# Water Loop Puzzle vs Hiku Puzzle

The clearest difference is in-app purchases: Hiku Puzzle at none against Water Loop Puzzle's 4. Hiku Puzzle also leads on ads (none vs shown) and update cadence (every 2 days vs every 3 weeks). Water Loop Puzzle's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Water Loop Puzzle sells 4 one-off in-app purchases. Hiku Puzzle asks for nothing beyond the download.

Water Loop Puzzle ships an update every 3 weeks, Hiku Puzzle every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Water Loop Puzzle | Hiku Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 56 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Anastassiya Shugaley](https://appshunter.io/developer/1895809893) | [Espen Schulstad](https://appshunter.io/developer/1519282542) |

## What reviewers say

### Water Loop Puzzle

[App page](https://appshunter.io/ios/app/water-loop-puzzle-zen-loop/id6795905714)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Coins | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 5,500 Coins | $3.99 | one-time |
| 12,000 Coins | $7.99 | one-time |


### Hiku Puzzle

[App page](https://appshunter.io/ios/app/hiku-puzzle/id6816387508)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Water Loop Puzzle free?

Water Loop Puzzle is free to download, with in-app purchases available.

### Is Hiku Puzzle free?

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

### Do Water Loop Puzzle or Hiku Puzzle have ads?

Water Loop Puzzle shows ads; Hiku Puzzle does not.

### Which is updated more often, Water Loop Puzzle or Hiku Puzzle?

Water Loop Puzzle ships an update every 3 weeks, and Hiku Puzzle every 2 days. Most recently, Water Loop Puzzle was updated on October 31, 2026 and Hiku 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.*