Your day has more room than you think.
AICal shows the day you already have — and the open stretches in it. Ask in plain language for something to be planned. You confirm, and only then does it land.
Free · no ads · your calendar stays on your device
What makes AICal different
Not another packed to-do list — a planner that starts from the time you actually have.
- Open stretchesSee at a glance where your day still has room between appointments.
- Confirm firstNothing lands in your calendar unless you tap add.
- Plan in plain languageAsk for “ninety minutes of focus tomorrow morning” — AICal turns it into a block.
- Privacy firstYour calendar and health data stay on your device. No tracking, no ads.
In the app
A day with AICal: the appointments you already have, the open stretches between them, and a proposal you confirm.
Tuesday, 6 October
3 appointments · 4h 30m open
What you already have, and where there is still room.
Plan something
In plain language — how long, when
Proposal: Focus · 90 min · 09:15
Only the sentence you type goes to OpenAI — and only after you agree.
Add this to your calendar?
Nothing happens without your tap
🔒Added to the calendar AICal on this device. Your appointments never go to the cloud.
One tap and it is there — not before.
How it works
Four steps, and your calendar stays yours throughout.
- Sign inWith Apple, Google or email. You choose the hours you want to plan inside.
- Connect your calendar, if you likeApple Calendar on your iPhone or iPad. Skipping is fine — AICal works without it.
- See your dayAICal shows your appointments and the empty stretches between them, in one calm overview.
- Plan and confirmAsk for a block, pick the moment, and tap add. You keep control.
Your calendar stays yours
Appointments are read and written through Apple Calendar on your device. AICal uploads no titles, times or attendees. No tracking, no ads, no sale of personal data.
Smart help, with boundaries
Only the sentence you type goes to OpenAI, to turn it into a structured request — and only after you agree. Your calendar is not included, and the sentence is not kept.
Availability
AICal is coming soon for iPhone, iPad and Android.
Frequently asked questions
Does AICal work without calendar access?
Yes. You can use AICal fully without calendar access. You can turn that access on later in the settings of your iPhone or iPad.
Does AICal put things in my calendar by itself?
No. Nothing is added unless you confirm it. You tap add or save yourself.
How do I delete my account?
Open Settings in AICal (the profile button on Today), choose Delete account and confirm. It is described in full on the support page.
What does it cost?
AICal is free to use. There are no ads, and no data is sold.
Questions or ideas?
We build AICal in the open and would love to hear what you think.
Email Stichting Le@f