# Inner Ear ID vs U.S. Army STARS Elements

The clearest difference is review sentiment: U.S. Army STARS Elements at 100% against Inner Ear ID's 0%. U.S. Army STARS Elements also leads on price (Free vs $4.99) and rating (4.7 vs 1.0). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

U.S. Army STARS Elements is free to download; Inner Ear ID costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

U.S. Army STARS Elements holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: U.S. Army STARS Elements has 18 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Inner Ear ID's written reviews are positive against 100% of U.S. Army STARS Elements's.

Inner Ear ID ships an update every 40 months, U.S. Army STARS Elements every 8 months. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Inner Ear ID | U.S. Army STARS Elements |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/inner-ear-id/id674287583/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/us-army-stars-elements/id1103901837/reviews)** |
| Number of ratings | 1 | **18** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 8 months** |
| Monetization | Paid | **Free** |
| Size | 25 MB | 213 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Blue Tree Publishing, Inc.](https://appshunter.io/developer/496143325) | [Army Game Studio](https://appshunter.io/developer/540858534) |

## What reviewers say

### Inner Ear ID

[App page](https://appshunter.io/ios/app/inner-ear-id/id674287583)

Explore detailed 3D models and animations of the human ear's inner structures. Interactive features allow for identification, exploration, and annotation of anatomical parts. Ideal for students, patients, and educators seeking a visual learning tool.

**Highlights:** Interactive 3D ear anatomy models, Detailed animations of ear structures, Structure identification with descriptions, Two-finger zoom and pan functionality, Drawing whiteboard with text and eraser, Screenshot capture for sharing

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

**In-app purchases:** none


### U.S. Army STARS Elements

[App page](https://appshunter.io/ios/app/us-army-stars-elements/id1103901837)

Explore the world of chemistry with interactive tools to build atoms, learn chemical bonds, and discover elements. Test your knowledge with engaging challenges designed for students, teachers, and enthusiasts.

**Highlights:** Atom Builder, SmashBond game, Interactive Periodic Table, STARS Challenge quiz, 3D atom construction, Bohr's model visualization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Inner Ear ID free?

Inner Ear ID costs $4.99, with no in-app purchases.

### Is U.S. Army STARS Elements free?

U.S. Army STARS Elements is free to download, with no in-app purchases.

### Which has better reviews, Inner Ear ID or U.S. Army STARS Elements?

U.S. Army STARS Elements is rated higher. Inner Ear ID averages 1.0 out of 5 from 1 ratings, while U.S. Army STARS Elements averages 4.7 from 18 ratings.

### Do Inner Ear ID or U.S. Army STARS Elements have ads?

Neither Inner Ear ID nor U.S. Army STARS Elements shows ads.

### Which is updated more often, Inner Ear ID or U.S. Army STARS Elements?

Inner Ear ID ships an update every 40 months, and U.S. Army STARS Elements every 8 months. Most recently, Inner Ear ID was updated on October 7, 2026 and U.S. Army STARS Elements on October 11, 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.*