Disappointment is a better indicator of love than love itself.
The Must Have Score (MHS) is a thermometer of how much your product is loved. Drop this in-product survey to validate market fit:
How disappointed would you be if you could no longer use our product?
- Very disappointed. 😥
- Somewhat disappointed 😦
- Not disappointed 😐
- I’m no longer using this product :
If your product has > or = 40% of their users answer “very disappointed”, then your product has reached market fit.
<40% and you’ll struggle. So iterate.
Bonus: with the more famed Net Promoter Score (NPS), top companies score 50+.
Credit: Sean Ellis