Questions.

No. The log, the measuring and the field guide work with no connection. The conditions report and the map tiles need one to fetch, then they are cached; save a map area for offline use before you drive out.

On your phone, in the app’s private storage. Nothing is uploaded unless you turn on a feature that needs it: AI assist, an account for backup, or a shared trip with a crew. You can export the whole log as a file at any time.

No. The free app never asks for one. An account is only for the FlyMaster plan: cloud backup, the crew and AI assist through our server. Sign in with Google, Apple or an emailed code.

Put a dollar bill, a credit card or a ruler in the frame beside the fish, flat and in the same plane. FlyMaster knows the size of each, finds the nose and the fork, and works out the length. Drag a handle to correct it before you save.

Nothing until you turn AI assist on and agree, on a screen that names the company. Then each new catch photo is sent once, and a fishing report sends the water’s name, conditions and a summary of your catches there. Switch it off in Settings at any time.

On the plan it is Anthropic’s Claude, through FlyMaster’s server, which keeps no photos. If you bring your own API key it can be Anthropic, OpenAI or Google, straight from your phone to that company. The privacy policy lists each one.

Forty-eight North American freshwater species: trout and char, salmon and steelhead, bass, pike and muskie, walleye, panfish, carp, catfish and more, each with a plate, a field guide page and a standard weight table for the estimate.

Named waters and live USGS gauges anywhere in the United States. Public land and access layers for forty-six states, and more than 250 fly shops across those states with the waters each one serves.

The nearest USGS gauge with thirty days of flow, the snowpack at nearby SNOTEL stations against the median, the weather forecast and the barometer trend, sunrise, sunset and the moon, and your own catches on that water.

The written plan for the day with the rigs and the flies in their sizes, AI assist, cloud backup of the whole log and every photo, and the crew. $39.99 a year or $4.99 a month, 7 days free.

In your store account, not in the app: App Store → Subscriptions on an iPhone, Google Play → Payments and subscriptions on Android. Settings → Plan → Manage subscription opens that page. The plan stays open to the end of the period you paid for.

Nothing. Your log stays on your phone. Your backup stays on the server and resumes when you subscribe again. A crew you were in stays readable; you stop publishing to it until you are back.

Only the ones you pin. A shared catch carries the water’s name, not the coordinates, unless you choose to share that spot. The crew sees the trip, not your history.

Both, the same app. A backup made on one restores onto the other.

Settings → Account → Delete account removes the account, the backup and anything shared, and the app signs out. The log on the phone is yours to keep or delete with the app. Or write through the support page.