# azami vs 3D Skeleton

The clearest difference is in-app purchases: azami at none against 3D Skeleton's 4. azami also leads on ads (none vs shown) and update cadence (every 5 days vs monthly). 3D Skeleton's advantage is iOS requirement (16.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. 3D Skeleton sells 4 in-app purchases, starting at $2.99 per 7 days. azami asks for nothing beyond the download.

azami ships an update every 5 days, 3D Skeleton monthly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | azami | 3D Skeleton |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 94 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [waraku kobayashi](https://appshunter.io/developer/1892218372) | [YU KORIKI](https://appshunter.io/developer/6776222963) |

## What reviewers say

### azami

[App page](https://appshunter.io/ios/app/azami/id6761960658)

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

**In-app purchases:** none


### 3D Skeleton

[App page](https://appshunter.io/ios/app/3d-skeleton-bone-anatomy-quiz/id6806693866)

Master human skeletal anatomy with interactive 3D models and quizzes. Explore bone details, practice for exams with clinical questions, and track your learning progress. Offers both free and premium study modes.

**Highlights:** Interactive 3D bone models, Bone name and name quizzes, 3D skeleton puzzle, Clinical exam-style questions, Progress tracking and study streaks, Bone explanations and landmarks

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $5.99 | per month |
| Annual | $29.99 | per year |
| 骨格暗記プレミアム | $49.99 | one-time |


## Frequently asked questions

### Is azami free?

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

### Is 3D Skeleton free?

3D Skeleton is free to download, with in-app purchases available.

### Do azami or 3D Skeleton have ads?

3D Skeleton shows ads; azami does not.

### Which is updated more often, azami or 3D Skeleton?

azami ships an update every 5 days, and 3D Skeleton monthly. Most recently, azami was updated on November 9, 2026 and 3D Skeleton on November 10, 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.*