# Logic Bridge vs Puzzles [15]

The clearest difference is in-app purchases: Puzzles [15] at none against Logic Bridge's 1. Puzzles [15] also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (12.0 vs 26.0). Logic Bridge's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Logic Bridge sells 1 one-off in-app purchase. Puzzles [15] asks for nothing beyond the download.

Logic Bridge ships an update every 2 months, Puzzles [15] every 2 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Logic Bridge | Puzzles [15] |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 14 MB | 16 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Andriy Stuzhuk](https://appshunter.io/developer/1489505788) |

## 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 |


### Puzzles [15]

[App page](https://appshunter.io/ios/app/puzzles-15/id1615614815)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Logic Bridge free?

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

### Is Puzzles [15] free?

Puzzles [15] is free to download, with no in-app purchases.

### Do Logic Bridge or Puzzles [15] have ads?

Puzzles [15] shows ads; Logic Bridge does not.

### Which is updated more often, Logic Bridge or Puzzles [15]?

Logic Bridge ships an update every 2 months, and Puzzles [15] every 2 days. Most recently, Logic Bridge was updated on October 7, 2026 and Puzzles [15] on October 14, 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.*