# Rails Run vs Teeth Shield

The clearest difference is review sentiment: Rails Run at 100% against Teeth Shield's 14%. Rails Run also leads on rating (3.8 vs 1.8) and ads (none vs shown). Teeth Shield's advantage is ratings volume (286 vs 5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rails Run holds the better App Store score, 3.8 against 1.8. That said, the two scores are not equally well evidenced: Teeth Shield has 286 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 100% of Rails Run's written reviews are positive against 14% of Teeth Shield's.

Rails Run ships an update daily, Teeth Shield fortnightly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rails Run | Teeth Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (5 ratings)](https://appshunter.io/ios/app/rails-run/id1540275722/reviews)** | [1.8 (286 ratings)](https://appshunter.io/ios/app/teeth-shield/id1601158977/reviews) |
| Number of ratings | 5 | **286** |
| Positive reviews | **100.0% of reviews** | 14.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Monetization | **Free** | Ad-supported |
| Size | 160 MB | 211 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajat Ujawane](https://appshunter.io/developer/1439360598) | [Ahmet Ikbal Adlig](https://appshunter.io/developer/1589838934) |

## What reviewers say

### Rails Run

[App page](https://appshunter.io/ios/app/rails-run/id1540275722)

Guide a rod through a series of rails by dragging your finger left and right. Navigate challenging levels and avoid falling off to explore a fun and addictive world. Test your skills as the best rails runner.

**Highlights:** Drag-to-adjust rod, Navigate through rails, Avoid falling off, Addictive gameplay, Explore diverse worlds

**In-app purchases:** none


### Teeth Shield

[App page](https://appshunter.io/ios/app/teeth-shield/id1601158977)

Collect and protect teeth from harmful treats like candy and soda. Navigate obstacles, use dental tools to enhance your teeth's shine, and enjoy a fun, challenging experience. Perfect for those who enjoy dental-themed games.

**Highlights:** Collect teeth, Protect teeth from decay, Avoid monsters, candy, and soda, Use toothbrush and mouthwash, Smash unhealthy foods

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 No ads
- 👍 Entertaining game
- 🤔 Interesting concept

**What reviewers complain about**

- 🐛 Impossible to beat the game
- 🤔 Unclear purpose/ending
- 🤔 Misleading advertising
- 👎 Repetitive gameplay
- 🤔 Inappropriate content

**Reported bugs**

- Teeth cleaning mechanics not working as expected
- Inconsistent game behavior across levels

**Requested features**

- Add a way to actually complete the game
- Provide rewards/incentives for playing
- Improve level design and progression


## Frequently asked questions

### Is Rails Run free?

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

### Is Teeth Shield free?

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

### Which has better reviews, Rails Run or Teeth Shield?

Rails Run is rated higher. Rails Run averages 3.8 out of 5 from 5 ratings, while Teeth Shield averages 1.8 from 286 ratings.

### Do Rails Run or Teeth Shield have ads?

Teeth Shield shows ads; Rails Run does not.

### Which is updated more often, Rails Run or Teeth Shield?

Rails Run ships an update daily, and Teeth Shield fortnightly. Most recently, Rails Run was updated on October 11, 2026 and Teeth Shield on October 14, 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.*