700+
hooks from
16 makers

Fly Tying Inventory

Every material, pattern, fly box and hook, in one app.

Download

Free on iPhone and iPad

Woolly Bug inventory screen showing fly boxes and how many flies are in each
New

Fly boxes

Every fly in every box, by size and count. Tied and bought kept apart, with a photo of each box.

Material inventory

Every feather, bead and spool, and exactly where it's kept.

Hook Finder

Search 700+ hooks and find the closest match from every other maker.

More about Hook Finder

Pattern Keeper

The full recipe for every fly you tie.

What can I tie tonight?

Each pattern checked against your stash, with what's missing.

Never buy the same spool twice

A shopping list that flags anything you already own.

Bring your spreadsheet

Import from Excel, Numbers or Google Sheets. Export any time.

At the bench or in the shop

iPhone and iPad stay in sync, even without signal.

Made at a tying bench

Built by a tyer tired of buying spools that were already in a drawer.

Add materials in secondsSizes, colours and quantities suggested as you type.

See what you can tiePatterns checked against your bench.

Backed up automaticallyA lost phone isn't a lost inventory.

No signal neededWorks offline, at the bench or the river.

Questions

Is Woolly Bug free to download?

Yes. It's free on the App Store, with an upgrade when you need more room.

Do I need an internet connection to use Woolly Bug?

No. Everything works offline and syncs to the cloud when you're back online.

What kinds of fly tying materials can I track?

Everything on your bench: hooks, thread, dubbing, feathers, beads, wire, flash and more, with sizes, colours and quantities.

Can Woolly Bug tell me what I can tie right now?

Yes. Save your patterns and Woolly Bug shows which you can tie and what's missing.

Which devices does Woolly Bug support?

iPhone and iPad with iOS 17 or later, kept in sync.

Tie more.
Worry less.

Free on the App Store for iPhone and iPad.

Download