Twinia vs IDV
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Twinia
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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
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.
- DICOM file support
- Image scrolling
- Image manipulation
- Measurement tools
- Secure local storage
- Online version available
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Twinia ships an update every 4 months, IDV monthly. The most recent releases landed on December 3, 2025 and September 23, 2026 respectively.
| Parameter | Twinia | IDV |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (504 ratings) — better |
| Positive reviews | — | 60.2% of reviews |
| Number of ratings | — | 504 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 127 MB |
| Age rating | 17+ | 17+ |
| Developer | Twinia 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
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- 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
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- 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
Twinia
No in-app purchases
IDV
No in-app purchases









