Stop 09 · Growth & ExperimentationTopics · 9/10

Onboarding Optimization

In short

Many users decide in their first session whether an app is worth keeping. Onboarding is your one chance to get them to real value before they get bored.

The first-run experience disproportionately determines whether a user ever comes back — small friction points in signup, setup or the first key action can silently kill retention.

The purple blob welcomes a new student with a suitcase at a hostel door and hands over a key.

Think of it like this

First day at the hostel

A good warden meets you at the gate, hands you the room key, shows the mess and Wi-Fi password, and lets you settle in. A bad one gives you a 20-page rulebook and disappears. Same hostel, very different first night.

Watch it happen

Where new users drop off

Install 100%

Signup 70%

Profile 45%

First action 30%

1/5A funnel of 100 new installs for a study-planner app.

The big ideas

What you need to know

Define the aha moment

Find the action that predicts users sticking around, and get people there fast.

Cut steps

Every extra field or screen loses some users. Ask only what you need now.

Show, don't tell

Let users do the real thing early instead of swiping through tutorial slides.

Ask later

Permissions like notifications land better after users see value, with context on why.

Save yourself the pain

Common mistakes

Oops

Asking for notification permission on the first screen.

Do this instead

Ask after the user sees why it helps, like after setting their first reminder.

Oops

Measuring onboarding by signups only.

Do this instead

Measure how many reach the first value moment, and how many return the next week.

Your mission

Audit an app's first five minutes

~30 min

Quick check

Your onboarding has a big drop at an 8-field profile form. What's the best first experiment?

Go deeper

1Screen-record yourself going through a cold signup flow for an app you've never used.
2Count every step between signup and the user's first 'aha moment'.
3Identify one step you'd cut or simplify, and why.