Engineering Focus at the OS Level
The modern smartphone is designed as a slot machine. CalendarPhone is designed as a vault.
The Psychology of Distraction
According to a 2023 study by King's College London, context switching costs up to 40% of productive time. CalendarPhone prevents this by hiding all apps unless they are actively scheduled. The OS enforces single-tasking.
The Cost of Context Switching
| Action | Recovery Time |
|---|---|
| Checking email | 23 minutes (Irvine, 2021) |
| Social media notification | 15 minutes |
Context Switch Cost Calculator
Assumption: Each interruption costs 20 minutes of lost focus.
Lost time per day: hours
Annual Cost: $
Common Mistakes
- Thinking you can "just ignore" notifications. Willpower depletes.
- Using Do Not Disturb without a strict allowlist.
FAQ
Does it block calls?
No, emergency and favorited contacts bypass the focus filter.
Can I bypass it?
Yes, but it requires intentional friction (e.g., typing a reason).