# BerlinCaseViewer vs decimal3D

The clearest difference is in-app purchases: decimal3D at none against BerlinCaseViewer's 16. decimal3D also leads on rating (5.0 vs 4.6). BerlinCaseViewer's advantage is ratings volume (18 vs 3) and device support (4 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. BerlinCaseViewer sells 16 one-off in-app purchases. decimal3D asks for nothing beyond the download.

decimal3D holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: BerlinCaseViewer has 18 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | BerlinCaseViewer | decimal3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (18 ratings)](https://appshunter.io/ios/app/berlincaseviewer-imaging/id1462977973/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/decimal3d/id1471708895/reviews)** |
| Number of ratings | **18** | 3 |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 39 MB |
| Requires iOS | **9.1** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPad |
| Age rating | 17+ | 17+ |
| Developer | [BerlinFlame GmbH](https://appshunter.io/developer/1462977972) | [.decimal, LLC](https://appshunter.io/developer/1471708894) |

## What reviewers say

### BerlinCaseViewer

[App page](https://appshunter.io/ios/app/berlincaseviewer-imaging/id1462977973)

This app provides medical imaging education for iOS devices, featuring MRI, X-rays, CT scans, and ultrasound images. Developed by radiologists, it offers case collections, multiple-choice questions, and colored overlays to aid diagnosis and learning.

**Highlights:** Medical imaging case collection, Multiple-choice diagnostic questions, Colored overlays for image guidance, High-resolution image data sets, Clinical information and differential diagnoses, Regularly updated learning modules, Offline access

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Primer on imaging of arthritis | Free | one-time |
| Pulmonary diseases on CT | Free | one-time |
| Pulmonary diseases (small) | Free | one-time |
| Case of the month - MSK | Free | one-time |
| MRI anatomy of the ulnar nerve | Free | one-time |
| Case of the month - CARD/PUL | Free | one-time |
| MSK.cases ENG | Free | one-time |
| Primer to chest X-ray GER | Free | one-time |
| Radiology from Brazil, English | Free | one-time |
| Chest X-ray \| Introduction | Free | one-time |
| Arthritis 101 Chinese | Free | one-time |
| Radiology from Brazil - BRA | Free | one-time |
| MSK.CASES Portuguese version | Free | one-time |
| Chest X-ray \| part 2 | $3.99 | one-time |
| Enthesitis and Osteitis GERMAN | $11.99 | one-time |
| Grading of sacroiliitis | $12.99 | one-time |


### decimal3D

[App page](https://appshunter.io/ios/app/decimal3d/id1471708895)

This medical software helps radiation therapy professionals design and order patient-specific devices for external beam radiation therapy. It captures 3D renderings of treatment areas and allows for quick digitization and design of electron apertures, with one-click ordering for next-day delivery.

**Highlights:** 3D patient treatment area capture, Digitize and design electron apertures, One-click ordering for custom devices, FDA cleared medical software, Streamlined radiation therapy workflow

**In-app purchases:** none


## Frequently asked questions

### Is BerlinCaseViewer free?

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

### Is decimal3D free?

decimal3D is free to download, with no in-app purchases.

### Which has better reviews, BerlinCaseViewer or decimal3D?

decimal3D is rated higher. BerlinCaseViewer averages 4.6 out of 5 from 18 ratings, while decimal3D averages 5.0 from 3 ratings.

### Do BerlinCaseViewer or decimal3D have ads?

Neither BerlinCaseViewer nor decimal3D shows ads.

### Which is updated more often, BerlinCaseViewer or decimal3D?

BerlinCaseViewer ships an update every 2 months, and decimal3D every 2 months. Most recently, BerlinCaseViewer was updated on October 14, 2026 and decimal3D on October 6, 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.*