Comparison

ViewScan vs DICOM Viewer

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

Head to head
About

ViewScan

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ViewScan โ€“ Advanced 3D Scanning Made Simple Transform your iPhone into a powerful 3D scanner with ViewScan. Designed for dental clinics, plastic surgery, and dermatology professionals, ViewScan utilizes cutting-edge TrueDepth technology to accurately capture detailed 3D facial data with ease. Features: Precision Scanning: Capture high-quality 3D facial models with stunning detail and accuracy. TrueDepth Technology: Leverage Apple's advanced TrueDepth sensors for the most reliable scans. Easy Export & Integration: Effortlessly export your 3D models in OBJ, PLY, or STL formats for further analysis and simulations. Seamless Workflow: Designed for professionals seeking efficient patient assessments and enhanced consultations. Secure & Private: All scans are processed securely, ensuring patient data remains confidential. ViewScan makes 3D scanning accessible, accurate, and efficient. Enhance your practice with precise 3D models for superior treatment planning and patient communication. Download ViewScan today and bring your 3D scanning capabilities to the next level!

About

DICOM Viewer

Easily open and view medical scan files like CT, MRI, and X-rays directly on your device. Analyze images with measurement tools, create 3D renderings, and manage your studies privately without uploading data.

Highlights
  • Open CT, MRI, X-ray, and ultrasound files
  • View and analyze scan images
  • 3D rendering and STL export
  • Measurement and markup tools
  • PACS server integration
  • Private on-device storage
Features
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Got a CD or a folder of scan files from the hospital and no way to open them? This app opens them in seconds, right on your iPhone, iPad or Mac. It reads CT, MRI, X-ray, ultrasound, PET and more. Everything stays on your device. No account. Nothing is uploaded. TRY IT BEFORE YOU IMPORT ANYTHING Tap Import, then Sample exams, and the app downloads a real chest CT, chest X-ray, pelvis MRI or chest ultrasound so you can test it right away. WHO IT IS FOR - Patients who want to see their own scan - Students learning to read images - Doctors, nurses and techs who need a quick look away from the desk OPEN WHAT THE CLINIC GAVE YOU - Import from folders, ZIP files, single files or a link - Studies, series and slices, sorted the way the scanner sent them - Reads the packed file types hospitals really use, including JPEG 2000, JPEG Lossless and JPEG-LS - Thumbnails, plus search by patient, exam or scan type READ THE IMAGES - Set brightness and contrast by dragging, with CT presets for brain, lung, bone, soft tissue and vessels - Scroll a stack, zoom, pan, rotate, flip, invert and play as a movie - Put two series side by side, linked by position, so different slice thicknesses stay lined up - See the full file information, tag by tag MEASURE AND MARK UP - Distance, angle, Cobb angle, area, closed path, curved line, pixel value and cardiothoracic ratio - Arrows, ellipses, boxes, text and free drawing - Area statistics: mean, standard deviation, lowest and highest value - Marks stay with the slice, and the timeline shows where they are - Save a marked-up image straight to Photos SEE IT IN 3D - Turn a CT or MR series into three linked views, at any angle - Thick slab views: maximum, minimum and mean - Volume rendering with presets for bone, skin, vessels and soft tissue - Surface rendering and STL export at life size, ready for 3D printing WORK WITH YOUR SERVERS - Search and pull exams from a PACS, or send exams to one - Receive exams pushed from a scanner or another device - Find DICOM devices on the local network SHARE WITHOUT SHARING TOO MUCH - Export the original DICOM files - Export or keep a copy with names, IDs, dates and private tags removed - Sort exams into folders, and fix labels an exam arrived with PRIVACY Exams are read and kept on your device. Nothing is sent anywhere unless you choose to send it to a server you set up yourself. IMPORTANT This app is for viewing and organizing medical imaging files. It is not cleared for primary diagnosis and does not replace clinical systems, diagnostic workstations or professional medical judgment. ABOUT THE SAMPLE EXAMS The sample exams, and the scans in the screenshots, are de-identified public research data from The Cancer Imaging Archive: the LIDC-IDRI (CC BY 3.0, https://doi.org/10.7937/K9/TCIA.2015.LO9QL9SX), PROSTATE-DIAGNOSIS (CC BY 3.0, https://doi.org/10.7937/K9/TCIA.2015.FOQEUJVT) and CMB-LCA (CC BY 4.0, https://doi.org/10.7937/3CX3-S132) collections. Full citations are in the app under Settings > Acknowledgements. Privacy Policy: https://bon-app.net/privacy-policy/ Terms of Use (EULA): https://bon-app.net/terms-of-use/

Screenshots

ViewScan3 screens
DICOM Viewer4 screens

Verdict

The call

The clearest difference is update cadence: DICOM Viewer at weekly against ViewScan's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ViewScan ships an update every 6 weeks, DICOM Viewer weekly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

Scorecard1 real difference ยท 7 level
ViewScan versus DICOM Viewer: the parameters behind the verdict, then further details
ParameterViewScanDICOM Viewer
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 6 weeksWeekly โ€” better
AdsNoNo
In-app purchasesNoNo
Monetizationโ€”Free
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.0 โ€” better17.0
Further details โ€” not scored
Size75 MB16 MB
Age rating12+12+
DeveloperAccu3DX Co., Ltd.Bon App & T

In-app purchases

None

ViewScan

No in-app purchases

None

DICOM Viewer

No in-app purchases

Questions

Is ViewScan free?
ViewScan is free to download, with no in-app purchases.
Is DICOM Viewer free?
DICOM Viewer is free to download, with no in-app purchases.
Do ViewScan or DICOM Viewer have ads?
Neither ViewScan nor DICOM Viewer shows ads.
Which is updated more often, ViewScan or DICOM Viewer?
ViewScan ships an update every 6 weeks, and DICOM Viewer weekly. Most recently, ViewScan was updated on October 3, 2026 and DICOM Viewer on October 14, 2026.

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