PrepLockin

PrepLockin

GRE Vocab: Block Apps to Study

1 ratings
Free

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Details

Released
April 20, 2026
Updated
April 20, 2026

Features

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About

Learn GRE vocabulary by turning distractions into study sessions. Block social media apps and answer quick quizzes to earn your scroll time. Features illustrated flashcards, spaced repetition, and engaging games to improve word recall.

✓Block distracting apps like TikTok and Instagram
✓958 illustrated flashcards with custom visuals
✓Spaced repetition learning system
✓Three vocabulary games: Match Madness, Word Scramble, Context Detective
✓Widgets for lock screen, home screen, and StandBy
✓Quiz-to-unlock feature using Apple's Screen Time API
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What's New in PrepLockin

1.0

April 20, 2026

FAQ

How does PrepLockin help me study GRE vocabulary?

PrepLockin integrates GRE vocabulary learning into your daily phone usage. It uses features like illustrated flashcards, spaced repetition, and three engaging games to help you master words. The app also blocks distracting apps, turning your desire to scroll into a study opportunity.

What is the 'Quiz-to-Unlock' feature in PrepLockin?

The 'Quiz-to-Unlock' feature allows you to block specific distracting apps like Instagram or TikTok. To regain access, you must answer a short vocabulary quiz. This feature utilizes Apple's Screen Time API to enforce study time.

Does PrepLockin offer a free trial?

Yes, PrepLockin offers a 7-day free trial for full access to all features. After the trial, you can choose between a monthly subscription of $7.99 or an annual subscription of $39.99.

How does PrepLockin's spaced repetition work?

PrepLockin employs a spaced repetition system, specifically the Leitner system, to optimize learning. It determines when you see specific words based on your performance, aiming for three correct answers to mark a word as mastered.

What devices does PrepLockin support?

PrepLockin is currently supported on iPhone devices. The app was released on April 20, 2026, with version 1.0.

How can I cancel my PrepLockin subscription?

You can manage or cancel your PrepLockin subscription through your device's settings. Navigate to Settings > Apple ID > Subscriptions. Remember to cancel at least 24 hours before the end of the current period to avoid auto-renewal.

What is the age rating for PrepLockin?

PrepLockin has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger learners preparing for standardized tests.

Does PrepLockin have ads?

No, PrepLockin does not contain advertisements. The app is designed to be ad-free, allowing for an uninterrupted study experience.