# UDE Lite vs ONIS

The clearest difference is in-app purchases: ONIS at none against UDE Lite's 1. ONIS also leads on device support (3 vs 1) and iOS requirement (9.0 vs 14.0). On price, update cadence and ads there is nothing between them.

Both are free to download. UDE Lite sells 1 in-app purchase, starting at $29.99 per month. ONIS asks for nothing beyond the download.

UDE Lite ships an update every 2 months, ONIS every 5 weeks. The most recent releases landed on September 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | UDE Lite | ONIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ude-lite/id596265500/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 55 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [EBM Technologies, Incorporated.](https://appshunter.io/developer/404511773) | [DigitalCore Corporation](https://appshunter.io/developer/1277558983) |

## What reviewers say

### UDE Lite

[App page](https://appshunter.io/ios/app/ude-lite/id596265500)

This medical imaging app transforms an iPad Pro into a DICOM server and viewer for research and reference. It allows for offline display and storage of medical images transmitted via DICOM communication, offering intuitive manipulation tools and sharing capabilities. Note: It is not certified for clinical diagnosis and does not support mammography viewing.

**Highlights:** DICOM image display, storage, and processing, DICOM Query and Retrieve functionality, Intuitive image manipulation tools, Print and upload photos/files, Share DICOM studies via AirDrop, Customizable DICOM communication settings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Features | $29.99 | per month |


### ONIS

[App page](https://appshunter.io/ios/app/onis-shot/id1542493531)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UDE Lite free?

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

### Is ONIS free?

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

### Do UDE Lite or ONIS have ads?

Neither UDE Lite nor ONIS shows ads.

### Which is updated more often, UDE Lite or ONIS?

UDE Lite ships an update every 2 months, and ONIS every 5 weeks. Most recently, UDE Lite was updated on September 18, 2026 and ONIS 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.*