Last updated: 22 May 2026
Blockday is licensed, not sold. Your use of the app is also governed by the standard Apple-licensed-application end-user license agreement, available here: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Blockday Pro and Pro+ are auto-renewable subscriptions. Your subscription renews automatically at the end of each billing period unless you cancel at least 24 hours before the end of the current period. You can manage and cancel your subscription at any time in Settings → Apple ID → Subscriptions. Free trials, if offered, convert to paid subscriptions unless cancelled before the trial period ends.
Do not attempt to reverse engineer the app or use it for unlawful purposes. Beyond that, use it however helps you get your day done.
Blockday is a productivity tool. It is not a medical device. It does not diagnose, treat, cure, or predict any health condition. AI-generated suggestions are heuristics — apply your own judgement.
To the maximum extent permitted by law, Atrium and Zhang Jiahao are not liable for any indirect, incidental, or consequential damages arising from your use of the app.