Canto
Tulip
opsty
subtankTry this first
TuneBoi was retired in 2026. Tulip is its successor.
Your license keeps working, and the notice page keeps the last version and the owner’s notes.
Support.
Pick the app and what’s happening. The answer we have comes first; if it doesn’t fix it, step 3 writes to the person who makes these apps.
- One person answers, usually within two working days
- Lost a license? Find my license
01Which app?
02What’s happening?
A question about your TuneBoi license?Write to us
03Still stuck? Write to us
TO LONELYDUCK SUPPORTAn older app: TuneBoisupport@lonelyduck.io
- What’s happening
- TuneBoi
- Sent by
- your mail app
One person answers, usually within two working days.
Tosupport@lonelyduck.io
One person answers, usually within two working days. Write in English or Korean.
Find my license
Lost the email? It goes out again to the address you bought with.
In your account
Signed in with the email you bought with:
- Copy license, resend emailCanto
- Your Macs › ReleaseCanto
- Renew, upgrade to 3 MacsCanto
- Published pagesCanto
- Paymentsall apps
Status
Checking…
- Websitechecking
- APIchecking
- Databasechecking
Checked from your browser just now. Checkout and email aren’t probed. Status
Ask other people
- r/CantoApp ↗Reddit
- Canto on Discord ↗Discord
- Changelogevery app
Refunds
Write with your receipt email and order id; a refund is likeliest soon after buying, before the license is activated, or when a problem we can’t fix stops the app working. The money goes back through Stripe or PayPal, and nothing on your Mac is deleted.