# Overpaint vs The Devil's Calculator

The clearest difference is rating: The Devil's Calculator at 4.8 against Overpaint's 3.8. The Devil's Calculator also leads on review sentiment (85% vs 62%) and update cadence (every 10 days vs every 5 weeks). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Overpaint sells 5 one-off in-app purchases and The Devil's Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

The Devil's Calculator holds the better App Store score, 4.8 against 3.8. Both are backed by a comparable volume of ratings — 133 and 247 respectively. Written reviews point the same way: 62% of Overpaint's written reviews are positive against 85% of The Devil's Calculator's.

Overpaint ships an update every 5 weeks, The Devil's Calculator every 10 days. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Overpaint | The Devil's Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (133 ratings)](https://appshunter.io/ios/app/overpaint/id888697127/reviews) | **[4.8 (247 ratings)](https://appshunter.io/ios/app/the-devils-calculator/id1447599858/reviews)** |
| Number of ratings | 133 | **247** |
| Positive reviews | 61.9% of reviews | **85.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 16 MB | 77 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Landka](https://appshunter.io/developer/450345696) | [Cinq-Mars Media](https://appshunter.io/developer/924648806) |

## What reviewers say

### Overpaint

[App page](https://appshunter.io/ios/app/overpaint/id888697127)

This game challenges you to match colored squares with circles by dragging and dropping. Create new colors by overlapping squares. It offers a relaxing yet engaging puzzle experience with unique levels and interesting color facts.

**Highlights:** Drag-and-drop color matching, Color mixing by overlapping squares, 225 unique moving puzzles, 100 color facts, Simple and clean design, Challenging gameplay

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Refill lives | $0.99 | one-time |
| Unlock gate | $0.99 | one-time |
| +3 moves | $0.99 | one-time |
| Remove ads | $0.99 | one-time |
| Lives forever | $2.99 | one-time |

**What reviewers like**

- 🎨 Beautiful color-mixing puzzle concept
- 🎵 Relaxing and enjoyable music
- 😌 No ads or minimal monetization
- 🧩 Engaging puzzle gameplay
- 🎯 Simple yet challenging mechanics

**What reviewers complain about**

- 🐛 Frequent app crashes on startup
- 🐛 Game crashes after closing mid-level
- 🐛 Crashes when running out of lives
- ☝️ Notification center interference on top screen
- ⏸️ Game progress not saved to Game Center

**Reported bugs**

- App crashes immediately after pressing play button
- App crashes when closing mid-level and reopening
- App crashes after running out of hearts/lives
- Level 45 yellow bar doesn't reach far enough
- Level 66 yellow cannot cover bottom circle

**Requested features**

- More levels beyond current maximum
- Undo move functionality
- Ability to earn lives through gameplay
- Larger interaction area away from notification shade
- Seamless level transitions


### 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


## Frequently asked questions

### Is Overpaint free?

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

### Is The Devil's Calculator free?

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

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

The Devil's Calculator is rated higher. Overpaint averages 3.8 out of 5 from 133 ratings, while The Devil's Calculator averages 4.8 from 247 ratings.

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

Neither Overpaint nor The Devil's Calculator shows ads.

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

Overpaint ships an update every 5 weeks, and The Devil's Calculator every 10 days. Most recently, Overpaint was updated on November 1, 2026 and The Devil's Calculator on November 11, 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.*