# CLocked App vs PrepGo

The clearest difference is rating: PrepGo at 4.3 against CLocked App's 1.2. PrepGo also leads on review sentiment (23% vs 5%) and device support (3 vs 1). CLocked App's advantage is in-app purchases (none vs 10). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. PrepGo sells 10 in-app purchases, starting at $19.99 per month. CLocked App asks for nothing beyond the download.

PrepGo holds the better App Store score, 4.3 against 1.2. Both are backed by a comparable volume of ratings — 146 and 315 respectively. Written reviews point the same way: 5% of CLocked App's written reviews are positive against 23% of PrepGo's.

Both ship on a similar rhythm, roughly every 9 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | CLocked App | PrepGo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (146 ratings)](https://appshunter.io/ios/app/clocked-app/id6749594147/reviews) | **[4.3 (315 ratings)](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286/reviews)** |
| Number of ratings | 146 | **315** |
| Positive reviews | 4.5% of reviews | **22.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 84 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [CLocked Mobile](https://appshunter.io/developer/1831351022) | [StudyX Inc.](https://appshunter.io/developer/1571844481) |

## What reviewers say

### CLocked App

[App page](https://appshunter.io/ios/app/clocked-app/id6749594147)

This app helps students focus during class by limiting access to non-essential applications. Schools and teachers can customize allowed apps, while individual accommodations are supported. It uses a QR code system for easy activation and automatically lifts restrictions after class.

**Highlights:** QR code clock-in for class mode, Teacher-defined allowed app lists, Individual student accommodations, Automatic restriction removal, Secure, privacy-focused design

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

**In-app purchases:** none


### PrepGo

[App page](https://appshunter.io/ios/app/prepgo-ap-exam-prep/id6753966286)

Master AP exams with a gamified learning experience. Study guides, flashcards, and quizzes are presented in a fun, visual format to help you track progress and identify weak spots. Conquer your exams with expert-verified content and engaging practice questions.

**Highlights:** Expert-verified study guides, Gamified visual learning map, Daily streaks and energy system, Smart flashcards, AP-style quizzes, Progress tracking dashboard, Covers 30+ AP subjects

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepGo Plus Monthly | $19.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $29.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus Monthly | $49.99 | per month |
| PrepGo Plus 6-Month | $89.99 | per 6 months |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |
| PrepGo Plus Annual | $239.99 | per year |


## Frequently asked questions

### Is CLocked App free?

CLocked App is free to download, with no in-app purchases.

### Is PrepGo free?

PrepGo is free to download, with in-app purchases available.

### Which has better reviews, CLocked App or PrepGo?

PrepGo is rated higher. CLocked App averages 1.2 out of 5 from 146 ratings, while PrepGo averages 4.3 from 315 ratings.

### Do CLocked App or PrepGo have ads?

Neither CLocked App nor PrepGo shows ads.

### Which is updated more often, CLocked App or PrepGo?

CLocked App ships an update every 9 days, and PrepGo every 9 days. Most recently, CLocked App was updated on November 5, 2026 and PrepGo on November 5, 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.*