# DICOM vs ONIS

The clearest difference is price: ONIS at Free against DICOM's $7.99. ONIS also leads on update cadence (every 5 weeks vs every 6 months) and iOS requirement (9.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

ONIS is free to download; DICOM costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DICOM ships an update every 6 months, ONIS every 5 weeks. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DICOM | ONIS |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dicom-shot/id649800208/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 3 MB | 55 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Life Sciences Computing Corporation](https://appshunter.io/developer/395090434) | [DigitalCore Corporation](https://appshunter.io/developer/1277558983) |

## What reviewers say

### DICOM

[App page](https://appshunter.io/ios/app/dicom-shot/id649800208)

Capture medical images with your iPhone and send them directly to a DICOM server. This simplified modality application allows for easy patient information entry, image capture, and transmission for centralized hospital image management.

**Highlights:** Capture images with iPhone camera, Enter patient information, Send images to DICOM server, Centralized hospital image management, Supports DICOM communication protocol, Customizable image size options

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

**In-app purchases:** none


### ONIS

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DICOM free?

DICOM costs $7.99, with no in-app purchases.

### Is ONIS free?

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

### Do DICOM or ONIS have ads?

Neither DICOM nor ONIS shows ads.

### Which is updated more often, DICOM or ONIS?

DICOM ships an update every 6 months, and ONIS every 5 weeks. Most recently, DICOM was updated on October 26, 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.*