Comparison

CT Exam Prep for ARRT vs ARDMS

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

Head to head
About

CT Exam Prep for ARRT

Features
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Pass your CT Exam with confidence. CT ARRT Exam Prep gives you 750+ realistic practice questions with clear, detailed explanations for every answer. COVERS EVERY TOPIC Patient Care, CT Physics, Instrumentation, Image Production, Procedures by Region, Contrast — and more. WHY CT Tech PREP • 750+ exam-style questions, written and reviewed for accuracy • A detailed explanation for every answer — understand WHY • Realistic mock exams that mirror the real test • Track your accuracy by subject with smart analytics • A personalized study plan that keeps you on pace • Daily reminders + study anytime, even offline Whether it's your first attempt or a retake, our questions and explanations help you master the material and pass on your first try. SUBSCRIPTION Start free, then unlock everything. Weekly $4.99, Monthly $12.99, Yearly $39.99, or a one-time Lifetime unlock $79.99. Subscriptions auto-renew unless cancelled at least 24 hours before the period ends; manage or cancel in your App Store account settings. Disclaimer: This app is an independent study tool and is not affiliated with, endorsed by, or associated with the American Registry of Radiologic Technologists (ARRT). Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev

About

ARDMS

Features
Read full description

Ace your ARDMS SPI exam with sonography physics practice and mock tests. Prepare to pass your ARDMS SPI i.e Sonography Principles & Instrumentation Exam on your first attempt! Whether you are an ultrasound student or a practicing healthcare professional, this app provides the ultimate study environment to master complex ultrasound physics concepts with ease and confidence. • KEY FEATURES: High-Yield Question Bank: Access hundreds of practice questions written by certified sonographers and ultrasound physics experts. Realistic Mock Exams: Practice under timed exam conditions designed to mirror the actual ARDMS® SPI test experience. Detailed Answer Rationales: Learn from every question with comprehensive explanations that reinforce core physics principles. Topic-Wise Quizzes: Target your weak areas by focusing study sessions on specific chapters like Doppler, Transducers, or Bioeffects. • Smart Progress Tracking: Monitor your accuracy, view detailed score reports, and track your readiness level over time. • Study Anywhere: Full offline mode allows you to study anytime without requiring an active internet connection. COVERED EXAM TOPICS: 1. Clinical Safety, Bioeffects & Quality Assurance (ALARA, thermal/mechanical indices, phantoms) 2. Physical Principles & Acoustic Physics (frequency, attenuation, acoustic impedance) 3. Transducers & Beam Formation (PZT crystal, spatial resolution, focusing) 4. Pulse Echo Instrumentation (gain, TGC, dynamic range, image processing) 5. Doppler Principles & Hemodynamics (Color, Spectral, Continuous Wave, Aliasing) 6. Ultrasound Artifacts (reverberation, shadowing, enhancement, mirror image) 7. Hemodynamics and Fluid Dynamics (laminar flow, Poiseuille's Law, Bernoulli Effect) WHY CHOOSE THIS APP? Passing the SPI exam is a vital milestone toward earning your RDMS, RDCS, or RVT credentials. This app simplifies complex acoustic formulas, Doppler equations, and instrumentation logic into digestible, easy-to-understand practice modules so you can sit for your exam with 100% confidence. DISCLAIMER: ARDMS is a registered trademark of the American Registry for Diagnostic Medical Sonography, which is not affiliated with, nor does it endorse or sponsor this application. All practice materials are independently created for educational and test-preparation purposes.

Screenshots

CT Exam Prep for ARRT4 screens
ARDMS4 screens

Verdict

The call

The clearest difference is in-app purchases: ARDMS at none against CT Exam Prep for ARRT's 4. ARDMS also leads on iOS requirement (13.0 vs 15.0). CT Exam Prep for ARRT's advantage is ads (none vs shown). On price 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. CT Exam Prep for ARRT sells 4 in-app purchases, starting at $6.99 per 7 days. ARDMS asks for nothing beyond the download.

Scorecard3 real differences · 3 level
CT Exam Prep for ARRT versus ARDMS: the parameters behind the verdict, then further details
ParameterCT Exam Prep for ARRTARDMS
PriceFreeFree
Update frequencyEvery 3 months—
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size24 MB30 MB
Age rating4+4+
DeveloperFLY SKY PTY LTDMuhammad Abid

In-app purchases

4 purchases

CT Exam Prep for ARRT

Subscriptions3
  • CT Tech Weekly$6.997 Days
  • CT Tech Monthly$16.991 Month
  • CT Tech Yearly$39.991 Year
One-time1
  • CT Tech Lifetime$79.99
None

ARDMS

No in-app purchases

Questions

Is CT Exam Prep for ARRT free?
CT Exam Prep for ARRT is free to download, with in-app purchases available.
Is ARDMS free?
ARDMS is free to download, with no in-app purchases.
Do CT Exam Prep for ARRT or ARDMS have ads?
ARDMS shows ads; CT Exam Prep for ARRT does not.

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