# Logic Bridge vs Flat

The clearest difference is in-app purchases: Flat at none against Logic Bridge's 1. Flat also leads on iOS requirement (18.0 vs 26.0). Logic Bridge's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

Logic Bridge ships an update every 2 months, Flat every 5 weeks. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Logic Bridge | Flat |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Ad-supported |
| Size | 14 MB | 103 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [masanao matsui](https://appshunter.io/developer/1232130754) |

## What reviewers say

### Logic Bridge

[App page](https://appshunter.io/ios/app/logic-bridge/id1475479153)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Turn off advertising | $1.99 | one-time |


### Flat

[App page](https://appshunter.io/ios/app/flat-daily-3d-brain-puzzle/id1609852968)

A minimalist 3D puzzle game where players move cubes into black holes to flatten the board. It offers 50 stages with increasing complexity and intuitive swipe controls for an immersive experience.

**Highlights:** 3D puzzle gameplay, Minimalist design, 50 challenging stages, Intuitive swipe controls, Progressive mechanics

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

**In-app purchases:** none


## Frequently asked questions

### Is Logic Bridge free?

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

### Is Flat free?

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

### Do Logic Bridge or Flat have ads?

Flat shows ads; Logic Bridge does not.

### Which is updated more often, Logic Bridge or Flat?

Logic Bridge ships an update every 2 months, and Flat every 5 weeks. Most recently, Logic Bridge was updated on October 7, 2026 and Flat on October 12, 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.*