# Futoshiki puzzle vs Calcudoku

The clearest difference is rating: Calcudoku at 5.0 against Futoshiki puzzle's 3.0. Calcudoku also leads on in-app purchases (none vs 4). Futoshiki puzzle's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price, ratings volume and device support there is nothing between them.

Both are free to download. Futoshiki puzzle sells 4 one-off in-app purchases. Calcudoku asks for nothing beyond the download.

Calcudoku holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Futoshiki puzzle ships an update weekly, Calcudoku every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Futoshiki puzzle | Calcudoku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/futoshiki-puzzle/id1049837643/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-math-logic-puzzles/id6772270032/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 87 MB | 104 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomas Rychnovsky](https://appshunter.io/developer/892348422) | [LogicSmith](https://appshunter.io/developer/6772270034) |

## What reviewers say

### Futoshiki puzzle

[App page](https://appshunter.io/ios/app/futoshiki-puzzle/id1049837643)

This logic puzzle game challenges players to fill a 5x5 grid with numbers 1-5, ensuring no repeats in rows or columns. Relational signs between cells add an extra layer of complexity to solve each unique puzzle.

**Highlights:** 5x5 grid puzzles, Number placement logic, Relational sign constraints, Three difficulty levels, Unique solution guaranteed, Pre-filled cells

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Credits | $0.99 | one-time |
| 100 Credits | $1.99 | one-time |
| All themes | $1.99 | one-time |
| Unlimited credits | $2.99 | 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 Futoshiki puzzle free?

Futoshiki puzzle 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, Futoshiki puzzle or Calcudoku?

Calcudoku is rated higher. Futoshiki puzzle averages 3.0 out of 5 from 2 ratings, while Calcudoku averages 5.0 from 4 ratings.

### Do Futoshiki puzzle or Calcudoku have ads?

Calcudoku shows ads; Futoshiki puzzle does not.

### Which is updated more often, Futoshiki puzzle or Calcudoku?

Futoshiki puzzle ships an update weekly, and Calcudoku every 3 weeks. Most recently, Futoshiki puzzle was updated on November 2, 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.*