Comparison

BVAS/WG vs RADS Guide

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

Head to head
About

BVAS/WG

Features
Read full description

BVAS scale is a tool in the form of a questionnaire designed to measure the severity of the diseases from group of vasculitis. „BVAS/WG” is a shortened version of the scale. It is used to evaluate the activity of Wegener's granulomatosis. Our free application is a convenient way to benefit from BVAS scale, at any time, without filling out printed forms. Application consists of 9 major modules (and additional „Other”), which represent groups of organs and systems. In each group are listed symptoms. They can be assigned respectively 1 or 3 points (1 is called. small symptom, 3 - big symptom). Before making any medical decisions, besides using the application, be sure to consult a doctor. Data source: http://api.lekseek.com/mobile/bvas/BVAS.pdf

About

RADS Guide

Features
Read full description

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

BVAS/WG4 screens
RADS Guide4 screens

Verdict

The call

The clearest difference is in-app purchases: BVAS/WG at none against RADS Guide's 2. BVAS/WG also leads on iOS requirement (9.0 vs 16.6). On price, ads 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. RADS Guide sells 2 in-app purchases, starting at $3.99 per month. BVAS/WG asks for nothing beyond the download.

Scorecard2 real differences · 4 level
BVAS/WG versus RADS Guide: the parameters behind the verdict, then further details
ParameterBVAS/WGRADS Guide
PriceFreeFree
Update frequencyEvery 11 months—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.0 — better16.6
Further details — not scored
Size12 MB116 MB
Age rating17+17+
DeveloperLekSeek Polska Sp. z o.o.RADIOLOGiQ, LLC

In-app purchases

None

BVAS/WG

No in-app purchases

2 purchases

RADS Guide

Subscriptions2
  • 1-Month Subscription7 Days trial$3.991 Month
  • 12-Month Subscription7 Days trial$29.991 Year

Questions

Is BVAS/WG free?
BVAS/WG is free to download, with no in-app purchases.
Is RADS Guide free?
RADS Guide is free to download, with in-app purchases available.
Do BVAS/WG or RADS Guide have ads?
Neither BVAS/WG nor RADS Guide shows ads.

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