AST CST Exam Prep vs RN Prep With Steph
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AST CST Exam Prep
Prepare for your Certified Surgical Technologist (CST) exam with a personalized study plan. Practice with over 550 questions, track your progress, and compare your scores to the community average to boost your confidence and pass on your first attempt.
- Personalized study plan
- 550+ practice questions
- Track strengths and weaknesses
- Detailed test statistics
- Community score comparison
- Multiple exam options
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Pass your CST exam with flying colors! Boost your confidence in passing first time with our mobile app and a personal study plan based on your current skill and requirements. The national certifying examination for surgical technologists covers the knowledge and skills common to competent entry-level Surgical Technologists in varied settings and geographical locations. Committee members designed the examinations to assess the skills that comprise the core body of knowledge for all surgical technologists and surgical first assistants. The Certified Surgical Technologist (CST®) examination examines practical knowledge, and one night of studying will not lead to passing grades. Key features: - Choose from different exams - Practice with 550+ questions written by instructors and expert tutors - Track your strengths and weaknesses within Stats section of the app - Study detailed statistics of every test you take - Compare your score to the community average for almost any type of exam - - - - Purchases, subscriptions and terms You need to buy a lifetime access or subscribe to get access to all features, courses and questions. The cost of the purchase is charged to your iTunes account. Subscriptions are auto-renewable and are billed at the rate and period selected depending on the subscription plan. Users’ accounts are charged for auto-renewal within 24 hours prior to the end of the current period. Subscriptions can be managed and auto-renewal can be turned off in Account Settings in iTunes after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of use: https://mastrapi.com/terms Privacy policy: https://mastrapi.com/policy
RN Prep With Steph
Master nursing fundamentals and ace your RN licensing exam with this comprehensive study companion. It offers detailed study guides, practice questions with rationales, and interactive worksheets designed by an experienced nursing educator to foster understanding and build confidence.
- 60+ study guides covering essential nursing topics
- 500+ exam-style practice questions with detailed rationales
- Interactive worksheets for hands-on practice
- Progress tracking and identification of knowledge gaps
- Evidence-based approach focusing on critical thinking
- Offline access to premium content (coming soon)
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Master nursing fundamentals and ace your RN licensing exam with the RN Prep With Steph app – your comprehensive study companion created by an experienced nursing educator. Whether you're just starting nursing school or preparing for your licensure exam, RN Prep With Steph provides everything you need to study smarter, understand complex concepts, and build confidence in your nursing knowledge. WHAT MAKES US DIFFERENT Created by Steph, a passionate nursing educator with years of teaching experience, every study guide, practice question, and worksheet is designed to help you truly understand nursing concepts – not just memorize them. Our evidence-based approach focuses on: • Critical thinking skills for clinical practice • Comprehensive coverage of essential nursing topics • Detailed rationales that explain the "why" behind every answer • Real-world application of nursing theory COMPREHENSIVE STUDY MATERIALS STUDY GUIDES • 60+ professionally written study guides • Covers all essential nursing topics • Clear explanations with visual aids • Organized by nursing specialty PRACTICE QUESTIONS • 500+ exam-style practice questions • Detailed rationales for every answer • Track your progress over time • Identify knowledge gaps WORKSHEETS • Interactive learning exercises • Printable study aids • Hands-on practice activities • Perfect for visual learners FREE CONTENT INCLUDED Get started immediately with FREE access to: • Complete Nursing Foundations section • Fundamentals of Nursing Practice & Safety • No subscription required • No credit card needed Try before you buy and experience the quality of our educational content! PREMIUM SUBSCRIPTION OPTIONS Unlock everything with flexible pricing: Monthly Premium - $9.99/month Perfect for short-term study needs Yearly Premium - $99.99/year (SAVE 17%) Best value for nursing students Lifetime Access - $199.99 one-time Never pay again – lifetime access to all content Premium includes: • All study guides (100+) • All practice questions (500+) • All worksheets and study aids • New content added regularly • Priority support from Steph • Progress tracking and analytics • Offline access (coming soon) CREATED BY EDUCATORS, FOR STUDENTS Steph understands the challenges nursing students face because she's been there. Her mission is simple: make nursing education more accessible, more understandable, and more effective. Every piece of content is: • Reviewed for accuracy • Based on current evidence-based practice • Aligned with nursing education standards • Updated regularly PERFECT FOR • Nursing students (all levels) • RN licensure exam preparation • Refreshing nursing knowledge • Clinical practice reference • Continuing education SUBSCRIPTION DETAILS • Subscription renews automatically unless cancelled 24 hours before period ends • Manage or cancel anytime through App Store settings • Payment charged to iTunes account at confirmation • Access premium content on all your devices YOUR PRIVACY MATTERS • No personal information required • Anonymous usage for free content • Secure subscription management via Apple • See our Privacy Policy for details Download RN Prep With Steph today and start your journey to nursing success. Your future patients are counting on you!
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Verdict
The clearest difference is review sentiment: RN Prep With Steph at 100% against AST CST Exam Prep's 25%. RN Prep With Steph also leads on rating (5.0 vs 4.6). AST CST Exam Prep's advantage is ratings volume (288 vs 10) and iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases 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. AST CST Exam Prep sells 2 in-app purchases, starting at $24.99 per month and RN Prep With Steph sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
RN Prep With Steph holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: AST CST Exam Prep has 288 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 25% of AST CST Exam Prep's written reviews are positive against 100% of RN Prep With Steph's.
AST CST Exam Prep ships an update every 2 months, RN Prep With Steph monthly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | AST CST Exam Prep | RN Prep With Steph |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (288 ratings) | 5.0 (10 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 288 — better | 10 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 35 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | MastrAPI | Taylsec LLC |
Customer experience
AST CST Exam Prep
RN Prep With Steph
Bugs and requests
AST CST Exam Prep
Reported bugs
7 issues- Answers change after submission
- Incorrect scoring
- Repeated questions
- Misspellings and poor wording
- Answers marked incorrect when correct
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- Content not transferring to new app
- Typos in questions and answers
Requested features
3 requests- iPad version of the app
- Personalizing tests
- Better questions
RN Prep With Steph
Not enough reviews yet to summarise bugs or requests.
In-app purchases
AST CST Exam Prep
- Monthly with trial7 Days trial$24.991 Month
- Lifetime access$99.99
RN Prep With Steph
- Monthly Premium Subscription$9.991 Month
- Yearly Premium Subscription$99.991 Year
- Lifetime Access$199.99
Questions
Is AST CST Exam Prep free?
Is RN Prep With Steph free?
Which has better reviews, AST CST Exam Prep or RN Prep With Steph?
Do AST CST Exam Prep or RN Prep With Steph have ads?
Which is updated more often, AST CST Exam Prep or RN Prep With Steph?
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