Sonography Exam Prep vs ARDMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sonography Exam Prep
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Sonography Exam Prep SPI is an offline ultrasound physics & instrumentation study app for SPI candidates. Purchase required for full access (auto-renewable subscription or lifetime unlock). WHAT YOU GET • 2,400+ original practice questions across SPI domains and specialty bridge review • SPI-format timed mocks (~110 questions / 2 hours) with realistic domain weights • Practice by topic: Doppler, image optimization, exam physics, transducers, safety & QA • Specialty Review bridge for clinical application across abdomen, OB-GYN, vascular, and echo contexts • Flashcards with spaced repetition • Weak-area drills from your misses • Progress dashboard: readiness %, topic mastery, streak, exam countdown • Detailed rationales — including physics calculation items SUBSCRIPTIONS & PRICING (USD) • Monthly Access — $9.99 / month • Annual Access — $49.99 / year (3-day free trial when eligible) • Lifetime Access — $99.99 one-time Payment is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings → Apple ID → Subscriptions. Privacy Policy: https://joykhansayan1.github.io/sonography-exam-prep-spi/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://joykhansayan1.github.io/sonography-exam-prep-spi/support.html DISCLAIMER Independent study material. Not affiliated with, endorsed by, or associated with ARDMS, Inteleos, or Pearson VUE. SPI and ARDMS are trademarks of their respective owners. All questions are original and are not real exam questions. Confirm current exam details on official ARDMS sources.
ARDMS
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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.
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Verdict
The clearest difference is in-app purchases: ARDMS at none against Sonography Exam Prep's 3. ARDMS also leads on iOS requirement (13.0 vs 17.0). Sonography Exam Prep'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
Both are free to download. Sonography Exam Prep sells 3 in-app purchases, starting at $9.99 per month. ARDMS asks for nothing beyond the download.
| Parameter | Sonography Exam Prep | ARDMS |
|---|---|---|
| Price | Free | Free |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | MD Shahariar Nazim Joy | Muhammad Abid |
In-app purchases
Sonography Exam Prep
- Monthly Access$9.991 Month
- Annual Access3 Days trial$49.991 Year
- Lifetime Access$99.99
ARDMS
No in-app purchases
Questions
Is Sonography Exam Prep free?
Is ARDMS free?
Do Sonography Exam Prep or ARDMS have ads?
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