# Zip Puzzle vs HydroValve

The clearest difference is in-app purchases: Zip Puzzle at none against HydroValve's 1. HydroValve's advantage is update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HydroValve sells 1 one-off in-app purchase. Zip Puzzle asks for nothing beyond the download.

Zip Puzzle ships an update every 2 weeks, HydroValve daily. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Zip Puzzle | HydroValve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/zip-puzzle/id6784977590/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 41 MB | 63 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paras Borad](https://appshunter.io/developer/1617526555) | [AbsoluteNoobStudio](https://appshunter.io/developer/1896690388) |

## What reviewers say

### Zip Puzzle

[App page](https://appshunter.io/ios/app/zip-puzzle/id6784977590)

Connect numbers in sequential order with a single, unbroken line to fill every square on the board. This logic puzzle offers a calm and rewarding experience with progressively challenging levels and no time pressure.

**Highlights:** Connect numbers in order, Fill every square, One unbroken line, Daily puzzles, No timer, Offline play, Hints and undo

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

**In-app purchases:** none


### HydroValve

[App page](https://appshunter.io/ios/app/hydrovalve/id6808785143)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Zip Puzzle free?

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

### Is HydroValve free?

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

### Do Zip Puzzle or HydroValve have ads?

Both Zip Puzzle and HydroValve show ads.

### Which is updated more often, Zip Puzzle or HydroValve?

Zip Puzzle ships an update every 2 weeks, and HydroValve daily. Most recently, Zip Puzzle was updated on October 25, 2026 and HydroValve on October 9, 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.*