Comparison

Tech Aide vs DICOM Viewer

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

Head to head
About

Tech Aide

Provides radiologic technologists with quick, practical information for over 170 radiographic views. Features include detailed positioning guidance, custom equipment profiles, and credential tracking for professional requirements.

Highlights
  • 170+ radiographic views
  • Positioning guidance
  • Custom equipment profiles
  • Credential tracking
  • CE tracking
  • Document vault
Read full description

Tech Aide brings radiographic references, everyday workflow tools, and professional tracking together in one app built specifically for rad techs. Access complete radiographic views, organize the way you work, and keep your credentials, continuing education, and documents close at hand. EXPLORE THE ATLAS Get free access to 170+ radiographic views across seven anatomy categories, with licensed reference images available for most views. Find your view by searching anatomy, view names, common abbreviations, or aliases. Each reference organizes the details you need for quick review, including: • Patient and part positioning • Central ray, SID, and collimation • Image receptor information • Breathing instructions • Image evaluation criteria • Common positioning errors • Marker placement • Adult and pediatric Quick Technique references, where applicable WORK MORE EFFICIENTLY WITH TECH AIDE PRO An optional monthly or annual subscription adds tools to personalize your workflow and keep your professional requirements organized. SAVE WHAT MATTERS Keep frequently used views and routines close at hand with Favorites. Spend less time searching for the references you return to most. CUSTOMIZE YOUR WORKFLOW Choose from 42 preset routines or build your own. Group views around the exams you perform and arrange them in the order that works for you. PERSONALIZE YOUR TECHNIQUE Create Equipment Profiles for the rooms and portable systems you use. Save your own adult and pediatric techniques by equipment, with preferred settings and notes organized alongside your Atlas references. WELCOME TO WAYPOINT Bring your licenses, certifications, continuing education, and supporting documents together in one place. Track credential expiration dates and review your renewal progress with clear status indicators. TRACK EVERY CREDIT Log CE activities and link them to the credentials they support. Keep certificates and other professional documents organized in your Vault, so your records are easy to find when you need them. Designed for quick reference, with a dark interface suited to low-light clinical environments. Tech Aide. Radiography Optimized. Terms of Use (EULA): [https://www.apple.com/legal/internet-services/itunes/dev/stdeula/](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

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
Read full description

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

Tech Aide4 screens
DICOM Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: DICOM Viewer at none against Tech Aide's 2. Tech Aide's advantage is iOS requirement (15.0 vs 17.0). On price, review sentiment, update cadence and ads 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. Tech Aide sells 2 in-app purchases, starting at $4.99 per month. DICOM Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

Tech Aide ships an update every 5 days, DICOM Viewer weekly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Tech Aide versus DICOM Viewer: the parameters behind the verdict, then further details
ParameterTech AideDICOM Viewer
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings3 — better—
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size154 MB16 MB
Age rating4+12+
DeveloperNICHOLAS GREGORY CALLAHANBon App & T

Customer experience

Tech Aide

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

DICOM Viewer

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Tech Aide

Subscriptions2
  • Tech Aide Pro - Monthly$4.991 Month
  • Tech Aide Pro - Annual$44.991 Year
None

DICOM Viewer

No in-app purchases

Questions

Is Tech Aide free?
Tech Aide is free to download, with in-app purchases available.
Is DICOM Viewer free?
DICOM Viewer is free to download, with no in-app purchases.
Do Tech Aide or DICOM Viewer have ads?
Neither Tech Aide nor DICOM Viewer shows ads.
Which is updated more often, Tech Aide or DICOM Viewer?
Tech Aide ships an update every 5 days, and DICOM Viewer weekly. Most recently, Tech Aide was updated on October 1, 2026 and DICOM Viewer on October 14, 2026.

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