# Germs! vs Twisty Rails

The clearest difference is rating: Twisty Rails at 4.7 against Germs!'s 1.0. Twisty Rails also leads on review sentiment (33% vs 0%) and update cadence (every 10 days vs every 34 months). Germs!'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. Germs! asks for nothing beyond the download.

Twisty Rails holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Twisty Rails has 16K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of Germs!'s written reviews are positive against 33% of Twisty Rails's.

Germs! ships an update every 34 months, Twisty Rails every 10 days. The most recent releases landed on October 21, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Germs! | Twisty Rails |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (4 ratings)](https://appshunter.io/ios/app/germs/id1060548621/reviews) | **[4.7 (16K ratings)](https://appshunter.io/ios/app/twisty-rails/id6502401286/reviews)** |
| Number of ratings | 4 | **16K** |
| Positive reviews | 0.0% of reviews | **32.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 33 MB | 164 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emrah Kavak](https://appshunter.io/developer/551857478) | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) |

## What reviewers say

### Germs!

[App page](https://appshunter.io/ios/app/germs/id1060548621)

Navigate a microscopic world, collecting gunk while evading nasty bacteria and viruses. Compete for high scores on the Game Center leaderboard and challenge friends. This fast-paced, addictive game offers intuitive twitch-like gameplay for all ages.

**Highlights:** Collect gunk, Avoid germs and viruses, Compete on Game Center leaderboard, Unlock new enemies, Intuitive twitch-like gameplay, Battle friends online

**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 Germs! free?

Germs! 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, Germs! or Twisty Rails?

Twisty Rails is rated higher. Germs! averages 1.0 out of 5 from 4 ratings, while Twisty Rails averages 4.7 from 16K ratings.

### Do Germs! or Twisty Rails have ads?

Twisty Rails shows ads; Germs! does not.

### Which is updated more often, Germs! or Twisty Rails?

Germs! ships an update every 34 months, and Twisty Rails every 10 days. Most recently, Germs! was updated on October 21, 2026 and Twisty Rails on November 1, 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.*