Comparison

Twinia vs DICOM Spectator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Twinia

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
Read full description

Welcome to Maxilodexeus, the maxilofacial surgery clinic hosted in the notorious Dexeus Institute. We're proud to introduce Twinia, an app that will bring you the following useful features: * Up-to-date information about the clinic, its services and treatments * Detailed info about medical staff and their curriculums * Using easy forms allow you to introduce your personal data and avoid waiting times later at the waiting room * You can also complete and sign the healthcare questionnaire and disclaimers * A PDF copy of all forms will be emailed to the user

About

DICOM Spectator

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
Read full description

Explore medical image series in 2D and 3D with DICOM Spectator – on iPhone, iPad, and compatible Macs. Import DICOM files or entire folders, browse individual slices, and explore image series from different perspectives. Included sample images let you try the features right away. Features: • 2D viewing with zoom and adjustable window width and center • Three 3D viewing modes: slices, voxels, and ray marching • Rotate, pan, and zoom in 3D • Adjustable thresholds and transparency • Color-coded markers shared between spatially aligned series within the same study when suitable spatial information is available • Vignettes to highlight selected image regions • Organized study and series library • Detailed help in English and German Window width and center settings in the 2D view also affect the 3D renderings, helping you adjust the display to your image data. Image processing takes place locally on your device. All features are available for free. If you enjoy DICOM Spectator, you can support continued development through optional in-app purchases. Each contribution is a one-time purchase – no subscription and no locked features. DICOM Spectator is intended for viewing and illustrating medical image data. It is not intended for medical diagnosis.

Screenshots

DICOM Spectator4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Twinia versus DICOM Spectator: the parameters behind the verdict, then further details
ParameterTwiniaDICOM Spectator
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 months — betterEvery 80 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad — better
Requires iOS11.0 — better26.6
Further details — not scored
Size5 MB76 MB
Age rating17+4+
DeveloperTwinia Solutions S.L.Matthias Rudolph

Customer experience

Twinia

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DICOM Spectator

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

In-app purchases

None

Twinia

No in-app purchases

1 purchases

DICOM Spectator

One-time1
  • Full Version$4.99

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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