Ultradian vs DeepFocus!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ultradian
Leverage your natural energy cycles for optimal task management and rest. This app analyzes biometric data to predict your ultradian rhythms, helping you schedule demanding activities during peak energy and breaks when needed.
- Analyze biometric data
- Predict ultradian rhythms
- Schedule peak task times
- Schedule rest breaks
- Connects to Apple Health
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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.
DeepFocus!
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DeepFocus! is more than just a Pomodoro timer; it's a sanctuary for your focus, breath, and reflection. Moving away from generic templates, we've crafted a "Bright Minimalist" experience that lets the tool fade into the background, leaving only you and your flow. Unique Features: - Zen Visuals: A clean, "Apple-like" aesthetic with bright backgrounds and soft glassmorphism, designed to reduce visual fatigue. - Focus Reflection: After each session, ZenTimer invites you to capture your thoughts. It transforms productivity into a practice of self-awareness. - Pure Flow: No ads, no clutter. Just pure focus with curated ambient sounds and a seamless interface.
Screenshots
Verdict
The clearest difference is in-app purchases: Ultradian at none against DeepFocus!'s 1. DeepFocus!'s advantage is update cadence (every 4 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DeepFocus! sells 1 one-off in-app purchase. Ultradian asks for nothing beyond the download.
Ultradian ships an update every 5 months, DeepFocus! every 4 weeks. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Ultradian | DeepFocus! |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 5 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.5 | 16.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Katherine Gratale | 志文 李 |
In-app purchases
Ultradian
No in-app purchases
DeepFocus!
- Premium Member$2.99
