Ultradian
Katherine Gratale Productivity iPhoneiPadiPod touch
Ultradian is a free Productivity app for iPhone and iPad by Katherine Gratale. Rated 3.3/5 from 4 ratings. Requires iOS 17.5. Updated January 15, 2025.
- Rating
- 3.3
- 4 ratings
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Jan 15
- 2025 · v2.1
Screenshots
About Ultradian
Experience peak productivity and well-timed rest with Ultradian, the app designed to help you leverage your natural energy cycle. By securely connecting to Apple Health, Ultradian analyzes your biometric data to predict your daily ultradian rhythms—empowering you to plan tougher tasks when you’re at your peak and schedule breaks when you need them most.
What’s new
Version 2.1 · Updated January 15, 2025
- Bug fixes
App privacy
The developer, Katherine Gratale, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Contact Info: Email Address
Used for: App Functionality
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Ultradian | 3.3 / 5 (4 ratings) | Free | January 15, 2025 | |
| Flow: Focus & Pomodoro Timer | 4.8 / 5 (1,765) | Free | Oct 26, 2026 | Compare |
| Obsidian Web Clipper | 4.3 / 5 (104) | Free | Jul 22, 2026 | Compare |
| ATracker Time Tracker | 4.7 / 5 (3,197) | Free | Oct 19, 2026 | Compare |
| one sec | screen time + focus | 4.8 / 5 (23,769) | Free | Oct 20, 2026 | Compare |
| Habit Tracker - HabitKit | 4.8 / 5 (2,510) | Free | Oct 27, 2026 | Compare |
| Onrise: Habit Tracker & Focus | 4.8 / 5 (2,601) | Free | Aug 25, 2026 | Compare |
Compare Ultradian with the top alternatives: ratings, updates, ASO score and keyword gaps →