Comparison

DaoBrew vs Calm Rhythm

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DaoBrew

Features
Read full description

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.

About

Calm Rhythm

Features
Read full description

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

DaoBrew4 screens
Calm Rhythm4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
DaoBrew versus Calm Rhythm: the parameters behind the verdict, then further details
ParameterDaoBrewCalm Rhythm
PriceFreeFree
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size69 MB5 MB
Age rating4+4+
DeveloperDaoBrew AI, Inc剑炜 陈

In-app purchases

None

DaoBrew

No in-app purchases

None

Calm Rhythm

No in-app purchases

Questions

Is DaoBrew free?
DaoBrew is free to download, with no in-app purchases.
Is Calm Rhythm free?
Calm Rhythm is free to download, with no in-app purchases.
Do DaoBrew or Calm Rhythm have ads?
Neither DaoBrew nor Calm Rhythm shows ads.

Other comparisons