# IMAIOS e vs BrisU

The clearest difference is review sentiment: IMAIOS e at 48% against BrisU's 0%. IMAIOS e also leads on rating (4.9 vs 1.5) and ratings volume (1.4K vs 2). BrisU's advantage is in-app purchases (none vs 2) and iOS requirement (13 vs 16.6). On price, ads and device support there is nothing between them.

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

IMAIOS e holds the better App Store score, 4.9 against 1.5. That said, the two scores are not equally well evidenced: IMAIOS e has 1.4K ratings behind it against 2, 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 BrisU's.

IMAIOS e ships an update every 9 days, BrisU every 5 weeks. The most recent releases landed on October 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | IMAIOS e | BrisU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.4K ratings)](https://appshunter.io/ios/app/imaios-e-anatomy/id334876403/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/brisu/id1621026363/reviews) |
| Number of ratings | **1.4K** | 2 |
| Positive reviews | **47.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#73** | — |
| Size | 2.1 GB | 40 MB |
| Requires iOS | 16.6 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [IMAIOS](https://appshunter.io/developer/334876406) | [Contec Medical Systems Co., Ltd.](https://appshunter.io/developer/908936493) |

## 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 |


### BrisU

[App page](https://appshunter.io/ios/app/brisu/id1621026363)

This medical app helps users monitor their lung function by connecting to compatible devices. It records test data, allowing users to understand their lung health status. Medical advice should always be sought from a doctor.

**Highlights:** Lung function monitoring, Data recording via Bluetooth, Peripheral device integration, Lung health status understanding, Auxiliary functions

**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 BrisU free?

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

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

IMAIOS e is rated higher. IMAIOS e averages 4.9 out of 5 from 1.4K ratings, while BrisU averages 1.5 from 2 ratings.

### Do IMAIOS e or BrisU have ads?

Neither IMAIOS e nor BrisU shows ads.

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

IMAIOS e ships an update every 9 days, and BrisU every 5 weeks. Most recently, IMAIOS e was updated on October 22, 2026 and BrisU on September 14, 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.*