Notes on attention, friction and the physical way to block distracting apps on Android.https://lock-app.fr/enhttps://lock-app.fr/blog/built-an-app-blocker-still-dont-use-it/https://lock-app.fr/blog/built-an-app-blocker-still-dont-use-it/App blockers rarely fail by getting uninstalled. They go quiet and you stop noticing. What the research found, and what I keep getting wrong as the developer.Sun, 04 Oct 2026 00:00:00 GMThttps://lock-app.fr/blog/how-much-time-app-blocker-gives-back/https://lock-app.fr/blog/how-much-time-app-blocker-gives-back/The honest answer, with numbers from the studies that measured it, plus a seven day protocol to find yours instead of trusting a marketing page.Tue, 01 Sep 2026 00:00:00 GMThttps://lock-app.fr/blog/pomodoro-break-phone-distraction/https://lock-app.fr/blog/pomodoro-break-phone-distraction/The 25 minutes of work are the easy part. The 5-minute break is where the technique falls apart, and here is what the research actually says about it.Tue, 25 Aug 2026 00:00:00 GMThttps://lock-app.fr/blog/brick-alternatives-nfc-app-blockers-compared/https://lock-app.fr/blog/brick-alternatives-nfc-app-blockers-compared/Brick, Foqos, Unpluq, Bloom, Blok, Switchly, Lock: price, hardware, subscription or not, and where each falls short. An honest comparison, with the numbers.Tue, 18 Aug 2026 00:00:00 GMThttps://lock-app.fr/blog/phone-distraction-while-ai-writes-code/https://lock-app.fr/blog/phone-distraction-while-ai-writes-code/Coding with agents creates dozens of small waits a day. Here is why the phone fills them, what the research actually says, and what to do about it.Tue, 18 Aug 2026 00:00:00 GMThttps://lock-app.fr/blog/block-apps-android-nfc-tag/https://lock-app.fr/blog/block-apps-android-nfc-tag/Which NFC tag to buy, how to set up Lock, where to put the tag so it actually helps, and the safety nets that keep you from getting stuck. Free, no account.Thu, 16 Jul 2026 00:00:00 GMThttps://lock-app.fr/blog/willpower-is-not-a-feature/https://lock-app.fr/blog/willpower-is-not-a-feature/App timers fail like diets do: the exit is one tap away. What works is moving the exit off your phone. On friction, commitment devices, and a cheap NFC tag.Fri, 12 Jun 2026 00:00:00 GMT