Big Math Flash Cards
Masato Takagi · 4.22★ · 40,333 installs
18/100 · Opportunity score · C
buyer uncertain
Evidence
| installs | 40,333 |
|---|---|
| unhappiness | 15% |
| loyalty | 4.22★ |
| pays | No signal |
14.8% of all ratings are 1–2★ (unhappiness index 23/100)
What to build
Ship the same core outcome with honest, flat, one-time pricing.
Complaint themes
Price barrier
Users want the outcome but reject the price or the pricing model.
Read this
Read this
Missing capability
Explicit feature asks — the closest thing to free product requirements.
Nappy
Nappy
AI output quality
AI features exist but fail the accuracy bar users actually need.
No guys do not get it
No guys do not get it