after every guess, No leading zeros or repeating digits, Quick brain training rounds, Classic Bulls & Cows style

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CodeAB | $2.99 | one-time |


## Frequently asked questions

### Is GridLinx free?

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

### Is CodeAB free?

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

### Do GridLinx or CodeAB have ads?

GridLinx shows ads; CodeAB does not.

### Which is updated more often, GridLinx or CodeAB?

GridLinx ships an update every 16 months, and CodeAB every 6 weeks. Most recently, GridLinx was updated on October 12, 2026 and CodeAB on October 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.*