# UWorld MCAT Prep vs Segment Loop Master

The clearest difference is update cadence: Segment Loop Master at daily against UWorld MCAT Prep's monthly. UWorld MCAT Prep's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UWorld MCAT Prep ships an update monthly, Segment Loop Master daily. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | UWorld MCAT Prep | Segment Loop Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (157 ratings)](https://appshunter.io/ios/app/uworld-mcat-prep-score-higher/id1248501386/reviews)** | — |
| Number of ratings | **157** | — |
| Positive reviews | 35.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 215 MB | 3 MB |
| Requires iOS | **16.0** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [UWorld LLC](https://appshunter.io/developer/340946910) | [chang yushun](https://appshunter.io/developer/1114251330) |

## What reviewers say

### UWorld MCAT Prep

[App page](https://appshunter.io/ios/app/uworld-mcat-prep-score-higher/id1248501386)

Prepare for the MCAT with a comprehensive suite of study tools. Access interactive ebooks, video lessons, flashcards, and a question bank with detailed explanations. Track your progress with practice exams and performance analytics to achieve your best score.

**Highlights:** 3,000+ MCAT-style practice questions, Detailed step-by-step explanations, Interactive UBooks with concept check questions, Hundreds of short video lessons, Spaced repetition flashcards, 4 AAMC practice exams, Performance tracking and analytics

**In-app purchases:** none


### Segment Loop Master

[App page](https://appshunter.io/ios/app/segment-loop-master/id6760872974)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UWorld MCAT Prep free?

UWorld MCAT Prep is free to download, with no in-app purchases.

### Is Segment Loop Master free?

Segment Loop Master is free to download, with no in-app purchases.

### Do UWorld MCAT Prep or Segment Loop Master have ads?

Neither UWorld MCAT Prep nor Segment Loop Master shows ads.

### Which is updated more often, UWorld MCAT Prep or Segment Loop Master?

UWorld MCAT Prep ships an update monthly, and Segment Loop Master daily. Most recently, UWorld MCAT Prep was updated on October 5, 2026 and Segment Loop Master on September 27, 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.*