Purpose-Built
Fisheries field lab for effort-standardized CPUE, length-frequency bins, proportional stock density, catch curves, mark-recapture screening, stations, and survey exports.
One-time iPhone and iPad app
Creelcurve
CPUE and length frequencies
Core Features
- Effort-standardized CPUE
- Length-frequency distributions
- PSD and size metrics
- Private station evidence
Private by Design
No account, subscription, ads, tracking, third-party analytics, or developer-operated backend. Core features work offline, and your work stays on device unless you deliberately share or export it.
Use It Responsibly
Fisheries summaries are field-analysis aids. Regulatory or management decisions require approved sampling protocols, complete effort records, and qualified scientific review.