# Twisty Rails vs Math Machine

The clearest difference is in-app purchases: Math Machine at none against Twisty Rails's 10. Math Machine also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Twisty Rails sells 10 one-off in-app purchases. Math Machine asks for nothing beyond the download.

## The numbers

| Metric | Twisty Rails | Math Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (16K ratings)](https://appshunter.io/ios/app/twisty-rails/id6502401286/reviews)** | — |
| Number of ratings | **16K** | — |
| Positive reviews | 32.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 164 MB | 97 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) | [Novende LTD](https://appshunter.io/developer/968085428) |

## What reviewers say

### Twisty Rails

[App page](https://appshunter.io/ios/app/twisty-rails/id6502401286)

Build and expand a marble run track to earn in-game currency. Merge colored balls to create new colors and increase your earnings. Rotate your view to admire your creation from different angles.

**Highlights:** Build marble run tracks, Earn in-game money, Expand toy by extending path, Merge colored balls, Create new colors, Rotate screen for different views

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engineer | $2.99 | one-time |
| Financier | $2.99 | one-time |
| 20 Tickets | $2.99 | one-time |
| Mega Bundle 50% | $4.49 | one-time |
| No Ads | $4.99 | one-time |
| 50 Tickets | $4.99 | one-time |
| 30 Tickets & No Ads | $5.99 | one-time |
| Bundle Pack | $5.99 | one-time |
| Mega Bundle | $8.99 | one-time |
| Ultra Bundle | $12.99 | one-time |

**What reviewers like**

- 👍 Satisfying gameplay
- 💡 Unique marble track concept
- 🚀 Rewarding ad-watching

**What reviewers complain about**

- 🔥 Excessive ads
- 🐛 Progress reset issues
- 🔨 Buggy UI and functionality

**Reported bugs**

- Disappearing balls and buttons
- Constant game resets
- Paid ad-free option not working

**Requested features**

- Ability to build custom tracks
- More levels and content
- Improved ad-free experience


### Math Machine

[App page](https://appshunter.io/ios/app/math-machine-quick-brain/id6756577054)

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

**In-app purchases:** none


## Frequently asked questions

### Is Twisty Rails free?

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

### Is Math Machine free?

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

### Do Twisty Rails or Math Machine have ads?

Twisty Rails shows ads; Math Machine does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*