# Calcudoku vs Final Fortress

The clearest difference is rating: Calcudoku at 5.0 against Final Fortress's 4.0. Calcudoku also leads on in-app purchases (none vs 4) and ratings volume (4 vs 1). Final Fortress's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price and device support there is nothing between them.

Both are free to download. Final Fortress sells 4 one-off in-app purchases. 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 — 4 and 1 respectively.

Calcudoku ships an update every 3 weeks, Final Fortress weekly. The most recent releases landed on November 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calcudoku | Final Fortress |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calcudoku-math-logic-puzzles/id6772270032/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/final-fortress/id6802020790/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 104 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [LogicSmith](https://appshunter.io/developer/6772270034) | [Dmitrii Dark](https://appshunter.io/developer/1870629778) |

## 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


### Final Fortress

[App page](https://appshunter.io/ios/app/final-fortress/id6802020790)

Engage in a unique match-3 puzzle experience set within an old terminal interface. Complete daily tasks by matching tiles to gather supplies, repair your last fortress, and uncover a compelling story. Enjoy a quiet, atmospheric game with dynamic sound and AI-driven challenges.

**Highlights:** Match-3 puzzle gameplay, Fortress management and repair, Story-driven log entries, AI-driven challenge mode, Dynamic, synthesized soundtrack, View-only player station board

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amber Phosphor | $0.99 | one-time |
| Emerald Phosphor | $0.99 | one-time |
| The Long Dark | $0.99 | one-time |
| Memory Chip | $2.99 | one-time |


## Frequently asked questions

### Is Calcudoku free?

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

### Is Final Fortress free?

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

### Which has better reviews, Calcudoku or Final Fortress?

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

### Do Calcudoku or Final Fortress have ads?

Calcudoku shows ads; Final Fortress does not.

### Which is updated more often, Calcudoku or Final Fortress?

Calcudoku ships an update every 3 weeks, and Final Fortress weekly. Most recently, Calcudoku was updated on November 5, 2026 and Final Fortress 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.*