Pick your plan
Free (Fish)
$0
- ✓ 5 new heuristics a week
- ✓ Streak tracking, with goals
- ✓ Limited access to heuristic bookmarks
- ✓ Home Screen widget on iOS
Your current plan
Pro (Reg)
$9.99/mo · $59.99/yr
- ✓ A new solver-verified heuristic every day — no weekly cap
- ✓ Deep-dive breakdowns: why it works, and when it doesn't
- ✓ Supporting graphics for improved memory retention
- ✓ Save unlimited heuristics to your personal review library
- ✓ Tailored heuristics to suit you daily — streets, formats, stack depths, difficulty