Fast Calendar · Android & iOS

A calendar that keeps your plans to itself

Plan your days, set reminders and see your week at a glance. Everything stays on your phone: no account, no cloud sync, no ads and no tracking.

Fast Calendar month view on a phone

Why Fast Calendar

Your schedule is nobody else's business

Built the way apps used to be: it does one job well and never asks for more than it needs.

No sign-in or sign-up

Open the app and start planning. There is no account to create and no email to hand over.

Works completely offline

Events and reminders are stored on your device and work with or without a connection.

No telemetry

No analytics, crash trackers or usage reporting. We never see when or how you use it.

No ads, ever

No banners, pop-ups or sponsored events in the middle of your week.

Day, week and month views

Switch views in one tap and jump to any date fast.

Local reminders

Reminders are scheduled on the phone itself, so they fire even in airplane mode.

Screens

See it in action

A clean, fast calendar with nothing in the way.

Download

Get Fast Calendar

Free on every platform, with the same privacy promise everywhere.

F-Droid

The open-source Android catalogue, with no Google account needed.

Get it on F-Droid

Questions

Frequently asked questions

Where are my events stored?

Only on your device. Nothing is uploaded to us or to any cloud service.

Does it need internet access?

No. Fast Calendar works fully offline, and reminders fire even in airplane mode.

Do I need an account?

No. There is no sign-in or sign-up. Install it and start using it.

How is it free without ads?

Fast Apps are built to be small and simple. We don't sell data or show ads, so there is nothing to monetise behind your back.

Take back your calendar

No account. No ads. No tracking. Just your plans, on your phone.

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