# Loop 16 Puzzle vs Watch Pixel Puzzle

The clearest difference is in-app purchases: Loop 16 Puzzle at none against Watch Pixel Puzzle's 1. Loop 16 Puzzle also leads on update cadence (every 10 days vs every 5 weeks). Watch Pixel Puzzle's advantage is iOS requirement (13.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Watch Pixel Puzzle sells 1 one-off in-app purchase. Loop 16 Puzzle asks for nothing beyond the download.

Loop 16 Puzzle ships an update every 10 days, Watch Pixel Puzzle every 5 weeks. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Loop 16 Puzzle | Watch Pixel Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Size | 1 MB | 8 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kiyoshi Izumi](https://appshunter.io/developer/1807085294) | [Alper Vural](https://appshunter.io/developer/1728214585) |

## What reviewers say

### Loop 16 Puzzle

[App page](https://appshunter.io/ios/app/loop-16-puzzle/id6759582501)

**Features:** Apple Watch app

**In-app purchases:** none


### Watch Pixel Puzzle

[App page](https://appshunter.io/ios/app/watch-pixel-puzzle/id6761178796)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Loop 16 Puzzle free?

Loop 16 Puzzle is free to download, with no in-app purchases.

### Is Watch Pixel Puzzle free?

Watch Pixel Puzzle is free to download, with in-app purchases available.

### Do Loop 16 Puzzle or Watch Pixel Puzzle have ads?

Neither Loop 16 Puzzle nor Watch Pixel Puzzle shows ads.

### Which is updated more often, Loop 16 Puzzle or Watch Pixel Puzzle?

Loop 16 Puzzle ships an update every 10 days, and Watch Pixel Puzzle every 5 weeks. Most recently, Loop 16 Puzzle was updated on October 17, 2026 and Watch Pixel Puzzle 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.*