# IMAIOS e vs iDoctus

The clearest difference is in-app purchases: iDoctus at none against IMAIOS e's 2. iDoctus also leads on review sentiment (80% vs 48%) and iOS requirement (15.6 vs 17.6). IMAIOS e's advantage is ratings volume (1.4K vs 41) and chart position (#73 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. IMAIOS e sells 2 in-app purchases, starting at $21.99 per month. iDoctus asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for IMAIOS e against 4.8 for iDoctus. That said, the two scores are not equally well evidenced: IMAIOS e has 1.4K ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 48% of IMAIOS e's written reviews are positive against 80% of iDoctus's.

IMAIOS e ships an update every 9 days, iDoctus weekly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | IMAIOS e | iDoctus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403/reviews)** | [4.8 (41 ratings)](https://appshunter.io/ios/app/idoctus/id530457100/reviews) |
| Number of ratings | **1.4K** | 41 |
| Positive reviews | 47.9% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#73** | — |
| Size | 2.1 GB | 177 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [IMAIOS](https://appshunter.io/developer/334876406) | [iDoctus](https://appshunter.io/developer/530457103) |

## What reviewers say

### IMAIOS e

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

**Currently charting:** #73 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 |


### iDoctus

[App page](https://appshunter.io/ios/app/idoctus/id530457100)

This medical reference tool provides doctors with quick access to drug information, interaction checkers, and clinical calculators. It aims to improve daily practice efficiency and patient safety with up-to-date, scientifically verified content.

**Highlights:** Medical and pharmacological reference, Drug interaction checker, Clinical calculators, Scientific updates, Specialized knowledge centers, Offline access

**Features:** macOS Compatibility, 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 iDoctus free?

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

### Which has better reviews, IMAIOS e or iDoctus?

IMAIOS e is rated higher. IMAIOS e averages 4.9 out of 5 from 1.4K ratings, while iDoctus averages 4.8 from 41 ratings.

### Do IMAIOS e or iDoctus have ads?

Neither IMAIOS e nor iDoctus shows ads.

### Which is updated more often, IMAIOS e or iDoctus?

IMAIOS e ships an update every 9 days, and iDoctus weekly. Most recently, IMAIOS e was updated on November 1, 2026 and iDoctus on October 29, 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.*