DaoBrew vs Calm Rhythm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DaoBrew
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DaoBrew is a wellness companion that uses Apple Watch biometric data and Traditional Chinese Medicine (TCM) theory to detect stress patterns and guide personalized micro-recovery breathing sessions. HOW IT WORKS DaoBrew reads your heart rate, HRV, and other vitals from Apple Watch to identify five stress patterns: Tension, Overdrive, Stagnation, Constriction, and Depletion. Based on your pattern, the app prescribes a tailored breathing exercise with real-time audio guidance. FEATURES • Live heart rate feedback — breathing session parameters adjust in real time based on your Apple Watch heart rate • Five-element stress map — visualize your stress patterns through a TCM-inspired Wu Xing interface • Therapeutic audio — binaural beats and ambient soundscapes tuned to your stress pattern • Vital trends — track heart rate, HRV, steps, and energy over days, weeks, and months • Dynamic Island — monitor your breathing session progress at a glance • Apple Watch companion — seamless health data sync and session tracking DaoBrew requires Apple Watch for full functionality. HealthKit access is used solely to provide personalized wellness insights.
Calm Rhythm
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Calm Rhythm is a stress and sleep tracker that turns your Apple Health data into clear, actionable insights. • True stress index – estimated from HRV (heart rate variability) and heart rate, not just mood checkins. • Daily dashboard – see today’s stress level, HRV, heart rate, sleep and steps in one calm home view. • Trends & scores – weekly and monthly stress, recovery, sleep and activity scores so you notice changes early. • Professional insights – simple explanations of HRV, cardiovascular health, sleep and recovery based on your data. • Smart reminders – optional notifications for morning sleep recap, afternoon move reminder and evening winddown. • Biological age (beta) – an estimate based on sleep, HRV, heart rate and activity patterns. Calm Rhythm reads data from Apple Health / HealthKit (HRV, heart rate, sleep, steps) and keeps processing on your device. It is designed for wellness and selfawareness only and does not provide medical diagnosis or treatment. Always consult a doctor for any medical concerns. Terms of Service – StressLife:https://superficial-restaurant-956.notion.site/Terms-of-Service-StressLife-321f52245d5580b094acc9998f1cbec4?source=copy_link Privacy Policy – StressLife:https://superficial-restaurant-956.notion.site/Privacy-Policy-StressLife-321f52245d558070b8c7ece4565c8c5c?source=copy_link
Screenshots
Verdict
DaoBrew and Calm Rhythm are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | DaoBrew | Calm Rhythm |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 69 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | DaoBrew AI, Inc | 剑炜 陈 |
In-app purchases
DaoBrew
No in-app purchases
Calm Rhythm
No in-app purchases









