# Occlusion Atlas 3 vs Tooth Sleuth

The clearest difference is update cadence: Tooth Sleuth at every 3 weeks against Occlusion Atlas 3's every 6 months. Tooth Sleuth also leads on ratings volume (24 vs 1). Occlusion Atlas 3's advantage is iOS requirement (8.2 vs 18.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Occlusion Atlas 3 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.

On the App Store both sit at effectively the same score — 5.0 for Occlusion Atlas 3 against 4.9 for Tooth Sleuth. That said, the two scores are not equally well evidenced: Tooth Sleuth has 24 ratings behind it against 1, so its average is the more settled of the two.

Occlusion Atlas 3 ships an update every 6 months, Tooth Sleuth every 3 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Occlusion Atlas 3 | Tooth Sleuth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/occlusion-atlas-3/id1203080846/reviews)** | [4.9 (24 ratings)](https://appshunter.io/ios/app/tooth-sleuth/id6748571321/reviews) |
| Number of ratings | 1 | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 2.6 GB | 13 MB |
| Requires iOS | **8.2** | 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

### Occlusion Atlas 3

[App page](https://appshunter.io/ios/app/occlusion-atlas-3/id1203080846)

Explore detailed 3D models and animations of the temporomandibular joint, its movements, and occlusal relationships. This educational resource includes interactive anatomy, dissection images, and self-assessment modules for students and practitioners.

**Highlights:** Interactive 3D TMJ models, Mandibular movement animations, Detailed anatomy displays, Dissection images with annotations, Review and self-assessment modules, Extensive video and image galleries

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase | $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 Occlusion Atlas 3 free?

Occlusion Atlas 3 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, Occlusion Atlas 3 or Tooth Sleuth?

Occlusion Atlas 3 is rated higher. Occlusion Atlas 3 averages 5.0 out of 5 from 1 ratings, while Tooth Sleuth averages 4.9 from 24 ratings.

### Do Occlusion Atlas 3 or Tooth Sleuth have ads?

Neither Occlusion Atlas 3 nor Tooth Sleuth shows ads.

### Which is updated more often, Occlusion Atlas 3 or Tooth Sleuth?

Occlusion Atlas 3 ships an update every 6 months, and Tooth Sleuth every 3 weeks. Most recently, Occlusion Atlas 3 was updated on October 15, 2026 and Tooth Sleuth on October 24, 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.*