Start with the season.
Select southern New Hampshire and May. The example screen brings together caddisflies and mayflies, with fly patterns alongside the insect entries.
View the hatch browserTerrasporta / Fly-fishing app preview
Read the season.
Look closer at the water.
Insect profiles, hatch windows, fly patterns, and field notes—brought together in a mobile companion for the curious angler.
Explore the app screens Walk through a field example

Development screens · Illustrative insect images
Inside Match the Hatch
From browsing the season to keeping your own field notes. Open any screen to see it at full size. These development screens contain placeholder insect images; use them to explore the interface, not to identify a species.
View full size Choose a region and month, then browse the insects and fly patterns shown for that part of the season.
View full size Look closer at a species profile: its hatch window, best conditions, water temperature, and water type.
View full size Preview of the camera-based identification workflow and its connection to the hatch reference.
View full size A place for trip notes and observations, so the details of a day on the water have somewhere to live.
View full size Preview of the proposed free and Pro features, including an expanded insect library and offline access.
Development preview. Some insect photos do not match their labels and will need correction in the app. Features, availability, and prices shown in these screens may change before release.
A day on the water / Example
The hatch browser gives you a place to begin. Your observations on the water give that reference context.
Select southern New Hampshire and May. The example screen brings together caddisflies and mayflies, with fly patterns alongside the insect entries.
View the hatch browserOpen a species profile to compare its hatch window and conditions. The detail screen shows timing, water temperature, and water type together.
View an insect profileKeep the day’s observations in Field Notes. Build a journal you can return to before your next trip or your next session at the tying bench.
View Field NotesOne curiosity. Two companions.
Explore a hatch on your phone, then go deeper into the natural history and fly dressings in the illustrated books. Both begin with the same idea: understanding more of what fish feed on.
Explore the field libraryAbout the digital companion
Match the Hatch is Terrasporta’s fly-fishing app in development. The preview brings together hatch browsing by region and month, insect profiles, fly patterns, a camera identification workflow, and field notes.
This page presents the app’s development screens and an example workflow. A public download link is not yet available. Features and prices shown in the screenshots may change before release.
The app explores a digital workflow for the water. The Terrasporta Press books provide illustrated references for natural history, seasonal activity, and imitations at the tying bench. The app preview and books are separate offerings.
No. These supplied development screens contain placeholder insect photos, including photos that do not match their labels. They illustrate the interface and workflow and should not be used to identify an insect.