Flashcard Blocker vs MathGate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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LearnScreen combines vocabulary practice with limits on distracting apps. Choose a built-in word set or add your own words. Review them with flashcards and spaced repetition. Select the apps you want to limit, choose a blocking mode, and set the days and times when it applies. Use short reviews and time earned through practice to manage access to your selected apps. Learning and access options depend on the mode you choose. Start with words you want to remember and a schedule that fits your routine. Terms of Use: https://learnscreen.vercel.app/terms.html Privacy Policy: https://learnscreen.vercel.app/privacy.html
MathGate
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Lock the apps your kids love until the math is done. MathGate puts Apple's Screen Time shield over the apps you choose. Your child solves a short streak of math problems to earn a timed unlock, then the lock comes back on its own. One purchase, no subscription, no account, nothing to manage after setup. WHY PARENTS PICK MATHGATE • Set it once and forget it. The shield re-locks automatically when earned time runs out. • Pay $4.99 one time for Lifetime Unlock. No monthly fees, ever. Family Sharing supported. • No account, no sign-in, no data leaves the device. • Built on Apple's Screen Time technology, so the lock holds even if MathGate is closed or force quit. • No nagging and no timers to police. Screen time has to be earned. REAL MATH PRACTICE, A FEW MINUTES AT A TIME • Addition, subtraction, multiplication, and division • Times tables, math facts, and mental math • Difficulty by grade level, from early elementary through middle school • Every unlock is a mini practice session, so idle screen time turns into daily review HOW IT WORKS 1. Create a parent PIN and pick the apps or categories to lock 2. Choose the problem types, difficulty, and how many correct answers in a row it takes 3. Your child solves the streak and earns a set amount of screen time 4. When time is up the shield returns and the next unlock takes another round of math FREE AND LIFETIME The free version locks up to 3 apps with every problem type and difficulty, so you can try the full loop before you buy. Lifetime Unlock is a single $4.99 purchase that opens unlimited apps, whole categories and Block Everything, for every device in your family. A screen time app blocker and a math tutor in one. Works on iPhone and iPad. Requires Screen Time to be enabled on the child's device.
Screenshots
Verdict
Flashcard Blocker and MathGate 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
Both are free to download. Flashcard Blocker sells 3 in-app purchases, starting at $4.99 per month and MathGate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Flashcard Blocker ships an update weekly, MathGate fortnightly. Both last shipped on October 28, 2026.
| Parameter | Flashcard Blocker | MathGate |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Roman Grunin | Eric Fortuna |
In-app purchases
Flashcard Blocker
- PRO - Monthly7 Days trial$4.991 Month
- PRO - annual7 Days trial$19.991 Year
- PRO - Lifetime$59.99
MathGate
- Lifetime Unlock$4.99









