# The Devil's Calculator vs square

The clearest difference is in-app purchases: square at none against The Devil's Calculator's 1. The Devil's Calculator's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. The Devil's Calculator sells 1 one-off in-app purchase. square asks for nothing beyond the download.

The Devil's Calculator holds the better App Store score, 4.8 against 4.7. Both are backed by a comparable volume of ratings — 246 and 328 respectively. Written reviews point the same way: 85% of The Devil's Calculator's written reviews are positive against 79% of square's.

The Devil's Calculator ships an update every 10 days, square every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | The Devil's Calculator | square |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (246 ratings)](https://appshunter.io/ios/app/the-devils-calculator/id1447599858/reviews)** | [4.7 (328 ratings)](https://appshunter.io/ios/app/square-the-game/id6742043172/reviews) |
| Number of ratings | 246 | **328** |
| Positive reviews | **85.4% of reviews** | 79.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 77 MB | 152 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cinq-Mars Media](https://appshunter.io/developer/924648806) | [Raul Davrishev](https://appshunter.io/developer/1731060019) |

## What reviewers say

### The Devil's Calculator

[App page](https://appshunter.io/ios/app/the-devils-calculator/id1447599858)

This math puzzle game challenges you to decipher obscure operators on a calculator. Solve algebraic puzzles by working backward to understand the functions and purge the calculator of its demons. It's an addictive and educational experience with user-created levels and DLC.

**Highlights:** Obscure operator deciphering, Algebraic puzzle solving, User-created levels, DLC levels by mathematicians, Graphing mechanics, Hand-drawn artwork

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version of Game | $2.99 | one-time |

**What reviewers like**

- 💡 Most creative idea ever
- 🧠 Genius puzzle design
- 👍 Fun and educational
- 🚀 Brilliant game concept
- 🤓 Great for math lovers

**What reviewers complain about**

- 😠 Tedious late puzzles
- 🐛 Calculator responsiveness issues
- 🐛 Wolfram graphing feature doesn't work
- 🐛 Progress saving issues
- 🐛 Calculator malfunction

**Reported bugs**

- Some late puzzles with the third operator get too tedious with too much trial and error
- The built-in calculator needs some work and button responsiveness isn’t always the best.
- The graph to wolfram alpha function doesn’t seem to work.
- There’s unfortunately an exploit I accidentally discovered that allows you to bypass any level.
- The “real” calculator malfunctions when you want to use the answer you got previously, like if I input “330 * 2”, getting 660, then pressed “+6” on the next row, instead of showing 660 + 6 = 666, it’d show 2+6 = 8

**Requested features**

- Update the app
- Fix DLC Level 6
- More levels


### square

[App page](https://appshunter.io/ios/app/square-the-game/id6742043172)

Engage your mind in a unique puzzle game where the objective is to form perfect squares. Explore increasingly complex challenges that test your logic, creativity, and problem-solving skills. Immerse yourself in vibrant visuals and a relaxing soundtrack as you boost your brainpower.

**Highlights:** Unique square-themed puzzles, Challenging gameplay mechanics, Vibrant geometric visuals, Relaxing brain-boosting soundtrack, Adaptive difficulty levels, Progressive learning experience

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and addictive gameplay
- 💡 Unique puzzle mechanics
- ✨ Simple and clean graphics
- 😌 Minimal ads (mostly)
- 🧠 Good for the brain

**What reviewers complain about**

- 📉 Too short, not enough levels
- 🤔 Confusing directions/goals
- 😩 Ads can be deceptive/coercive
- ⏳ Hints don't always work
- 🤯 Some levels are too easy

**Reported bugs**

- Level 30 has a glitch, nothing moves
- Stuck on level 30, can't move or change anything
- Bug on level 27 makes it impossible to 100%
- Ad for Royal Match doesn't stop and prevents gameplay

**Requested features**

- Add more levels
- More challenging puzzles
- Add an expansion or more content
- Provide clearer directions/tutorials
- Implement a way to replay levels with different solutions


## Frequently asked questions

### Is The Devil's Calculator free?

The Devil's Calculator is free to download, with in-app purchases available.

### Is square free?

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

### Which has better reviews, The Devil's Calculator or square?

The Devil's Calculator is rated higher. The Devil's Calculator averages 4.8 out of 5 from 246 ratings, while square averages 4.7 from 328 ratings.

### Do The Devil's Calculator or square have ads?

square shows ads; The Devil's Calculator does not.

### Which is updated more often, The Devil's Calculator or square?

The Devil's Calculator ships an update every 10 days, and square every 5 days. Most recently, The Devil's Calculator was updated on October 24, 2026 and square on October 24, 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.*