# LogicGrid vs Causality Puzzle

The clearest difference is in-app purchases: Causality Puzzle at none against LogicGrid's 1. Causality Puzzle also leads on iOS requirement (15.0 vs 17.0). LogicGrid's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. LogicGrid sells 1 one-off in-app purchase. Causality Puzzle asks for nothing beyond the download.

LogicGrid ships an update monthly, Causality Puzzle every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LogicGrid | Causality Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Size | 8 MB | 76 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAMSoft Inc](https://appshunter.io/developer/1834230814) | [Gurgen Arustamyan](https://appshunter.io/developer/1884835827) |

## What reviewers say

### LogicGrid

[App page](https://appshunter.io/ios/app/logicgrid-daily-logic-puzzles/id6753323322)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LogicGrid Plus Unlock | $4.99 | one-time |


### Causality Puzzle

[App page](https://appshunter.io/ios/app/causality-puzzle/id6760533588)

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

**In-app purchases:** none


## Frequently asked questions

### Is LogicGrid free?

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

### Is Causality Puzzle free?

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

### Do LogicGrid or Causality Puzzle have ads?

Causality Puzzle shows ads; LogicGrid does not.

### Which is updated more often, LogicGrid or Causality Puzzle?

LogicGrid ships an update monthly, and Causality Puzzle every 2 months. Most recently, LogicGrid was updated on November 5, 2026 and Causality Puzzle on October 31, 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.*