Comparison

Twinia vs IDV

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

Head to head
About

Twinia

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

IDV

View DICOM medical imaging files from various sources securely on your device. Offers intuitive tools for image manipulation and measurement. Free for personal use, with an online version available.

Highlights
  • DICOM file support
  • Image scrolling
  • Image manipulation
  • Measurement tools
  • Secure local storage
  • Online version available
Features
Read full description

Data loaded in IDV (IMAIOS DICOM Viewer) isn't uploaded on the network to ensure storage safety and security of personal health information of the patients (excluding use of sharing features). IDV supports DICOM files of all types (ultrasound, scanner, MRI, PET, etc.) and offers several fast and intuitive tools such as scrolling, image manipulation and measurement. It allows you to easily open any file stored on your device or accessible online for quick viewing whenever you want. Completely free for personal and non-commercial use, IDV is also accessible in its online version on the website www.imaios.com. Caution: IDV has not been tested or certified for clinical use. It is NOT approved as a medical device. It cannot be used for primary diagnosis in medical imaging.

Screenshots

IDV4 screens

Verdict

The call

The clearest difference is update cadence: IDV at monthly against Twinia's every 4 months. Twinia's advantage is iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Twinia ships an update every 4 months, IDV monthly. The most recent releases landed on December 3, 2025 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Twinia versus IDV: the parameters behind the verdict, then further details
ParameterTwiniaIDV
PriceFreeFree
Rating—4.7 (504 ratings) — better
Positive reviews—60.2% of reviews
Number of ratings—504 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPadiPhone, iPad — better
Requires iOS11.0 — better17.6
Further details — not scored
Size5 MB127 MB
Age rating17+17+
DeveloperTwinia Solutions S.L.IMAIOS

Bugs and requests

Twinia

Not enough reviews yet to summarise bugs or requests.

IDV

Reported bugs

10 issues
  • App crashes when opening zip files on iPad
  • Loading screen freezes indefinitely on newer iOS versions
  • DICOM files fail to open despite successful import
  • Force close errors when accessing files
  • Cross-reference visualization disappeared after recent update
Show 5 more
  • Incompatibility with iPadOS 15+ on iPad Pro
  • Zip file format error messages for previously working files
  • App crashes with specific pixel sets
  • Inconsistent file format recognition
  • Data persistence issues after reinstallation

Requested features

10 requests
  • Volume rendering capability for 3D visualization
  • JPEG2000 Lossless format support
  • Side-by-side comparison of multiple studies
  • Annotation tools (straight and dotted lines)
  • MPR rotation capabilities for double oblique sections
Show 5 more
  • Clinical unit measurements (mm, cm) instead of pixels
  • Series metadata display (T1, T2 sequence details)
  • Improved measurement tool interface
  • DWI sequence support
  • Better folder import functionality

In-app purchases

None

Twinia

No in-app purchases

None

IDV

No in-app purchases

Questions

Is Twinia free?
Twinia is free to download, with no in-app purchases.
Is IDV free?
IDV is free to download, with no in-app purchases.
Do Twinia or IDV have ads?
Neither Twinia nor IDV shows ads.
Which is updated more often, Twinia or IDV?
Twinia ships an update every 4 months, and IDV monthly. Most recently, Twinia was updated on December 3, 2025 and IDV on September 23, 2026.

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