Priority Zero: To-Do List

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Content rating
Everyone
5+
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Content rating
Everyone
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About this app

Things to do, in the right order.

Priority Zero is a clean, fast to-do list built around one idea: give every task a priority from 0 to 9, and always see the most important things first. Zero means "do this now" - hence the name.

PRIORITIES FIRST
- Every task gets a priority badge, 0 (most urgent) to 9
- Lists sort by priority by default, so the top of the list is always what matters most
- Also sort alphabetically, by created date, or by due date - per list, the app remembers your choice

A CHIRP THAT KEEPS YOU HONEST
- Pick ONE task and switch on "Chirp at me until this is done"
- The app gently chirps at an interval you choose (every 5-120 minutes), during your working hours only, until you mark it done
- Works with the app closed and the phone locked
- Choose your sound: cricket, bird, beep, singing bowl, wolf howl or dog bark
- A visual reminder flashes in the header at each chirp, and the ongoing notification names the task so it shows on your lock screen

EVERYTHING A TO-DO APP SHOULD HAVE
- Multiple lists plus a combined "All Tasks" view
- Due dates with a smart natural-language engine ("tomorrow", "fri", "3 aug")
- Instant search across your tasks
- A collapsible Done section with one-tap bulk delete
- Quick-add that keeps focus, so you can capture tasks back-to-back
- Share or export any list as CSV
- Dark mode

SYNCED EVERYWHERE
- Sign in with a free account and your lists, tasks and settings sync across all your devices
- Works offline; changes sync when you're back online

WORKING HOURS
- Set your working days and hours; the chirp respects them and stays silent outside them

Priority Zero shows a small banner advert to keep the app free.
Priority-ordered to-do lists that sync, with a chirp that nags one key task.
Updated on
Aug 16, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Personal info, App activity and 2 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

NEW in this update:
• Mark one task as NOW - highlighted in yellow with a quick-access bar at the bottom of the home screen
• Notes on every task, plus a new synced Notes page (with .txt export/import)
• Import tasks from CSV (matches the export format)
• Fresh lighter look and a new Dark theme (Settings > Theme)
• Change your password from Settings; sign-up now asks for your password twice