CatchFolio Fishing Field Log

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About this app

Turn each outing into a structured field record.

CatchFolio is a free, local-first tool for anglers who want more than a loose diary. Plan a field run, append numbered observations while it is active, seal the ordered record when it is complete and preserve later clarification as a visible correction.

BUILD A FIELD RUN
• Set an objective, target species or question
• Link a private water profile
• Record launch or access reference, party size and safety brief
• Move deliberately from planned to active to sealed

APPEND WHAT HAPPENED
• Add numbered observations, effort intervals, rig changes, catches and safety observations
• Link an event to a working zone and rig card
• For catches, add your own species label, outcome, measurement and lure or bait
• Keep zero-catch and zero-event effort in the run history

PRESERVE THE RECORD
• Sealing generates a local digest from the run and ordered events
• Sealed events stay read-only
• Corrections are appended with their own timestamp while the original remains visible
• The Evidence Ledger shows seals and correction chains together

BUILD A PRIVATE WATERBOOK
• Save manual access references without requesting device location
• Record observed hazards and named working zones
• Keep every profile private unless you choose an export destination

REUSE COMPLETE RIG CARDS
• Record rod, reel, mainline, leader and terminal setup
• Track consumable stock and service dates
• Use optional on-device service reminders

EXPORT AND RESTORE
• Export the complete schema-v2 JSON evidence record
• Export one CSV row per ordered field event
• Create a readable text record with seals and corrections
• Validate structure and links before a backup can replace local data

FREE MEANS FREE
Every CatchFolio feature is available without a paid download, in-app purchase, subscription, trial or paywall. The app is supported by advertising. A rewarded ad is always optional and changes only a temporary decorative deck colour; it never unlocks a record, export, limit or tool.

IMPORTANT BOUNDARIES
The local seal is an integrity aid, not a digital signature, third-party timestamp or legal certification. CatchFolio does not provide forecasts, navigation, public fishing spots, automatic species identification, regulations, legal bag or size limits, or water-safety advice. Check authoritative local sources before fishing.

Create a field record you can inspect, correct and keep.
Plan, record and seal fishing field runs with private water and rig cards.
Updated on
Aug 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

New Field Deck, coded Runbook, private Waterbook and Gearbook, plus sealed records with append-only corrections and expanded exports.