# Gridflow vs Logic Master

The clearest difference is in-app purchases: Logic Master at none against Gridflow's 1. Logic Master also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Gridflow sells 1 one-off in-app purchase. Logic Master asks for nothing beyond the download.

## The numbers

| Metric | Gridflow | Logic Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 15 MB | 30 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Hotzel](https://appshunter.io/developer/1896538940) | [Mustafa Okcu](https://appshunter.io/developer/6774956104) |

## What reviewers say

### Gridflow

[App page](https://appshunter.io/ios/app/gridflow-logic-puzzles/id6773568005)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gridflow Premium | $3.99 | one-time |


### Logic Master

[App page](https://appshunter.io/ios/app/logic-master/id6774991376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gridflow free?

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

### Is Logic Master free?

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

### Do Gridflow or Logic Master have ads?

Neither Gridflow nor Logic Master shows ads.

---

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