# Lumen vs DICOM Viewer

The clearest difference is price: DICOM Viewer at Free against Lumen's $9.99. Lumen's advantage is device support (4 vs 2). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

DICOM Viewer is free to download; Lumen costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lumen ships an update fortnightly, DICOM Viewer every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lumen | DICOM Viewer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Subscription |
| Size | 166 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [Ali Siddique](https://appshunter.io/developer/1681271435) |

## What reviewers say

### Lumen

[App page](https://appshunter.io/ios/app/lumen-dicom-viewer/id6776353922)

**In-app purchases:** none


### DICOM Viewer

[App page](https://appshunter.io/ios/app/dicom-viewer-pro/id6792388724)

View and organize medical imaging files like MRI, CT, and X-rays directly on your iPhone or iPad. Import studies from various sources, browse images with powerful tools, and even create 3D renderings. Local processing ensures your data remains private.

**Highlights:** Import DICOM from Files, cloud, ZIP, Supports MRI, CT, X-Ray, PET, Ultrasound, Fast image scrolling, Window Width/Level adjustment, 3D volume rendering, Annotation and measurement tools, Local processing for privacy, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumen free?

Lumen costs $9.99, with no in-app purchases.

### Is DICOM Viewer free?

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

### Do Lumen or DICOM Viewer have ads?

Neither Lumen nor DICOM Viewer shows ads.

### Which is updated more often, Lumen or DICOM Viewer?

Lumen ships an update fortnightly, and DICOM Viewer every 3 weeks. Most recently, Lumen was updated on October 28, 2026 and DICOM Viewer 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.*