# MRI MASTER vs Microbe Atlas

The clearest difference is in-app purchases: Microbe Atlas at none against MRI MASTER's 1. Microbe Atlas also leads on update cadence (every 2 weeks vs every 2 months). MRI MASTER's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MRI MASTER sells 1 one-off in-app purchase. Microbe Atlas asks for nothing beyond the download.

MRI MASTER ships an update every 2 months, Microbe Atlas every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MRI MASTER | Microbe Atlas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (50 ratings)](https://appshunter.io/ios/app/mri-master/id1627990872/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 74.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 86 MB | 20 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [REJOSH GEORGE](https://appshunter.io/developer/1627990874) | [seungjae woo](https://appshunter.io/developer/6804679319) |

## What reviewers say

### MRI MASTER

[App page](https://appshunter.io/ios/app/mri-master/id1627990872)

This app serves as a comprehensive guide for MRI students, radiologists, and technologists. It offers detailed scan planning, a vast protocol library, and in-depth explanations of anatomy, techniques, and physics. It also includes a pathology atlas and an artifact encyclopedia to aid in learning and practice.

**Highlights:** MRI Scan Planning, Protocol Library, Full-Body Anatomy in 3 Planes, Techniques & Parameter Guidance, Sequence Physics & Characteristics, Pathology Atlas, Artifact Encyclopedia

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MRI MASTER OFFLINE VERSION | $10.99 | one-time |


### Microbe Atlas

[App page](https://appshunter.io/ios/app/microbe-atlas/id6818801600)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MRI MASTER free?

MRI MASTER is free to download, with in-app purchases available.

### Is Microbe Atlas free?

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

### Do MRI MASTER or Microbe Atlas have ads?

Microbe Atlas shows ads; MRI MASTER does not.

### Which is updated more often, MRI MASTER or Microbe Atlas?

MRI MASTER ships an update every 2 months, and Microbe Atlas every 2 weeks. Most recently, MRI MASTER was updated on November 3, 2026 and Microbe Atlas on October 31, 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.*