Keep Blockerflow free.

No ads, no subscriptions, no selling your data. If it helps you, a donation pays for the things that keep it free and safe to install. Any amount helps.

Choose an amount
€

One square for each day of a year of Apple Developer ID signing.

36 days of Apple Developer ID signing

or 18 days of Windows code signing

Donate €10 via PayPal

You pay on PayPal's own page. Blockerflow never sees your payment details.

Where it goes

Apple Developer ID

€99 a year

Signs Blockerflow for macOS and iOS, so it opens without warnings.

Windows code signing certificate

around €200 a year

Removes the SmartScreen warning when you install on Windows.

Running costs

ongoing

Domain, email delivery, the AI Coach and the cloud servers behind sign in and sync.

Prices are public list prices, checked on 10 October 2026. The full list and history are in the funding issue.

What changes for you

Today the Mac app is not signed, so macOS says it cannot verify it. You open it with a right click, or one Terminal command. Once it is signed and notarized, macOS checks it and asks one simple question.

Read the Mac install guide

“Blockerflow” Not Opened

Apple could not verify “Blockerflow” is free of malware that may harm your Mac or compromise your privacy.

“Blockerflow” is an app downloaded from the Internet. Are you sure you want to open it?

Apple checked it for malicious software and none was detected.

Illustration of the two macOS messages. Use the switch to compare them.

Ways to help for free