# Core Step Prep vs EvidenceLens

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.

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.

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.

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.

## The numbers

| Metric | Core Step Prep | EvidenceLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/core-step-prep/id6752342447/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/evidencelens-video-summarizer/id6762130726/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 19 MB | 44 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Terry Trent](https://appshunter.io/developer/1838959049) | [Onitum Software Marek Karwacki](https://appshunter.io/developer/1893053151) |

## What reviewers say

### Core Step Prep

[App page](https://appshunter.io/ios/app/core-step-prep/id6752342447)

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:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USMLE Step 1 Qbank - 1 wk access | $9.99 | per 7 days |
| USMLE Step 2 CK Qbank - 1 wk access | $9.99 | per 7 days |
| USMLE Step 1 Qbank - 1 mo. access | $29.99 | per month |
| USMLE Step 2 CK Qbank - 1 mo access | $29.99 | per month |
| USMLE Step 2 CK Qbank - 6 mo access | $99.99 | per 6 months |
| USMLE Step 1 Qbank - 6 mo access | $99.99 | per 6 months |


### EvidenceLens

[App page](https://appshunter.io/ios/app/evidencelens-video-summarizer/id6762130726)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EvidenceLens Plus Monthly | $5.99 | per month |
| EvidenceLens Plus Annual | $34.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*