# IMAIOS e vs CT Anatomy

The clearest difference is review sentiment: IMAIOS e at 48% against CT Anatomy's 0%. IMAIOS e also leads on update cadence (every 9 days vs every 22 months) and rating (4.9 vs 4.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. IMAIOS e sells 2 in-app purchases, starting at $21.99 per month and CT Anatomy sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

IMAIOS e holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: IMAIOS e has 1.4K ratings behind it against 125, so its average is the more settled of the two. Written reviews point the same way: 48% of IMAIOS e's written reviews are positive against 0% of CT Anatomy's.

IMAIOS e ships an update every 9 days, CT Anatomy every 22 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IMAIOS e | CT Anatomy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403/reviews)** | [4.6 (125 ratings)](https://appshunter.io/ios/app/ct-anatomy/id1593860251/reviews) |
| Number of ratings | **1.4K** | 125 |
| Positive reviews | **47.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 22 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#70** | — |
| Size | 2.1 GB | 24 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [IMAIOS](https://appshunter.io/developer/334876406) | [MEDIWARE CY LTD](https://appshunter.io/developer/1759910044) |

## What reviewers say

### IMAIOS e

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

**Currently charting:** #70 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 |


### CT Anatomy

[App page](https://appshunter.io/ios/app/ct-anatomy/id1593860251)

This comprehensive CT anatomy atlas provides detailed cross-sectional views of the human body. Explore anatomical structures with interactive features like FollowMe™ and QuizMe™ modes. Available on Mac, iPhone, and iPad.

**Highlights:** Cross-sectional CT axial anatomy guide, FollowMe™ mode to trace anatomical structures, QuizMe™ mode for anatomy skill testing, Detailed descriptions for over 700 structures, Search and locate anatomical structures, English/Spanish and Latin nomenclature, MPR (coronal) reformats

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $9.99 | per year |


## Frequently asked questions

### Is IMAIOS e free?

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

### Is CT Anatomy free?

CT Anatomy is free to download, with in-app purchases available.

### Which has better reviews, IMAIOS e or CT Anatomy?

IMAIOS e is rated higher. IMAIOS e averages 4.9 out of 5 from 1.4K ratings, while CT Anatomy averages 4.6 from 125 ratings.

### Do IMAIOS e or CT Anatomy have ads?

Neither IMAIOS e nor CT Anatomy shows ads.

### Which is updated more often, IMAIOS e or CT Anatomy?

IMAIOS e ships an update every 9 days, and CT Anatomy every 22 months. Most recently, IMAIOS e was updated on November 1, 2026 and CT Anatomy on November 3, 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.*