NIS & RISC Review
Offline study for radiology residents who face the NIS and RISC sections of the Core and Certifying exams. Start with a free sampler, then work through cited lessons and questions.
- Platform
- iOS · Android
- Inside
- 37 lessons · 458 questions · cram sheets
- Data
- On your device. Purchases go through RevenueCat.
The app covers the NIS and RISC sections only, not the whole Core or Certifying exam. It is an independent study aid. It is not affiliated with, endorsed by, or sponsored by the American Board of Radiology (ABR) or any certifying body. The content is for education only and is not medical advice.
Screenshots
Features
Cited lessons and Essentials sheets
37 short lessons with high-yield callouts, dose tables, and source chips, so you can trace every fact. Every domain also has a short Essentials cram sheet for a fast pass the day before.
A blueprint-weighted question bank
458 board-style questions, chosen to match each domain’s share of the exam blueprint. The app scores you by domain, so your readiness score shows where the exam puts its questions.
Offline study, no account
No account, sign-up, or ads. Lessons, questions, and study progress live on your device, so the app works without a connection.
Free to start, then one $4.99 unlock
- An eight-question high-yield sampler with grading, explanations, and citations
- RISC: radiation protection, and the mathematics of radioactivity measurement
- NIS: professionalism, and the core concepts of quality and safety
- Full lessons, Essentials sheets, and questions for those four sections
- The readiness dashboard, search, and progress tracking
- Every remaining section of both guides, with all their lessons, Essentials sheets, and questions
- The complete question bank across every practice pool
- Every future content update, including revisions for later exam cycles
- It works on both iPhone and iPad.
Privacy
Your study history stays on your device. The app has no accounts, advertising, general analytics SDK, or crash reporting. RevenueCat receives anonymous purchase history and paywall views to unlock access and measure conversion. It receives no questions, answers, scores, or search terms.
Support
Send questions, technical problems and bug reports by email. We usually reply within 24 to 48 hours.
Email support@oneradstudio.com- Your phone or tablet model and OS version
- The app version from Settings
- Steps to reproduce the issue
- Screenshots if applicable
If you find a factual error in a question or lesson, tap Report an issue on that item. Then send the report with Settings → Export. The app keeps your reports on your device and does not transmit them.