# MathBlocker: Stop Scrolling โ€” App Blocker & Math Practice > Math problems block app access to reduce scrolling time and encourage practice. (iPhone/iPad app by Andy Phu.) - Source: https://appshunter.io/ios/app/mathblocker-stop-scrolling/id6761896675 (this page in markdown: same URL + `.md`) - Developer: [Andy Phu](https://appshunter.io/developer/1775862376) - Category: Productivity - Price: Free - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 26.0 ยท 32 MB - Languages: American English - Released: 2026-04-15 - Data updated: 2026-07-18 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/mathblocker-stop-scrolling/id6761896675/reviews.md ## What is MathBlocker? MathBlocker puts a math problem between you and the apps you open too much. You pick the apps you want blocked. When you try to open one after your time's up, a math question shows up instead. You answer it, you get a few minutes back. You don't, the app stays closed. The questions are real. They come from the same problem sets people use to study for the SAT, ACT, AMC, and AIME. You can set the difficulty. Easy questions if you just want a speed bump. Harder ones if you actually want to stop scrolling. Features - Block any app or category โ€” social, video, games, news, browsers - Pick your difficulty, from warmup arithmetic to competition-level - Choose your problem set: SAT, ACT, AMC, AIME, Putnam, or general practice - Earn time back per problem solved (you set how much) - Daily, weekly, and per-app limits - Schedule blocks by time of day (bedtime, study hours, work hours) - Dashboard with usage broken down by app, hour, and day - Custom block screen so it actually feels like a stop sign - Works with Family Sharing if you're setting it up for someone younger A few ways people use it: blocking social apps during work hours. Locking everything after 10pm with hard math. Pairing it with actual SAT prep so the time you would've spent scrolling becomes practice instead. Everything stays on your phone. No account, no login, no data sent anywhere. iOS 16 and up. iPhone only. ## Key features - Block any app or category - Adjustable math problem difficulty - Choose from various standardized test problem sets - Earn back app time by solving problems - Set daily, weekly, and per-app limits - Schedule blocks by time of day - Usage dashboard ## Frequently asked questions about MathBlocker ### What is MathBlocker? MathBlocker is an app designed to help you reduce time spent on certain applications. It presents a math problem before allowing access to chosen apps, acting as a barrier to excessive scrolling. ### How does MathBlocker work? You select the apps you want to block. When you attempt to open a blocked app after your allotted time, a math question appears. Correctly answering the question grants you a short period of access. ### What kind of math problems does MathBlocker use? The app utilizes problem sets commonly found in standardized tests such as the SAT, ACT, AMC, and AIME. You can select the difficulty level, from basic arithmetic to more challenging competition-level problems. ### Can I customize how much time I earn back? Yes, you can set how much time you earn back for each math problem solved. This allows you to tailor the reward system to your needs and how much you want to incentivize practice. ### Does MathBlocker have ads? No, MathBlocker is ad-free. The application does not display advertisements, ensuring an uninterrupted experience while you focus on managing your app usage and practicing math. ### What devices does MathBlocker support? MathBlocker is currently supported on iPhones. It is designed to work with Apple's iOS operating system. ### How often is MathBlocker updated? MathBlocker was last updated on April 15, 2026, with version 1.0. As a new release, users can expect future updates to introduce new features and improvements. ### Is MathBlocker suitable for younger users? Yes, MathBlocker is rated for ages 4 and up and works with Family Sharing. This makes it a useful tool for parents who want to help younger family members manage their screen time and practice academic skills. ## Version history (last 1 release) ### 1.0 โ€” 2026-04-15 No release notes. ## More apps by Andy Phu - [simpleblocker by recursn](https://appshunter.io/ios/app/simpleblocker-by-recursn/id6760186901) All apps by Andy Phu: https://appshunter.io/developer/1775862376 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*