Comparison

Studocu vs Study Lock

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

Head to head
About

Studocu

Record lectures, generate AI quizzes, and get instant homework help. Access over 50 million student notes and study materials to ace your exams. Study smarter with AI-powered tools and a vast resource library.

Highlights
  • Lecture recording and transcription
  • AI-generated summaries and quizzes
  • AI homework helper and math solver
  • Access to 50M+ student notes
  • Cross-device syncing
  • Course-specific study materials
Read full description

Ace your exams with Studocu, the AI study app trusted by millions of students worldwide. From recording lectures and generating AI quizzes, to using the Ask AI tutor and accessing 50M+ real student notes, it has everything you need to succeed. Key Features: Lecture Recorder: Never miss anything in your lecture - Record lectures, classes, seminars, and study groups directly in the app. - Generate full transcripts for accurate note-taking and organize them by course - Get instant AI summaries of recordings with key learning points, detailed topic notes, exam call-outs, and action items - Turn recordings into quizzes with one tap to test your knowledge or revise before an exam - Schedule reminders so you never miss recording an important lecture AI Quiz: Test your knowledge and revise your study notes - Turn any document you find on the app into an AI quiz instantly with one tap - Get instant feedback and explanations for questions, or try again to keep practicing until you master the topics - Generated practice quizzes organized in the practice tab to revisit them later easily Ask AI: Snap a photo to ask or solve - Get instant homework help when you are stuck on a difficult assignment or textbook question - Ask any study-related question or use it as a math solver to receive clear, step-by-step explanations for tough subjects like math, science, and languages - Get the best possible answers as Studocu combines advanced AI with millions of real student notes to deliver highly accurate, reliable guidance - Ask follow-up questions to clarify confusing concepts and ensure you fully understand the material before exam day Student Notes: Real notes uploaded by students - Access a massive library of 50M+ study resources, including lecture notes, practice materials, detailed course summaries, essays, and tutorial work - Find materials specific to your university and exact courses to ensure you are studying the most relevant content - Learn from top students by reviewing their shared assignments and study guides to boost your own grades - Share notes with friends to easily collaborate and study together - Ask AI anything about the document or create a practice quiz from it instantly with just one tap Why students love Studocu - All-in-one education and study companion that combines a massive library of real student notes with powerful AI tools in a single app. - Save hours of study time by letting the AI do the heavy lifting of transcribing lectures and creating quizzes while students focus on learning. - Improve academic performance through instant AI quizzes and a built-in AI homework helper exactly when students need it. - Study anywhere and anytime by syncing your notes, quizzes, and recordings across devices. From instant homework help to advanced lecture recording, Studocu is the app for students who want to study smarter, not harder. Download now to record and transform your lectures into notes, summaries, and quizzes! Support and Info: Customer Support: https://www.studocu.com/en/support Privacy Policy: https://www.studocu.com/en/privacy-policy Terms of Use: https://www.studocu.com/en/terms

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/

Screenshots

Studocu4 screens
Study Lock4 screens

Verdict

The call

The clearest difference is monetization model: Studocu at free against Study Lock's freemium. Studocu also leads on ratings volume (5.9K vs 11) and rating (4.8 vs 4.5). On price, update cadence, ads and in-app purchases 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. Studocu sells 5 in-app purchases, starting at $34.99 per 3 months and Study Lock 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

Studocu holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Studocu has 5.9K ratings behind it against 11, so its average is the more settled of the two.

UpkeepUpdate frequency

Studocu ships an update weekly, Study Lock every 10 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Studocu versus Study Lock: the parameters behind the verdict, then further details
ParameterStudocuStudy Lock
PriceFreeFree
Rating4.8 (5.9K ratings) — better4.5 (11 ratings)
Positive reviews47.7% of reviews—
Number of ratings5.9K — better11
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17
Further details — not scored
Size109 MB42 MB
Age rating+44+
DeveloperStuDocuEthan Dietrich

Customer experience

Studocu

All ratings5,907 ratings
Positive94.1%
Neutral1.5%
Negative4.4%
Written reviews528 reviews
Positive47.7%
Neutral8.7%
Negative43.6%

Study Lock

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

Bugs and requests

Studocu

Reported bugs

3 issues
  • Login issues
  • Inconsistent performance across devices
  • Unreliable transcription and summary generation

Requested features

4 requests
  • Ability to upload and save own notes
  • Option to create custom courses
  • Improved search and filtering
  • Offline access to documents

Study Lock

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Studocu

Subscriptions5
  • Standard Premium (Quarterly)$34.993 Months
  • Standard Premium (Quarterly)3 Days trial$34.993 Months
  • Standard Premium (Yearly)$79.991 Year
Show 2 more
  • Standard Premium (Yearly)3 Days trial$79.991 Year
  • Standard Premium (Yearly)1 Year trial$79.991 Year
2 purchases

Study Lock

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

Questions

Is Studocu free?
Studocu is free to download, with in-app purchases available.
Is Study Lock free?
Study Lock is free to download, with in-app purchases available.
Which has better reviews, Studocu or Study Lock?
Studocu is rated higher. Studocu averages 4.8 out of 5 from 5.9K ratings, while Study Lock averages 4.5 from 11 ratings.
Do Studocu or Study Lock have ads?
Neither Studocu nor Study Lock shows ads.
Which is updated more often, Studocu or Study Lock?
Studocu ships an update weekly, and Study Lock every 10 days. Most recently, Studocu was updated on November 3, 2026 and Study Lock on October 31, 2026.

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