# Inner Ear ID vs PADI Training

The clearest difference is price: PADI Training at Free against Inner Ear ID's $4.99. PADI Training also leads on rating (3.6 vs 1.0) and update cadence (every 3 months vs every 40 months). Inner Ear ID's advantage is iOS requirement (11.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

PADI Training 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.

PADI Training holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: PADI Training 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 21% of PADI Training's.

Inner Ear ID ships an update every 40 months, PADI Training every 3 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Inner Ear ID | PADI Training |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/inner-ear-id/id674287583/reviews) | **[3.6 (18 ratings)](https://appshunter.io/ios/app/padi-training/id1471474067/reviews)** |
| Number of ratings | 1 | **18** |
| Positive reviews | 0.0% of reviews | **21.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 25 MB | 35 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Blue Tree Publishing, Inc.](https://appshunter.io/developer/496143325) | [PADI Americas, Inc.](https://appshunter.io/developer/416901045) |

## 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


### PADI Training

[App page](https://appshunter.io/ios/app/padi-training/id1471474067)

Access and study your PADI training materials offline. Prepare for your underwater adventures and explore the marine world anytime, anywhere.

**Highlights:** Download PADI training materials, Offline access to study guides, Learn on the go, Prepare for diving adventures

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great way to learn
- 👍 Convenient offline access
- 👍 Better than browser version
- 👍 Well-structured course materials
- 👍 Professional instructors

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Progress not syncing
- 🐛 Loses progress state
- 🐛 Videos not playing
- 🐛 Cannot log dives

**Reported bugs**

- App crashes frequently
- Progress not syncing between devices
- Videos do not play or show black screen
- Cannot log dives (location selection issue)
- Downloaded content not accessible offline

**Requested features**

- Allow offline use of downloaded material
- Improve progress synchronization
- Fix video playback issues
- Enable offline login
- Add bookmarks or progress markers


## Frequently asked questions

### Is Inner Ear ID free?

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

### Is PADI Training free?

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

### Which has better reviews, Inner Ear ID or PADI Training?

PADI Training is rated higher. Inner Ear ID averages 1.0 out of 5 from 1 ratings, while PADI Training averages 3.6 from 18 ratings.

### Do Inner Ear ID or PADI Training have ads?

Neither Inner Ear ID nor PADI Training shows ads.

### Which is updated more often, Inner Ear ID or PADI Training?

Inner Ear ID ships an update every 40 months, and PADI Training every 3 months. Most recently, Inner Ear ID was updated on October 7, 2026 and PADI Training on October 13, 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.*