# DrillLock: Focus App Blocker — Solve math, stop distraction > Math-based app blocker to protect study time and prevent distractions. (iPhone/iPad app by FRONTLINE LLC.) - Source: https://appshunter.io/ios/app/drilllock-focus-app-blocker/id6759181330 (this page in markdown: same URL + `.md`) - Developer: [FRONTLINE LLC](https://appshunter.io/developer/1877229947) - Category: Productivity, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 7 MB - Languages: American English, French (France), German (Germany), Indonesian, Italian, Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish and 3 more - Released: 2026-02-18 - Data updated: 2026-08-29 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/drilllock-focus-app-blocker/id6759181330/reviews.md ## What is DrillLock? For students and working learners protecting serious study time. DrillLock puts a short math checkpoint before distracting apps. It creates a pause between impulse and action, before “just one scroll” takes over. • You open social or video apps before studying and lose momentum • You want your study block to stay clean, intentional, and hard to derail • Screen Time alone is not enough to stop the habit • You are building a routine for college, grad school, certifications, or an MBA later on • Quick Lock Start a 15 min / 30 min / 1 hour lock right away • Schedule Lock Set days and time windows so distracting apps are blocked automatically during study sessions • Usage Limit Lock Start a lock when daily usage goes past your limit • Math Challenge Unlock Put one calculation step between impulse and unlock • Temporary Unlock Unlock briefly only when needed, then let the lock resume • Essential apps for emergencies such as Phone stay available • Screen Time permission is required • Some UI and behavior depend on iOS specifications • Your block settings are stored on your iPhone • PRO subscription Unlock multiple rules, allowlist mode, a daily temporary unlock limit, and Hard math challenges [Terms of Use] Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ DrillLock helps serious learners protect the hours that move them forward. ## Key features - Math challenge to unlock apps - Scheduled app blocking - Usage limit blocking - Temporary unlocks - Essential app exceptions - Multiple rule support (Pro) ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Challenge Pack Yearly | $19.99 | per year | | Challenge Pack Monthly | $2.99 | per month | ## Frequently asked questions about DrillLock ### What is DrillLock? DrillLock is a productivity app designed to help users focus by requiring them to solve a math problem before accessing distracting applications. It aims to create a deliberate pause between the impulse to open an app and the action itself. ### How does DrillLock work? When you attempt to open a blocked app, DrillLock presents a math challenge. Successfully solving it allows temporary access, while failing to solve it or choosing not to prevents access, helping to maintain focus on study or work. ### Does DrillLock have ads? No, DrillLock does not contain advertisements. The app is ad-free, ensuring an uninterrupted user experience focused on productivity. ### What are the subscription options for DrillLock? DrillLock offers a PRO subscription that unlocks multiple rules, allowlist mode, a daily temporary unlock limit, and harder math challenges. Subscription plans include 'Challenge Pack Monthly' for $2.99 with a 7-day free trial and 'Challenge Pack Yearly' for $19.99 with a 14-day free trial. ### Can I customize which apps are blocked by DrillLock? Yes, DrillLock allows for customization. You can set up scheduled locks, usage limits, and the PRO subscription enables allowlist mode for more granular control over which apps are blocked or permitted. ### Is DrillLock available on Android? Based on the provided data, DrillLock is currently only supported on iPhone. Its UI and behavior may also depend on iOS specifications. ### How often is DrillLock updated? The latest version of DrillLock is 2.0.0, last updated on August 1, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ### What is the age rating for DrillLock? DrillLock has an age rating of 4+, making it suitable for a wide range of users, including younger students and adults. ## Version history (last 5 releases) ### 2.0.4 — 2026-08-26 Fixed the weekday selector so all seven days stay readable instead of being cut off. Plus small fixes throughout. ### 2.0.3 — 2026-08-19 A major redesign of the app's structure. ■ Tab navigation Features that were crammed into a single screen are now split across four tabs: Home, Rules, History, and Settings. Checking what's blocked, editing rules, and reviewing your history each have a clear place. ■ Week-over-week comparison in History See how many times you unlocked temporarily and how many times you walked away from an unlock challenge, compared with the previous 7 days. Note: appears once two weeks of records have accumulated. ■ Stronger unlock challenges (PRO) Choose the digit count and the number of questions for the math challenge. If Hard has been too easy for you, turn it up. ■ Other ・Display cleanup ・Bug fixes ### 2.0.2 — 2026-08-14 • Added notification-based unlock from the Screen Time shield, plus clearer guidance for notification settings. • PRO users can now adjust Hard math challenge strength by number size and question count. • Fixed display issues in challenge settings and improved reliability around unlock/relock flows. ### 2.0.1 — 2026-08-12 • PRO is now available as a subscription. • PRO unlocks multiple rules, allowlist mode, daily temporary unlock limits, and Hard math challenges. • Existing paid Challenge Pack access is recognized as PRO. ### 2.0.0 — 2026-08-01 • PRO is now available as a subscription. • PRO unlocks multiple rules, allowlist mode, daily temporary unlock limits, and Hard math challenges. • Existing paid Challenge Pack access is recognized as PRO. ## Apps similar to DrillLock | App | Rating | Price | Category | | --- | --- | --- | --- | | [App Blocker Vocabulary Builder](https://appshunter.io/ios/app/app-blocker-vocabulary-builder/id6752580039) | — | Free | Productivity | | [NumLock: Math Screen Lock](https://appshunter.io/ios/app/numlock-math-screen-lock/id6761402140) | — | Free | Productivity | | [Stop Doomscrolling: Mathunlock](https://appshunter.io/ios/app/stop-doomscrolling-mathunlock/id6758373394) | — | Free | Productivity | | [MathScroll](https://appshunter.io/ios/app/mathscroll/id6754278514) | — | Free | Productivity | | [Tok Blok: Refocus App Blocker](https://appshunter.io/ios/app/tok-blok-refocus-app-blocker/id6751821992) | 5.0 (1) | Free | Productivity | | [MathBlocker: Stop Scrolling](https://appshunter.io/ios/app/mathblocker-stop-scrolling/id6761896675) | 5.0 (1) | Free | Productivity | --- *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 2026-08-29.*