Multiply Fun vs LockStudy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multiply Fun
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Multiply Fun! Lite turns learning multiplication into a fun, interactive adventure. Set in a space-inspired environment, this app makes mastering the 9x9 tables easy and enjoyable for young learners. With engaging animations and a user-friendly design, Multiply Fun! helps kids build math skills and confidence—perfect for home, school, or on the go! Kids can even blast meteors in the Space Math arcade game or print PDF worksheets to practice on paper. Features: - Interactive learning with instant feedback - Feedback on correctness and time taken for each problem - Multiplication table visualization in abacus (Abacus) format - Space Math arcade game—blast the meteor with the correct answer to make practice exciting - Printable PDF worksheets to practice on paper, anytime and offline - Vibrant graphics and animations kids will love Let your child explore the magic of multiplication with Multiply Fun!
LockStudy
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A moment of real focus can change your whole day. Start your flow with LockStudy — a study timer that combines app lock, an app blocker, and smart reports for better deep work. LockStudy helps you stay on track by reducing distractions with phone lock features, and lets you review progress with study report insights and usage stats. □ LockStudy Key Features ◦ Start your flow your way: study timer / pomodoro / deep work ◦ Block distractions: app blocker + app lock (phone lock) for SNS, YouTube, and more ◦ Build a custom session that matches your goals and routine ◦ Quick start anytime with widgets ◦ Keep a clear session history with comments for each focus block ◦ See your progress with a weekly study report and usage stats ◦ Stay consistent with a simple goal tracker that turns focus into results □ Perfect For ◦ Anyone who loses focus even with a plan ◦ Those whose routines break because of SNS or YouTube ◦ People who want a clear record of study time and focus sessions ◦ Students, workers, or creators who need consistent deep work ◦ Anyone who wants a simple tool that helps you focus right now No more worrying when distractions break your focus. LockStudy guides you through Focus → Log → Report, helping you reach your goals. Create today’s session and start with a 25-minute pomodoro now. LockStudy offers a monthly auto-renewable subscription and a one-time lifetime purchase. A 7-day free trial may be available for eligible users, and pricing may vary by country or region. You can manage or cancel your subscription anytime in the app settings. Terms of Use (EULA) & Privacy Policy: https://leeward-ferret-9bb.notion.site/lockstudy-terms-of-service-privacy-policy-en
Screenshots
Verdict
The clearest difference is ads: LockStudy at none against Multiply Fun's shown. Multiply Fun's advantage is update cadence (weekly vs monthly) and iOS requirement (15.6 vs 17.6). On price, in-app purchases and device support 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. Multiply Fun sells 1 one-off in-app purchase and LockStudy sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Multiply Fun ships an update weekly, LockStudy monthly. The most recent releases landed on September 15, 2026 and September 23, 2026 respectively.
| Parameter | Multiply Fun | LockStudy |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 9 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mr.Darcy | Glanz Studio |
In-app purchases
Multiply Fun
- Remove Ads$0.99
LockStudy
- LockStudy Pro Monthly7 Days trial$1.991 Month
- LockStudy Pro Lifetime$22.99








