# Pipe turn vs Calcudoku

The clearest difference is rating: Calcudoku at 5.0 against Pipe turn's 4.0. Calcudoku also leads on in-app purchases (none vs 1) and ratings volume (4 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Pipe turn sells 1 one-off in-app purchase. Calcudoku asks for nothing beyond the download.

Calcudoku holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pipe turn | Calcudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/pipe-turn-network-puzzle/id6754442524/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-math-logic-puzzles/id6772270032/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 29 MB | 104 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Huy Huynh](https://appshunter.io/developer/1815003126) | [LogicSmith](https://appshunter.io/developer/6772270034) |

## What reviewers say

### Pipe turn

[App page](https://appshunter.io/ios/app/pipe-turn-network-puzzle/id6754442524)

Connect pipes by rotating them to form a complete network and power it up. This logic puzzle game offers multiple difficulty levels and can be played offline. Enjoy hours of engaging gameplay with intuitive controls.

**Highlights:** Rotate pipes to connect, Form a complete network, Multiple difficulty levels, Offline play supported, Automatic progress saving, Intuitive touch controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Calcudoku

[App page](https://appshunter.io/ios/app/calcudoku-math-logic-puzzles/id6772270032)

This logic puzzle game offers a unique approach to learning how to solve number grids. Instead of simply revealing answers, it provides intelligent, step-by-step guidance on logical strategies and note-taking to help you master the puzzles.

**Highlights:** Intelligent step-by-step explanations, Optional auto notes for cages, Intuitive note-taking interface, Variety of arithmetic operations, Grids for all skill levels, Offline-first architecture, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pipe turn free?

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

### Is Calcudoku free?

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

### Which has better reviews, Pipe turn or Calcudoku?

Calcudoku is rated higher. Pipe turn averages 4.0 out of 5 from 1 ratings, while Calcudoku averages 5.0 from 4 ratings.

### Do Pipe turn or Calcudoku have ads?

Both Pipe turn and Calcudoku show ads.

### Which is updated more often, Pipe turn or Calcudoku?

Pipe turn ships an update every 3 weeks, and Calcudoku every 3 weeks. Most recently, Pipe turn was updated on November 5, 2026 and Calcudoku 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.*