Comparison

Flashcard Blocker vs LearnLocker

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

Head to head
About

Flashcard Blocker

Transform idle screen time into vocabulary learning opportunities. This app blocks distracting apps, replacing your urge to scroll with educational flashcards. Learn new words passively throughout the day without dedicated study sessions.

Highlights
  • Smart app blocker for social media and video apps
  • Vocabulary flashcards on every phone unlock
  • Spaced repetition learning algorithm
  • 1,080+ curated words or custom lists
  • Streak tracking for daily learning habits
  • Focus and Dumb Phone modes
  • 100% offline and private
Features
Read full description

Every time you reach for Instagram, TikTok, or YouTube, LearnScreen shows you a vocabulary flashcard instead. Turn screen time into learn time — 1,000+ new words a year, passively. You don't fight the phone. You don't add another daily study session. You learn in the exact moments you'd otherwise be scrolling. WHY LEARNSCREEN The average person unlocks their phone 96 times a day. That's 96 wasted micro-moments — or 96 chances to actually learn something. Most language apps fail because they require willpower and a daily streak. Most screen-time blockers fail because they require willpower too. LearnScreen needs neither. It hijacks the impulse you already have and turns it into vocabulary. KEY FEATURES • Smart app blocker — Block distracting apps like TikTok, Instagram, YouTube, X, Reddit, Snapchat with one tap • Vocabulary flashcards on every unlock — Learn words in 11 languages: English, Spanish, German, French, Italian, Portuguese, Russian, Polish, Japanese, Korean, Chinese • Spaced repetition (SM-2, Anki-style, Leitner system) — Words come back at the optimal interval so they actually stick • 1,080+ curated words built in — Or add your own custom word lists • Streak tracking — Build a daily learning habit without daily lessons • Focus mode and Dumb Phone mode — Get the discipline of a feature phone without buying one • Digital detox built in — Less mindless scrolling, more real knowledge • 100% offline and private — No account needed, no data leaves your device • Designed for iPhone — Native, fast, minimalist, no ads HOW IT WORKS 1. Pick which apps to block — TikTok, Instagram, or whatever steals your time 2. Try to open a blocked app 3. A flashcard appears: a foreign word with translation and pronunciation 4. Answer correctly and the app unlocks for a short window 5. Words you learn repeat at scientifically optimal intervals (spaced repetition) 6. Over weeks, your vocabulary compounds while your screen time falls PERFECT FOR • Language learners building vocabulary for English, Spanish, German, French, Italian, Portuguese, Russian, Polish, Japanese, Korean or Chinese • Students preparing for exams (TOEFL, IELTS, SAT, GRE) • Adults rebuilding a daily learning habit • Anyone trying to reduce phone addiction or mindless scrolling • People curious about dumb phones who still need a smartphone • Digital minimalists, ADHD-friendly focus seekers, parents managing their own screen time WHAT MAKES IT DIFFERENT Duolingo asks you to open another app. LearnScreen meets you where you already are — the lock screen. No daily streak guilt. No tutorial maze. Anki is the gold standard for memory but has a steep curve. LearnScreen ships the same SM-2 spaced-repetition algorithm with zero setup — preloaded words, instant card flow, automatic intervals. Pure screen-time blockers (Opal, one sec, ScreenZen) make scrolling harder. LearnScreen makes the alternative more rewarding: every blocked unlock returns something you keep. THE SCIENCE Spaced repetition has been studied for 40+ years — from Ebbinghaus's forgetting curve to modern SM-2 and FSRS implementations. The algorithm shows you each word right before you'd forget it, so 5 reviews lock a word in long-term memory. LearnScreen runs SM-2 by default. Terms of Use: https://learnscreen.vercel.app/terms.html Privacy Policy: https://learnscreen.vercel.app/privacy.html Start turning screen time into learn time. Download LearnScreen.

About

LearnLocker

Features
Read full description

Your apps stay locked until you've done your studying. LearnLocker turns studying into the unlock key for your apps. Pick what gets shielded, choose your daily unlock gate, and earn access when you finish. HOW IT WORKS 1. Choose the apps you want locked 2. Set your unlock gate: Flashcards or Quiz 3. Finish today's studying for that gate 4. Your apps open, then re-lock when more study is due or your unlock window ends. Midnight always resets the lock. FLASHCARDS Import Anki decks or spreadsheets and review with spaced repetition. Clear today's reviews and new cards to unlock when Flashcards is your gate. Apps re-lock if reviews pile up, so you study again to get back in. Reviews stay on your device. AI QUIZZES Upload a PDF, Word doc, or photo. LearnLocker turns your notes into a quiz. Pass your unlock quizzes to open apps for a timed window when Quiz is your gate. When the window ends, pass them again to unlock. RE-LOCK Access is earned, not all-day. Flashcards re-lock when your review pile grows. Quizzes re-lock when your unlock window ends. A new day always starts locked. Study again to unlock. BUILT FOR FOCUS • One unlock gate at a time • Daily streaks and progress tracking • App shielding powered by Apple’s Screen Time frameworks • No accounts, no ads, no selling your data SUBSCRIPTION LearnLocker requires a subscription after onboarding. Monthly or yearly. The yearly plan includes a 7-day free trial. Deleting the app does not cancel a subscription. Payment is charged to your Apple ID through the App Store. Stay off your apps. Stay on your goals. Terms of Use (EULA): https://learnlocker.app/terms Privacy Policy: https://learnlocker.app/privacy

Screenshots

Flashcard Blocker4 screens
LearnLocker4 screens

Verdict

The call

Flashcard Blocker and LearnLocker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Flashcard Blocker sells 3 in-app purchases, starting at $4.99 per month and LearnLocker sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

ScorecardNo meaningful differences
Flashcard Blocker versus LearnLocker: the parameters behind the verdict, then further details
ParameterFlashcard BlockerLearnLocker
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone
Requires iOS18.017.0 — better
Further details — not scored
Size34 MB13 MB
Age rating4+4+
DeveloperRoman GruninRobert Maeda

In-app purchases

3 purchases

Flashcard Blocker

Subscriptions2
  • PRO - Monthly7 Days trial$4.991 Month
  • PRO - annual7 Days trial$19.991 Year
One-time1
  • PRO - Lifetime$59.99
2 purchases

LearnLocker

Subscriptions2
  • Learn Locker$9.991 Month
  • Learn Locker7 Days trial$59.991 Year

Questions

Is Flashcard Blocker free?
Flashcard Blocker is free to download, with in-app purchases available.
Is LearnLocker free?
LearnLocker is free to download, with in-app purchases available.
Do Flashcard Blocker or LearnLocker have ads?
Neither Flashcard Blocker nor LearnLocker shows ads.
Which is updated more often, Flashcard Blocker or LearnLocker?
Flashcard Blocker ships an update weekly, and LearnLocker weekly. Most recently, Flashcard Blocker was updated on September 20, 2026 and LearnLocker on September 13, 2026.

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