IMAIOS e vs RADS Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IMAIOS e
Explore a comprehensive atlas of human anatomy with over 26,000 detailed medical images. This app provides labeled anatomical structures in various views and languages, ideal for medical professionals and students. Access a free preview before subscribing for full, continuously updated content.
- 26,000+ medical and anatomical images
- Axial, coronal, and sagittal views
- Radiography, angiography, and dissection images
- Over 967,000 labeled anatomical structures
- 12 languages including Latin
- Interactive image scrolling and zooming
- Index search for anatomical structures
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IMAIOS e-Anatomy is an atlas of human anatomy for physicians, radiologists, medical students and radiology technicians. Get a sneak peek at more than 26 000 medical and anatomical images for free before subscribing to our detailed atlas of human anatomy. e-Anatomy is based on the award-winning IMAIOS e-Anatomy online atlas. Carry with you the most complete reference of human anatomy, wherever you go, on your mobile device or tablet. e-Anatomy has over 26 000 images containing series of images in axial, coronal and sagittal views as well as radiography, angiography, dissection pictures, anatomical charts and illustrations. All medical images were carefully labeled, more than 967 000 labels available in 12 languages including the Latin Terminologia Anatomica. (More details on: https://www.imaios.com/en/e-Anatomy) Features: - Scroll through image sets by dragging your finger - Zoom in and out - Tap labels to display anatomical structures - Select anatomical labels by category - Easily locate anatomical structures thanks to the index search - Multiple screen orientations - Switch languages at the touch of a button The subscription also gives you access to e-Anatomy on IMAIOS website. e-Anatomy is an atlas of anatomy continuously being improved: updates and new module are part of the subscription! Additional downloads are required for full use of the application. The medical information on this application is provided as a tool and reference for use by licensed medical professionals, competent healthcare professionals and no others, it does not and should not be construed as any form of medical diagnosis or professional medical advice on any matter. About module activation. IMAIOS e-Anatomy has three methods of activation for our different users: 1) IMAIOS members who have access provided by their university or library, may use their user account to enjoy full access to all modules. However, an internet connection is periodically required to verify their user account. 2) Users who have purchased the modules in previous versions of IMAIOS e-Anatomy can use the ""Restore"" feature to activate all previously purchased content. You will not be charged again and the content available by the time of your purchase is permanently accessible offline. 3) New users are invited to subscribe to e-Anatomy. All modules and features will be active for a limited period of time. Subscriptions will be automatically renewed so that they can enjoy continuous access to e-Anatomy. Additional auto-renewable subscription Information: - Subscription automatically renews unless auto-renew is turned off at least 24 hours prior to the end of the current period. - Subscriptions and auto-renewals may be turned off by going to the user's account settings on the App Store after purchase. - No cancellation of the current subscription is allowed during the active subscription period. The screenshots are part of the full e-Anatomy application with all modules enabled. Privacy Policy and Terms of Use - https://www.imaios.com/en/privacy-policy - https://www.imaios.com/en/conditions-of-access-and-use"
RADS Guide
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Download includes a free trial; continued use requires a 1- or 12-month auto-renewing subscription. RADS Guide (LI-RADS, PI-RADS, O-RADS & more) is a clinical decision-support reference built around widely used “RADS” structured reporting systems. It delivers point-of-care, step-by-step category guidance so you can classify findings consistently, communicate risk clearly, and align follow-up recommendations—whether you practice in radiology or a related specialty. --- Key Features (unlocked after the free trial with an active subscription) Multi-RADS Integration • In-app access to the core categories, definitions, and management/reporting guidance across: LI-RADS, PI-RADS, O-RADS, C-RADS, CAD-RADS, Lung-RADS, TI-RADS, and Bone-RADS—organized for fast, practical use at the workstation or clinic. Dynamic Category Card • A single, interactive card that updates in real time as you select key inputs (e.g., modality/context and relevant imaging features)—instantly surfacing the appropriate RADS category and next-step guidance. System Quick-Switch • In a few taps, jump between LI-RADS, PI-RADS, O-RADS, C-RADS, CAD-RADS, Lung-RADS, TI-RADS, and Bone-RADS so you can stay in flow while reading diverse studies. Category-First Reporting Support • Clear, concise category summaries designed to support standardized impressions and reduce variability—helping you stay consistent across shifts, sites, and readers. Self-Assessment Mode • Expert-curated question packs that spotlight high-yield thresholds, common pitfalls, and diagnostic pearls to reinforce your understanding of the RADS frameworks. Enhanced Readability • Dark-mode support, dynamic text sizing, and a distraction-free interface optimized for hectic reading environments. Offline Access • All guideline logic runs on-device—no login or server required. Medical Disclaimer: This app is for informational purposes only and is not a substitute for professional medical advice. In addition to using this app, always consult a qualified healthcare provider for diagnosis and treatment decisions. SUBSCRIPTION OPTIONS ¹ • 1-Month subscription (free trial available) | Price displayed in-app; may vary by region • 12-Month subscription (free trial available) | Price displayed in-app; may vary by region We aim to add ACR RADS updates as soon as possible, usually within 30 days of publication. We plan to add new self-assessment question packs about every 6 months. Future feature additions and update frequency may change without notice. ¹ Payment & Renewal – Payment is charged to your Apple ID at confirmation. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel anytime in Settings ▸ Apple ID ▸ Subscriptions. Note: If you switch plans or re-subscribe during the free trial, the remaining trial time is lost and you will be charged immediately. Privacy Policy: https://radiologiq.squarespace.com/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is chart position: IMAIOS e at #95 against RADS Guide's unranked. 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. IMAIOS e sells 2 in-app purchases, starting at $22.99 per month and RADS Guide sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | IMAIOS e | RADS Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1.4K ratings) — better | — |
| Positive reviews | 47.9% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #95 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 16.6 — better |
| Further details — not scored | ||
| Size | 2.2 GB | 116 MB |
| Age rating | 17+ | 17+ |
| Developer | IMAIOS | RADIOLOGiQ, LLC |
In-app purchases
IMAIOS e
- e-Anatomy monthly Subscription$22.991 Month
- e-Anatomy one year Subscription$139.001 Year
RADS Guide
- 1-Month Subscription7 Days trial$3.991 Month
- 12-Month Subscription7 Days trial$29.991 Year









