Comparison

Core Step Prep vs EvidenceLens

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 brings your USMLE Step 1 and Step 2 study workflow to iPhone, iPad, and native Mac. Build focused question blocks, study detailed explanations, and connect practice with notes, flashcards, reference documents, and progress insights. Your eligible access and study activity stay connected with the CoreStepPrep website. PRACTICE WITH PURPOSE • Create Tutor or Exam blocks by bank, system, discipline, difficulty, and question status • Use Smart blocks, saved presets, question IDs, and assigned curriculum blocks • Keep notes, bookmarks, highlights, scratch paper, calculator, and reference labs close to your questions • Continue already-loaded sessions when your connection is interrupted, with visible save and recovery status • Review correct, incorrect, and unanswered questions, then build focused remediation practice BUILD YOUR STUDY LIBRARY • Search and organize notes with folders and tags; export CSV, Markdown, or PDF • Review and manage flashcards, and export eligible personal or premium Anki decks • Read high-yield documents with contents, search, zoom, favorites, and saved reading progress • Search Core Concepts and move between questions and related explanations UNDERSTAND YOUR PROGRESS • Resume your work from Today and follow recent activity • Explore system and discipline results, accuracy, usage, and available peer comparisons • Use native USMLE, Shelf/CMS, and osteopathic prediction tools • Browse session history and revisit completed reviews MADE FOR APPLE DEVICES • A compact iPhone workspace and adaptive iPad and Mac sidebars • Native touch, pointer, and keyboard controls • Handoff, shortcuts, and links that return to your study context • Widgets and Live Activities on supported iPhone and iPad devices • Question of the Day, Live Quiz, and contextual support Some content and features require eligible CoreStepPrep access. Step 1 and Step 2 access may be purchased separately. Subscription availability and terms are shown before purchase. Internet access is required to load new content and synchronize changes; offline continuation applies to sessions already loaded on that device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://corestepprep.com/#/privacy

About

EvidenceLens

Verify the accuracy of online content, including YouTube videos, web articles, and PDFs. It cross-references claims with a vast database of research to provide clear verdicts and sources.

Highlights
  • Summarize content and key takeaways
  • Verify factual claims
  • Access cited research
  • Ask follow-up questions
  • Save analyses
Features
Read full description

Turn long YouTube videos into concise summaries—and see whether their key claims are supported by research. Paste a YouTube link to get the main ideas and key takeaways without watching every minute. EvidenceLens can then identify factual claims, compare them with an index of more than 100 million scholarly works, and show a clear verdict with sources you can inspect. SUMMARIZE VIDEOS AND LONG-FORM CONTENT • Summarize YouTube videos • Get key takeaways in plain language • Understand web articles and PDF documents faster • Ask follow-up questions about the source CHECK CLAIMS AGAINST RESEARCH • Check claims one by one: supported, refuted, mixed, or inconclusive • Open the research behind each verdict • See context, confidence, and important caveats • Save useful analyses for later MORE THAN A VIDEO SUMMARIZER Most AI summaries tell you what a video says. EvidenceLens also helps you see what published research says about it. EvidenceLens is useful for students, researchers, journalists, educators, and anyone who wants to learn faster without taking every online claim at face value. EvidenceLens works best with factual and scientific topics such as health, nutrition, psychology, climate, and technology. Results depend on the source material and available research. Important: EvidenceLens is an informational research assistant. AI-generated analysis can contain errors and is not medical, legal, or other professional advice. Check primary sources before making important decisions. EvidenceLens is not affiliated with or endorsed by YouTube. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Core Step Prep3 screens
EvidenceLens4 screens

Verdict

The call

The clearest difference is review sentiment: EvidenceLens at 100% against Core Step Prep's 0%. EvidenceLens also leads on rating (5.0 vs 4.0) and iOS requirement (15.0 vs 26.0). On price, ratings volume, update cadence and ads 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 and EvidenceLens sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

EvidenceLens holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of Core Step Prep's written reviews are positive against 100% of EvidenceLens's.

UpkeepUpdate frequency

Core Step Prep ships an update every 6 days, EvidenceLens every 5 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Core Step Prep versus EvidenceLens: the parameters behind the verdict, then further details
ParameterCore Step PrepEvidenceLens
PriceFreeFree
Rating4.0 (2 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 6 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.015.0 — better
Further details — not scored
Size19 MB44 MB
Age rating12+4+
DeveloperTerry TrentOnitum Software Marek Karwacki

Customer experience

Core Step Prep

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

EvidenceLens

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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
2 purchases

EvidenceLens

Subscriptions2
  • EvidenceLens Plus Monthly$5.991 Month
  • EvidenceLens Plus Annual$34.991 Year

Questions

Is Core Step Prep free?
Core Step Prep is free to download, with in-app purchases available.
Is EvidenceLens free?
EvidenceLens is free to download, with in-app purchases available.
Which has better reviews, Core Step Prep or EvidenceLens?
EvidenceLens is rated higher. Core Step Prep averages 4.0 out of 5 from 2 ratings, while EvidenceLens averages 5.0 from 2 ratings.
Do Core Step Prep or EvidenceLens have ads?
Neither Core Step Prep nor EvidenceLens shows ads.
Which is updated more often, Core Step Prep or EvidenceLens?
Core Step Prep ships an update every 6 days, and EvidenceLens every 5 days. Most recently, Core Step Prep was updated on October 30, 2026 and EvidenceLens on October 31, 2026.

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