Study Lock vs QuizLok
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Study Lock
This app blocks distracting applications until you complete study sessions. It uses AI to generate personalized quizzes and flashcards from your course materials, rewarding you with screen time for correct answers. Track your progress with detailed statistics and spaced repetition.
- AI-generated quizzes and flashcards
- Import course material from PDF, photos, text
- App blocking via Screen Time integration
- Spaced repetition learning algorithm
- Oral analysis with AI evaluation
- Progress tracking and statistics
- Pomodoro timer with Live Activity
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Study Lock blocks your distracting apps until you study. Import your courses from PDF, photos, or plain text, and the app generates personalized quiz questions, flashcards, and oral analysis exercises, all powered by AI. How it works: Import your course material in any format. AI instantly creates quiz questions, flashcards, and oral analysis prompts covering the full content. Select which apps to block using Screen Time. When you try to open a blocked app, Study Lock asks you to study first. Answer correctly and earn screen time as a reward. The harder the question, the more time you unlock. Oral analysis lets you explain concepts out loud while AI evaluates your understanding and gives you a detailed correction. Every question follows a spaced repetition algorithm so you focus on what you actually need to review. Your progress is tracked with streaks, mastery percentages, and detailed session statistics. Study Lock is built for students who want real results without relying on willpower alone. It turns the time you spend on your phone into structured study sessions. Key features: AI-generated quizzes, flashcards, and oral exercises from any course material. PDF, photo, and text import with full-document coverage. Screen Time integration to block and unblock apps based on study performance. Spaced repetition scheduling adapted to your level. Oral analysis with speech recognition and AI-powered evaluation. Pomodoro timer with Live Activity support. Detailed statistics including streaks, accuracy, study time, and earned screen time. Works in any language. No ads. No gimmicks. Just a simple system that works. Privacy Policy: https://studylock.framer.website/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
QuizLok
This app blocks distracting applications, requiring users to pass AI-generated quizzes on chosen topics to unlock them. It helps users earn screen time by learning, making it ideal for both personal productivity and parental control.
- AI-generated quizzes
- Customizable app blocking
- Earned screen time
- Progress tracking reports
- Bypass-proof setup
- Subscription-based learning
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Screen time you earn — not screen time you fight over. QuizLok blocks the apps that eat your day and gives them back only after you pass a short, AI-generated quiz. Learn something, unlock something. It's that simple. HOW IT WORKS 1. Pick topics — math, science, history, or your own custom subjects. 2. Block apps — choose what stays locked until a quiz is passed. 3. Take a quiz — fresh AI questions every time, adapted to the right level. No memorizing answers. 4. Earn screen time — pass, and your apps unlock for the time that was set. FOR FAMILIES Stop being the bad guy. Set the rules once and let QuizLok enforce them. • Choose which apps are locked and how much time a passed quiz earns • Steer what your child studies • Weekly report cards show what they're actually learning • A bypass-proof setup with no easy off switch — nothing kids can quietly get around FOR YOU Not a parent? QuizLok works just as well on yourself. • Turn doomscrolling into study time • Prep for a cert or exam while you earn your break • Built for anyone who knows willpower runs out — future-you can't bargain with present-you WHY IT WORKS Willpower isn't the answer, and neither is another timer you'll just tap "ignore" on. QuizLok puts a small, useful task between you and the apps you're trying to use less — so the time you spend is time you chose. GIVING BACK 3% of every QuizLok subscription goes to the Planet Water Foundation to bring clean water to communities that need it. Requires an active subscription. Monthly and yearly plans available. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is monetization model: Study Lock at freemium against QuizLok's subscription. QuizLok's advantage is rating (4.9 vs 4.5) and device support (3 vs 1). 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
Both are free to download. Study Lock sells 2 in-app purchases, starting at $5.99 per month and QuizLok sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
QuizLok holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 11 and 14 respectively.
Study Lock ships an update every 10 days, QuizLok every 8 days. Both last shipped on October 31, 2026.
| Parameter | Study Lock | QuizLok |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) | 4.9 (14 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 11 | 14 — better |
| Update frequency | Every 10 days | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium — better | Subscription |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17 | 15.1 — better |
| Further details — not scored | ||
| Size | 42 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Ethan Dietrich | QUIZLOK LLC |
Customer experience
Study Lock
QuizLok
In-app purchases
Study Lock
- Monthly Pro$5.991 Month
- Annual Pro3 Days trial$34.991 Year
QuizLok
- Individual Monthly7 Days trial$5.991 Month
- Individual Yearly7 Days trial$49.991 Year









