Comparison

Core Step Prep vs TestIt

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

Head to head
About

Core Step Prep

This platform offers a high-yield question bank and study tools designed for USMLE Step 1 and Step 2 CK preparation. It focuses on recurring exam concepts with expert-crafted questions, actionable analytics, and realistic practice interfaces. Enhance your board prep with targeted study blocks and detailed explanations.

Highlights
  • High-yield USMLE-style questions
  • Step 1 + Step 2 CK coverage
  • Expert-crafted questions
  • Actionable analytics
  • Customizable quizzes
  • Realistic exam interface
  • Detailed explanations
  • Flashcards with spaced repetition
Features
Read full description

CoreStepPrep is a high-yield question bank and study platform for USMLE Step 1 and Step 2 CK, built to focus on the concepts that repeat across real exams. No filler. No bloat. Just the content that matters on test day. Why CoreStepPrep? • High-yield by design: Questions are built around recurring USMLE-style / NBME-style patterns, not low-yield trivia. • Step 1 + Step 2 CK coverage: Dedicated banks mapped to core systems and disciplines. • Expert-crafted questions: Written with exam structure, common traps, and blueprint thinking in mind. • Actionable analytics: Track accuracy by system/discipline, identify timing issues, and monitor trends over time. • Ongoing updates: New questions and explanations added regularly. • High-yield docs support: Reinforce weak areas with curated review documents. Study Tools & Features • Custom Quizzes (Build Mode): Create targeted blocks by topic, system, discipline, difficulty, and more. • Realistic exam-style interface: Familiar pacing and layout for efficient practice. • Detailed explanations: Clear reasoning, core concept call-outs, and high-yield takeaways. • Flashcards (Spaced Repetition): Review a daily queue, track progress, and generate cards from practice. • Score Predictor: Log practice scores and track performance trends over time. • Comprehensive Assessment (CSPCE): A full-length, realistic exam experience with detailed reporting. • Focused Blocks: Curated question blocks by topic/system for rapid high-yield review. • Live Quiz: Real-time questions with other users. • Question of the Day: Daily reps to stay consistent. • Bookmarks + Notes: Save questions, write quick notes, and build a personal review list. • Performance Dashboard: System/discipline breakdowns, timing patterns, and targeted weaknesses. CoreStepPrep is built for efficient board prep: cut the noise, master the core, and study with intent. Privacy Policy URL: https://corestepprep.com/#/privacy Terms of Use / EULA URL: https://corestepprep.com/#/terms

About

TestIt

Features
Read full description

TestIt helps you turn any topic into a quiz you can actually practice. Create quizzes with your preferred AI model, copy the result in JSON format, and paste it into TestIt. Study with instant feedback, detailed explanations, and clear analytics to track your progress. Note: TestIt doesn’t provide questions. It provides the structure and analytics for a question bank, and you fill it by pasting questions generated by your preferred AI. What you can do Build quizzes fast (any topic, any style) Import quizzes via JSON Practice multiple-choice questions with explanations Track accuracy, progress, and performance insights Save mistakes and review weak areas Organize content with tags and folders Whether you are preparing for exams, learning a new subject, or building your own question bank, TestIt keeps everything structured and measurable. Contact: Email: onurardaozdev@gmail.com Privacy Policy: https://test-it-app.pages.dev/privacypolicy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Core Step Prep4 screens
TestIt4 screens

Verdict

The call

The clearest difference is in-app purchases: TestIt at none against Core Step Prep's 6. TestIt also leads on iOS requirement (13.0 vs 26.0). 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. Core Step Prep sells 6 in-app purchases, starting at $9.99 per 7 days. TestIt asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Core Step Prep versus TestIt: the parameters behind the verdict, then further details
ParameterCore Step PrepTestIt
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.013.0 — better
Further details — not scored
Size24 MB22 MB
Age rating12+4+
DeveloperTerry TrentONUR ARDA OZ

In-app purchases

6 purchases

Core Step Prep

Subscriptions6
  • USMLE Step 1 Qbank - 1 wk access$9.997 Days
  • USMLE Step 2 CK Qbank - 1 wk access$9.997 Days
  • USMLE Step 1 Qbank - 1 mo. access$29.991 Month
Show 3 more
  • USMLE Step 2 CK Qbank - 1 mo access$29.991 Month
  • USMLE Step 2 CK Qbank - 6 mo access$99.996 Months
  • USMLE Step 1 Qbank - 6 mo access$99.996 Months
None

TestIt

No in-app purchases

Questions

Is Core Step Prep free?
Core Step Prep is free to download, with in-app purchases available.
Is TestIt free?
TestIt is free to download, with no in-app purchases.
Do Core Step Prep or TestIt have ads?
Neither Core Step Prep nor TestIt shows ads.

Other comparisons