Comparison

Study Lock vs QuizLok

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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/

About

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.

Highlights
  • AI-generated quizzes
  • Customizable app blocking
  • Earned screen time
  • Progress tracking reports
  • Bypass-proof setup
  • Subscription-based learning
Features
Read full description

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

Study Lock4 screens
QuizLok4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Study Lock ships an update every 10 days, QuizLok every 8 days. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
Study Lock versus QuizLok: the parameters behind the verdict, then further details
ParameterStudy LockQuizLok
PriceFreeFree
Rating4.5 (11 ratings)4.9 (14 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings1114 — better
Update frequencyEvery 10 daysEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium — betterSubscription
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS1715.1 — better
Further details — not scored
Size42 MB46 MB
Age rating4+4+
DeveloperEthan DietrichQUIZLOK LLC

Customer experience

Study Lock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

QuizLok

All ratings14 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Study Lock

Subscriptions2
  • Monthly Pro$5.991 Month
  • Annual Pro3 Days trial$34.991 Year
2 purchases

QuizLok

Subscriptions2
  • Individual Monthly7 Days trial$5.991 Month
  • Individual Yearly7 Days trial$49.991 Year

Questions

Is Study Lock free?
Study Lock is free to download, with in-app purchases available.
Is QuizLok free?
QuizLok is free to download, with in-app purchases available.
Which has better reviews, Study Lock or QuizLok?
QuizLok is rated higher. Study Lock averages 4.5 out of 5 from 11 ratings, while QuizLok averages 4.9 from 14 ratings.
Do Study Lock or QuizLok have ads?
Neither Study Lock nor QuizLok shows ads.
Which is updated more often, Study Lock or QuizLok?
Study Lock ships an update every 10 days, and QuizLok every 8 days. Most recently, Study Lock was updated on October 31, 2026 and QuizLok on October 31, 2026.

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