Users try once and never come back
People hate losing things more than they like gaining them. A streak counter turns that into a reason to come back every day.
When to use
Your product benefits from regular use and there's a clear daily action to streak.
Hypothesis template
If we show users a streak count that breaks when they miss a day, they'll keep coming back because losing a streak feels terrible.
Method
The problem: Users try your app, like it, then forget it exists. You need
them to build a habit.
What Duolingo does: Shows a streak count. Miss a day, it resets to zero. Users with a 7-day streak retain 3x better than users without one.
Why it works:
- Losing a 50-day streak hurts more than starting a new one feels good
- "I can't quit now, I've got a streak going"
- "What happens at day 100?"
The extra tricks:
- Streak freeze (buy protection for one missed day—makes money AND keeps them)
- Streak repair (pay to restore—more money)
- Friend streaks (social pressure)
- Milestone badges (celebration at 7, 30, 100 days)
How to do it:
- Pick one action worth streaking (must be something they can realistically do
daily) - Show the streak number prominently
- Send reminders before it breaks
- Let them protect or repair it (great monetization)
- Celebrate milestones
Success metrics
- •How many start a streak
- •How long streaks last
- •7-day streak retention vs non-streak
- •Streak freeze purchases
Prerequisites
- A meaningful daily action
- Push notifications
- Storage for streak data
- Users who want to build a habit
Common pitfalls
- •Streaking something users don't care about
- •Too easy (no challenge)
- •No way to recover (frustrating)
- •Spammy notifications
Source: Duolingo. 7-day streak users retain 3x better.
Suggested ICE scores
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