# Crazy Butt Scan vs Twisty Rails

The clearest difference is rating: Twisty Rails at 4.7 against Crazy Butt Scan's 3.7. Twisty Rails also leads on review sentiment (33% vs 0%) and ratings volume (16K vs 18). Crazy Butt Scan's advantage is in-app purchases (none vs 19) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Twisty Rails sells 18 one-off in-app purchases. Crazy Butt Scan asks for nothing beyond the download.

Twisty Rails holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Twisty Rails has 16K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 0% of Crazy Butt Scan's written reviews are positive against 33% of Twisty Rails's.

## The numbers

| Metric | Crazy Butt Scan | Twisty Rails |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (18 ratings)](https://appshunter.io/ios/app/crazy-butt-scan/id1070077822/reviews) | **[4.7 (16K ratings)](https://appshunter.io/ios/app/twisty-rails/id6502401286/reviews)** |
| Number of ratings | 18 | **16K** |
| Positive reviews | 0.0% of reviews | **32.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 164 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [会勇 陈](https://appshunter.io/developer/901284290) | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) |

## What reviewers say

### Crazy Butt Scan

[App page](https://appshunter.io/ios/app/crazy-butt-scan/id1070077822)

A humorous game where players attempt to take scanned pictures of their backside on a photocopier without being detected. The goal is to have fun with this silly premise.

**Highlights:** Humorous gameplay, Stealth mechanics, Photocopier interaction, Silly premise, Quick play sessions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads for 24 hours | $1.99 | one-time |
| 10 Tickets | $1.99 | one-time |
| Money Fountain Pack | $2.99 | one-time |
| Engineer | $2.99 | one-time |
| Financier | $2.99 | one-time |
| Manager | $2.99 | one-time |
| 20 Tickets | $2.99 | one-time |
| Mega Bundle 50% | $4.49 | one-time |
| Royal Treasury Pack | $4.99 | 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 |
| NoAds + Mega Cash Pack | $6.99 | one-time |
| Treasury Trove Pack | $7.99 | one-time |
| Mega Bundle | $8.99 | one-time |
| Big Chest Treasure | $11.99 | 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


## Frequently asked questions

### Is Crazy Butt Scan free?

Crazy Butt Scan is free to download, with no in-app purchases.

### Is Twisty Rails free?

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

### Which has better reviews, Crazy Butt Scan or Twisty Rails?

Twisty Rails is rated higher. Crazy Butt Scan averages 3.7 out of 5 from 18 ratings, while Twisty Rails averages 4.7 from 16K ratings.

### Do Crazy Butt Scan or Twisty Rails have ads?

Twisty Rails shows ads; Crazy Butt Scan does not.

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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.*