# Tooth Atlas 9 vs Tooth Sleuth

The clearest difference is rating: Tooth Sleuth at 4.9 against Tooth Atlas 9's 4.2. Tooth Sleuth also leads on monetization model (free vs free with in-app purchases) and review sentiment (100% vs 76%). Tooth Atlas 9's advantage is iOS requirement (9.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Tooth Atlas 9 sells 1 one-off in-app purchase and Tooth Sleuth sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tooth Sleuth holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 18 and 20 respectively. Written reviews point the same way: 76% of Tooth Atlas 9's written reviews are positive against 100% of Tooth Sleuth's.

Tooth Atlas 9 ships an update monthly, Tooth Sleuth every 3 weeks. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Tooth Atlas 9 | Tooth Sleuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (18 ratings)](https://appshunter.io/ios/app/tooth-atlas-9/id1357382397/reviews) | **[4.9 (20 ratings)](https://appshunter.io/ios/app/tooth-sleuth/id6748571321/reviews)** |
| Number of ratings | 18 | **20** |
| Positive reviews | 76.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3.0 GB | 14 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [eHuman Inc.](https://appshunter.io/developer/329552064) | [Andrew Margarit](https://appshunter.io/developer/1826362583) |

## What reviewers say

### Tooth Atlas 9

[App page](https://appshunter.io/ios/app/tooth-atlas-9/id1357382397)

Explore interactive dental anatomy with over 500 models and in-depth quizzes. This educational tool features a new VR/AR mode and real-time annotations for a comprehensive learning experience.

**Highlights:** Interactive dental anatomy course, Over 500 tooth morphology models, In-depth quizzes, Virtual Reality/Augmented Reality mode, Real-time custom model annotations, Laboratory waxing video section

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tooth Atlas 9 | $349.99 | one-time |


### Tooth Sleuth

[App page](https://appshunter.io/ios/app/tooth-sleuth/id6748571321)

Master dental identification with this interactive game designed by dental educators. Practice tooth numbering systems and anatomical names through engaging gameplay modes. Ideal for dental students preparing for exams and clinical practice.

**Highlights:** Interactive tooth identification, Clinician Mode (12:00 rotation), Multiple game modes (Timed, Survival, Practice), Adult and primary dentition, Universal, Palmer, FDI numbering systems, Leaderboard for schools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Features | $3.99 | one-time |


## Frequently asked questions

### Is Tooth Atlas 9 free?

Tooth Atlas 9 is free to download, with in-app purchases available.

### Is Tooth Sleuth free?

Tooth Sleuth is free to download, with in-app purchases available.

### Which has better reviews, Tooth Atlas 9 or Tooth Sleuth?

Tooth Sleuth is rated higher. Tooth Atlas 9 averages 4.2 out of 5 from 18 ratings, while Tooth Sleuth averages 4.9 from 20 ratings.

### Do Tooth Atlas 9 or Tooth Sleuth have ads?

Neither Tooth Atlas 9 nor Tooth Sleuth shows ads.

### Which is updated more often, Tooth Atlas 9 or Tooth Sleuth?

Tooth Atlas 9 ships an update monthly, and Tooth Sleuth every 3 weeks. Most recently, Tooth Atlas 9 was updated on October 3, 2026 and Tooth Sleuth on October 17, 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.*