# Twinia vs DICOM Spectator

The clearest difference is review sentiment: Twinia at 100% against DICOM Spectator's 0%. Twinia also leads on in-app purchases (none vs 1) and update cadence (every 4 months vs every 80 months). On price, ads and device support there is nothing between them.

Both are free to download. DICOM Spectator sells 1 one-off in-app purchase. Twinia asks for nothing beyond the download.

Twinia ships an update every 4 months, DICOM Spectator every 80 months. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Twinia | DICOM Spectator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dicom-spectator/id1497425584/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 80 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 76 MB |
| Requires iOS | **11.0** | 26.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Twinia Solutions S.L.](https://appshunter.io/developer/1030732989) | [Matthias Rudolph](https://appshunter.io/developer/597470203) |

## What reviewers say

### Twinia

[App page](https://appshunter.io/ios/app/twinia/id406992992)

Access up-to-date information about a maxilofacial surgery clinic, its services, and medical staff. Complete and sign necessary forms digitally to streamline your visit and reduce waiting times.

**Highlights:** Clinic information and services, Medical staff profiles, Digital personal data forms, Online healthcare questionnaire, Digital disclaimers, Email PDF copies of forms

**Features:** macOS Compatibility

**In-app purchases:** none


### DICOM Spectator

[App page](https://appshunter.io/ios/app/dicom-spectator/id1497425584)

View and analyze medical images from DICOM files, including MRI, X-Ray, PET, and CT scans. Explore image sequences in 3D and manipulate them in real-time for detailed examination.

**Highlights:** View DICOM files, Supports MRI, X-Ray, PET, CT, 3D image visualization, Real-time image manipulation, Image sequence stacking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is Twinia free?

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

### Is DICOM Spectator free?

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

### Do Twinia or DICOM Spectator have ads?

Neither Twinia nor DICOM Spectator shows ads.

### Which is updated more often, Twinia or DICOM Spectator?

Twinia ships an update every 4 months, and DICOM Spectator every 80 months. Most recently, Twinia was updated on September 28, 2026 and DICOM Spectator on October 8, 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.*