Lockin App Blocker

Lock distracting apps and sites, solve before you unlock, and use 15/30/60 minute ON or OFF timers for short focus sessions and breaks.

Stay locked in

Lockin helps you break free from the endless pull of short-form videos and social media.

Turn it on to block distracting websites and apps at the system level. When you try to turn it off, Lockin adds deliberate friction first, giving your future self a few extra seconds to choose focus.

KEY FEATURES

Powerful Blocking

• System-level blocking of websites and apps
• One-tap batch block for TikTok, Instagram, YouTube, and other short-form platforms
• Works across all browsers, including Safari

Friction System — The Core Mechanic

• Free: Solve one math teaser and one chart teaser before unblocking
• Paid ($0.99 lifetime): Solve 1–100 customizable math and chart challenges
• Makes impulsive unblocking feel like actual work — so you only do it when you mean it

GitHub-Style Contribution Widget

• Home screen widget shows your ON-mode time as a contribution graph
• See at a glance how consistently you have held focus each day
• Tap the widget to instantly add a URL from your clipboard to the block list

Simple ON/OFF Control

• ON mode: blocking active
• OFF mode: unblocked (requires passing your friction challenge)
• Temporary ON: start a 15, 30, or 60 minute focus sprint
• Temporary OFF: take a short break and let Lockin re-lock automatically
• No complicated schedules. Just clear commitment controls.

9 Languages + Emoji Mode Korean, English, Japanese, Simplified Chinese, Traditional Chinese, German, French, Spanish — and a fun Emoji mode for when you need a little levity.

Free to Start, $0.99 to Upgrade

• Free tier: unlock after one math teaser and one chart teaser
• Lifetime ($0.99): unlock premium math and chart challenge modes

PRIVACY FIRST

No servers. No accounts. No data collection. All data stays on your device. Optional iCloud sync between your own devices.

Lock in your focus today.