# Stack Block vs Teeth Shield

The clearest difference is update cadence: Stack Block at every 3 days against Teeth Shield's fortnightly. Stack Block also leads on iOS requirement (10.0 vs 12.0). On price, ads, 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.

Stack Block ships an update every 3 days, Teeth Shield fortnightly. The most recent releases landed on September 15, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | Stack Block | Teeth Shield |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.8 (286 ratings)](https://appshunter.io/ios/app/teeth-shield/id1601158977/reviews)** |
| Number of ratings | — | **286** |
| Positive reviews | — | 14.4% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Ad-supported |
| Size | 73 MB | 211 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taptekinc](https://appshunter.io/developer/1577354312) | [Ahmet Ikbal Adlig](https://appshunter.io/developer/1589838934) |

## What reviewers say

### Stack Block

[App page](https://appshunter.io/ios/app/stack-block-stack-race/id1581560549)

**Features:** macOS Compatibility

**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 Stack Block free?

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

### Is Teeth Shield free?

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

### Do Stack Block or Teeth Shield have ads?

Both Stack Block and Teeth Shield show ads.

### Which is updated more often, Stack Block or Teeth Shield?

Stack Block ships an update every 3 days, and Teeth Shield fortnightly. Most recently, Stack Block was updated on September 15, 2026 and Teeth Shield on August 30, 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.*