# Calcudoku vs LineaLogic

The clearest difference is in-app purchases: Calcudoku at none against LineaLogic's 1. Calcudoku also leads on iOS requirement (15.0 vs 17.0). LineaLogic's advantage is ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price and device support there is nothing between them.

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

Calcudoku ships an update every 3 weeks, LineaLogic every 8 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calcudoku | LineaLogic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-math-logic-puzzles/id6772270032/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 104 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [LogicSmith](https://appshunter.io/developer/6772270034) | [michael dardol](https://appshunter.io/developer/478875188) |

## What reviewers say

### 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


### LineaLogic

[App page](https://appshunter.io/ios/app/linealogic-logic-puzzle/id6786031407)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlocks all main levels | $4.99 | one-time |


## Frequently asked questions

### Is Calcudoku free?

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

### Is LineaLogic free?

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

### Do Calcudoku or LineaLogic have ads?

Calcudoku shows ads; LineaLogic does not.

### Which is updated more often, Calcudoku or LineaLogic?

Calcudoku ships an update every 3 weeks, and LineaLogic every 8 days. Most recently, Calcudoku was updated on October 25, 2026 and LineaLogic on October 25, 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.*