# Water Loop Puzzle vs One

The clearest difference is in-app purchases: One at none against Water Loop Puzzle's 4. On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Water Loop Puzzle | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 56 MB | 81 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anastassiya Shugaley](https://appshunter.io/developer/1895809893) | [Steven Wemyss](https://appshunter.io/developer/6796680080) |

## 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 |


### One

[App page](https://appshunter.io/ios/app/one-line-factory/id6796680078)

**Features:** macOS Compatibility

**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 One free?

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

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

Both Water Loop Puzzle and One show ads.

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

Water Loop Puzzle ships an update every 3 weeks, and One every 3 weeks. Most recently, Water Loop Puzzle was updated on October 31, 2026 and One on October 29, 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.*