TroutBook
Learn more with every catch.
About
Log your fly fishing catches with detailed data, including species identification, location, and gear used. Plan your trips with topo maps and river data, and share your successes privately. An optional Pro upgrade offers advanced insights and features.
What's New in TroutBook
1.1
December 1, 2025
Species ID engine improvements
Subscription plans
Pro Annual
Sign up for an annual subscription and save
In-App Purchases
$4.99
3 Day Pass
Sign up for 3 days of unlimited access
FAQ
Does TroutBook have ads?
Yes, TroutBook contains advertisements. This is common for free applications that offer in-app purchase upgrades.
What is the cost of TroutBook Pro?
TroutBook Pro offers two subscription plans: Go Monthly for $3.99 per month and Pro Annual for $39.99 per year. These prices are charged to your Apple ID upon confirmation.
Can I use TroutBook offline?
Yes, TroutBook features offline-first logging, allowing you to capture catches and pins even without a service connection. It will sync your data once you are back online.
How do I cancel my TroutBook Pro subscription?
You can manage or cancel your subscription at any time by navigating to your App Store settings. Ensure cancellation occurs at least 24 hours before the end of the current period to avoid renewal charges.
What devices does TroutBook support?
TroutBook is currently supported on iPhone. The app is rated for ages 4 and up.
How often is TroutBook updated?
The latest version of TroutBook is 1.1, last updated on December 1, 2025. Updates typically include bug fixes and feature enhancements.
What are the benefits of TroutBook Pro?
TroutBook Pro unlocks advanced insights such as bite windows and wild percentages, offers Trip Mode boosts for travel, and allows up to 200 AI analyses per month. A 3-day Trip Pass is also available for shorter outings.
How does TroutBook identify fish species?
TroutBook uses on-device photo analysis to identify species from your catch photos. It then surfaces a confidence-based Wild badge for each identified species.