# THU vs Smarty Tooth

The clearest difference is update cadence: THU at every 3 weeks against Smarty Tooth's every 6 months. 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.

THU ships an update every 3 weeks, Smarty Tooth every 6 months. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | THU | Smarty Tooth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/smarty-tooth/id6482852976/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | — | Free |
| Size | 6 MB | 25 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Manfred Sablotny](https://appshunter.io/developer/1704998794) | [Smarty Tooth LLC](https://appshunter.io/developer/1739907794) |

## What reviewers say

### THU

[App page](https://appshunter.io/ios/app/thu-deutsch/id6473107181)

**In-app purchases:** none


### Smarty Tooth

[App page](https://appshunter.io/ios/app/smarty-tooth/id6482852976)

This app is a dental education tool that helps patients understand oral health and dental treatments. It provides a simple reference guide with text and photos to facilitate informed conversations between doctors and patients.

**Highlights:** Learn about dental treatments, Understand oral health, Easy-to-use reference guide, Text and photo explanations, Enhance doctor-patient conversations, Covers various treatment topics

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

**In-app purchases:** none


## Frequently asked questions

### Is THU free?

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

### Is Smarty Tooth free?

Smarty Tooth is free to download, with no in-app purchases.

### Do THU or Smarty Tooth have ads?

Neither THU nor Smarty Tooth shows ads.

### Which is updated more often, THU or Smarty Tooth?

THU ships an update every 3 weeks, and Smarty Tooth every 6 months. Most recently, THU was updated on September 17, 2026 and Smarty Tooth on September 20, 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.*