# ston vs Math Door

The clearest difference is in-app purchases: ston at none against Math Door's 1. ston also leads on ratings volume (128 vs 9). Math Door's advantage is update cadence (every 3 days vs every 3 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. Math Door sells 1 one-off in-app purchase. ston asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for ston against 4.3 for Math Door. That said, the two scores are not equally well evidenced: ston has 128 ratings behind it against 9, so its average is the more settled of the two.

ston ships an update every 3 weeks, Math Door every 3 days. The most recent releases landed on September 28, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ston | Math Door |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (128 ratings)](https://appshunter.io/ios/app/ston/id1238293204/reviews) | [4.3 (9 ratings)](https://appshunter.io/ios/app/math-door-fun-math-game/id1533408875/reviews) |
| Number of ratings | **128** | 9 |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 72 MB | 46 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flat Games](https://appshunter.io/developer/1645533424) | [Doze Chatwaranon](https://appshunter.io/developer/1435041683) |

## What reviewers say

### ston

[App page](https://appshunter.io/ios/app/ston/id1238293204)

This is a minimalist puzzle game with a unique design. It challenges your brain with mind-blowing levels and no time or move limits, allowing for a relaxing experience.

**Highlights:** Mind-blowing levels, Brain challenge, Minimalistic design, Relaxing music and sounds, No time or move limits

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and enjoyable gameplay
- 💡 Interesting concept
- 👍 Nice design
- 👍 Good for learning
- 👍 Good customer care

**What reviewers complain about**

- ❌ Excessive advertisements
- ❌ Ads interrupt gameplay
- ❌ Ads are too long
- ❌ Ads don't have a close button
- ❌ Game crashes frequently

**Reported bugs**

- Ads don't have a close button
- Game crashes on startup
- Game doesn't open
- Slow movement
- Level 74 freezes

**Requested features**

- Add a timer for ads
- Put ads on a cooldown
- Add hints for difficult levels
- Add a level editor
- Add an online mode


### Math Door

[App page](https://appshunter.io/ios/app/math-door-fun-math-game/id1533408875)

Engage in a fun math adventure to help a lost friend by solving addition, subtraction, multiplication, and division problems. Navigate through various levels and missions, unlocking doors with your math skills to complete challenges and improve your arithmetic abilities.

**Highlights:** Math missions and levels, Addition, subtraction, multiplication, division, Unlock doors with math skills, Improve math skills, Ranking system, Free to play

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | one-time |


## Frequently asked questions

### Is ston free?

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

### Is Math Door free?

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

### Which has better reviews, ston or Math Door?

ston and Math Door are both rated 4.3 out of 5 on the App Store, from 128 and 9 ratings respectively.

### Do ston or Math Door have ads?

Neither ston nor Math Door shows ads.

### Which is updated more often, ston or Math Door?

ston ships an update every 3 weeks, and Math Door every 3 days. Most recently, ston was updated on September 28, 2026 and Math Door on September 13, 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.*