# IMAIOS e vs INTERACTIVE MRI ATLAS

The clearest difference is price: IMAIOS e at Free against INTERACTIVE MRI ATLAS's $19.99. IMAIOS e also leads on chart position (#129 vs unranked) and update cadence (every 9 days vs every 3 weeks). INTERACTIVE MRI ATLAS's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On ads there is nothing between them.

IMAIOS e is free to download; INTERACTIVE MRI ATLAS costs $19.99 up front. IMAIOS e sells 2 in-app purchases, starting at $21.99 per month. INTERACTIVE MRI ATLAS asks for nothing beyond the download.

IMAIOS e ships an update every 9 days, INTERACTIVE MRI ATLAS every 3 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IMAIOS e | INTERACTIVE MRI ATLAS |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 47.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#129** | — |
| Size | 2.1 GB | 430 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 12+ |
| Developer | [IMAIOS](https://appshunter.io/developer/334876406) | [ANATOMYX LABS](https://appshunter.io/developer/1885288901) |

## What reviewers say

### IMAIOS e

[App page](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403)

**Currently charting:** #129 Top Grossing · Medical (US App Store)

This comprehensive human anatomy atlas offers over 26,000 medical images, including various views and illustrations. It allows users to explore anatomical structures with interactive features and multiple language options. A free preview is available before subscribing to the full, continuously updated atlas.

**Highlights:** 26,000+ medical and anatomical images, Axial, coronal, sagittal views, Radiography and angiography images, Dissection pictures and illustrations, Interactive labeling and search, 12 language options

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| e-Anatomy monthly Subscription | $21.99 | per month |
| e-Anatomy one year Subscription | $132.99 | per year |


### INTERACTIVE MRI ATLAS

[App page](https://appshunter.io/ios/app/interactive-mri-atlas/id6760607195)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IMAIOS e free?

IMAIOS e is free to download, with in-app purchases available.

### Is INTERACTIVE MRI ATLAS free?

INTERACTIVE MRI ATLAS costs $19.99, with no in-app purchases.

### Do IMAIOS e or INTERACTIVE MRI ATLAS have ads?

Neither IMAIOS e nor INTERACTIVE MRI ATLAS shows ads.

### Which is updated more often, IMAIOS e or INTERACTIVE MRI ATLAS?

IMAIOS e ships an update every 9 days, and INTERACTIVE MRI ATLAS every 3 weeks. Most recently, IMAIOS e was updated on October 29, 2026 and INTERACTIVE MRI ATLAS on October 28, 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.*