Task One: One Thing Today
Rainbow 123 Productivity iPhoneiPadiPod touch
Task One: One Thing Today is a free Productivity app for iPhone and iPad by Rainbow 123. Requires iOS 17.0. Updated January 8, 2026.
- Price
- Free
- on the App Store
- Size
- 4 MB
- Age 4+
- Updated
- Jan 8
- 2026 · v1.0
Screenshots
About Task One: One Thing Today
Stop juggling dozens of tasks. Focus on ONE thing that truly matters. Task One is a free minimalist daily focus app that helps you cut through the noise and commit to your most important task each day. Not a list. Not a dozen priorities. Just one. WHY TASK ONE? In a world of endless to-do lists and overwhelming productivity apps, Task One takes a different approach: radical simplicity. Research shows that focusing on one key priority dramatically increases completion rates and reduces decision fatigue. KEY FEATURES ONE Active Task Set your single most important thing for the day. That's it. No overwhelm, no complexity. Streak Tracking Build momentum by completing your daily task consistently. Watch your streak grow day by day. Daily Reminders Get a gentle notification at your chosen time to set your daily focus (customizable or turn off completely). 7-Day History Review your accomplishments from the past week. See what you've completed and stay motivated. Lock Screen Widget Your daily task visible right on your lock screen. Tap to open the app and mark it complete. Celebration Animations Enjoy satisfying animations when you complete your task. Small wins deserve recognition! THE PHILOSOPHY Task One is built on the principle that doing ONE thing well is better than doing many things poorly. Every feature is designed to help you: - Clarify what really matters today - Avoid decision paralysis - Build a consistent habit of focused action - Feel accomplished, not overwhelmed PRIVACY FIRST - All data stored locally on your device - No account required - No cloud syncing or data collection - Your tasks are yours alone FEATURES AT A GLANCE - Simple, beautiful interface - One task per day maximum - Daily streak counter - Customizable reminder notifications - 7-day history view - Lock screen and home screen widgets - Dark mode support - No subscription, no in-app purchases - Ad-supported (small banners, non-intrusive) WHO IS THIS FOR? Task One is perfect for: - Professionals overwhelmed by complex project management tools - Students who need to prioritize daily study goals - Anyone practicing minimalism or intentional living - People who struggle with decision fatigue - Those who want to build consistent daily habits START YOUR STREAK TODAY Download Task One and experience the clarity that comes from committing to just one thing each day. Your most productive self is waiting.
App privacy
The developer, Rainbow 123, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Advertising Data
Used for: Third-Party Advertising, Analytics
Alternatives to Task One: One Thing Today
Looking for apps like Task One: One Thing Today? Here are 6 similar apps on the App Store. The highest rated is The One: Minimalist Focus (5.0/5), and all 6 are free to download.
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The One: Minimalist Focus
5.0
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streakr - One Task
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Commit: One Task
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just3things
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1Task: Focus timer
5.0
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Just Do Three
5.0
| App | Rating | Price | Last updated |
|---|---|---|---|
| Task One: One Thing Today | – | Free | January 8, 2026 |
| The One: Minimalist Focus | 5.0 / 5 (3) | Free | Mar 2, 2026 |
| streakr - One Task | – | Free | Jun 27, 2025 |
| Commit: One Task | – | Free | Feb 18, 2026 |
| just3things | – | Free | Jul 21, 2025 |
| 1Task: Focus timer | 5.0 / 5 (3) | Free | Apr 5, 2026 |
| Just Do Three | 5.0 / 5 (1) | Free | Jun 5, 2026 |