Local-first
Core blocking, selection, grading, adaptation, and unlocks are designed to run on-device.
The product
A smarter way through the block.
Instead of only stopping you from opening distracting apps, Latch lets you earn temporary access by completing short questions from subjects you actually care about. Coming soon to iOS and Android.
9:41
Earn 10 minutes
SpanishStage 2 · 1002
Everyday phrases
What does ¿Cuánto cuesta? ask?
Personal, not permissive
Difficulty that meets you where you are.
Choose the subject and goal—not the easy way out. Latch is designed to infer your level from correctness and response time, independently for every topic and skill.
Subject-specific
Being strong in economics says nothing about your Japanese level. Progress stays tied to the skill.
Useful by repetition
Short retrieval reps turn otherwise forgettable impulses into practice that can compound.
How it works
A little friction.
A lot more intention.
A calm loop designed to interrupt autopilot without turning focus into a punishment.
01
Pick apps and a subject
Choose the apps and times you want to make more intentional, and a subject or revision goal that is genuinely useful to you.
02
Complete a quick rep
Latch steps in at the moment you try to open a distracting app, with a short question calibrated to your current level.
03
Earn a little access
A completed set gives you a temporary window into the blocked app. When it closes, the protection quietly returns.
Built differently
More than another blocker.
Latch doesn’t just put a wall between you and an app. It gives that impulsive moment somewhere useful to go.
Adaptive practice
Difficulty responds to your accuracy and speed—separately for every course, topic, and skill.
Local by design
Core blocking, grading, adaptation, and unlocks are designed to happen privately on your device.
Progress that compounds
Tiny reps add up. See the subjects and skills you’re strengthening over time.
What could you learn?
Whatever is worth remembering.
Pandas
Data cleaning
Which method removes missing values?
Japanese
Vocabulary
What does “木曜日” mean?
Economics
Elasticity
What happens when demand is inelastic?
Finance
Compound interest
What does APY account for?
Intro Python, DCF modelling, history revision, and custom question banks are part of the plan too.