01The uncomfortable question
What makes an app worth $50?
The product mechanics behind apps people return to.
Three useful questions each earn a gift.
02The founder problem
A timer is useful.
A product is valuable.
Knockout began as a timer. The $50 question forced a different product: one that strengthens the next valuable action.


03The thesis
Great products make the next valuable action feel believable.
We will unlock all six.
04Earned onboarding
Should onboarding always be shorter?
NO.It should earn its length.






Never copy the screen. Copy the job.
05Trust screen
The paywall is the final
onboarding screen.


06Earned progress
You started at
10%.You chose to attend · stayed · participated
Credit real progress.
Never invent it.



07Gift, not receipt
A reward is not data.
It is a moment.
Participation makes the reward feel larger.
08Motion grammar
Motion needs a grammar.
Same direction
Similar timing
Small feedback
Major celebration
Calm interface. Energetic product.
09Comeback loop
A streak should survive
real life.
Daily streak
Schedule-aware streak
Missed
Recover
DoneThe most important streak screen is the first one after failure.
10Winnable competition
Most users already lost.
One workout to reach #8.

Local means psychologically close.
11The product-management filter
An engagement feature
needs a product case.
- 01Behavior
Complete planned workouts
- 02User benefit
Build boxing skill
- 03Mechanic
Weekly plan streak
- 04Metric
Return after a miss
- 05Failure mode
Empty check-ins
If you cannot fill all five, the feature is not ready.
12The answer
Do not add gamification.
Make valuable progress visible.
This is for me.
This is worth it.
I have already started.
I earned something meaningful.
I can keep going.
I can realistically win.
A timer tells someone how long to train.
A product makes them believe they are becoming a fighter.
13100% · Feedback
Help make the next talk
more useful.
Take 60 seconds: what should I keep, improve, or remove?
Serhii Kopytchuk · Knockout
14Q&A · Three gifts
Three questions.
Three gifts.
Ask the question that helps the whole room see a trade-off more clearly.
Serhii Kopytchuk · Knockout