Comparison

Heart Safe Alerts vs CalmPulse リラックスチェック

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

Head to head
About

Heart Safe Alerts

This app provides real-time heart rate monitoring with alerts for concerning levels. It connects to various Bluetooth LE monitors and displays session statistics in a clean interface. Future updates will include a 'Care Circle' feature to notify loved ones of critical heart rate events.

Highlights
  • Real-time heart rate monitoring
  • Bluetooth LE heart rate monitor connection
  • Session statistics (min, max, average BPM)
  • Time in target/out of range tracking
  • Clean and intuitive interface
  • Dark mode support
  • Background operation
Features
Read full description

VERSION 2.4 - COMPLETELY REBUILT FROM THE GROUND UP Everything that was premium is now FREE. HeartSafeAlerts 2.4 is a complete reimagining of heart rate monitoring on iPhone. We tore down the old app and rebuilt it with one mission: make professional-grade heart monitoring accessible to everyone who needs it. No subscriptions. No paywalls. No limits. Just powerful, reliable heart rate monitoring - completely free. THE FREE REVOLUTION Version 1 had premium features. Version 2 has ZERO premium features. We made a choice: accessibility over profit. Now everyone - athletes, seniors, people with heart conditions, fitness enthusiasts - gets the same powerful features, free forever. ----------------------------------- KEY FEATURES ----------------------------------- DUAL DATA SOURCES - Connect any Bluetooth LE heart rate monitor (Polar, Wahoo, Garmin, and more) - Automatic source selection picks the best available option - Manual override lets you choose your preferred source SESSION STATISTICS - Track your session with real-time stats - Min, Max, and Average BPM display - Time spent in your target range - Time spent out of range - Session duration tracking BEAUTIFUL INTERFACE - Clean, intuitive design focused on what matters - Full dark mode support (follows your device settings) - Large, readable heart rate display - Color-coded status indicators (green = good, red = alert) - Animated heart icon pulses with your connection BATTERY EFFICIENT - Optimized Bluetooth scanning - Smart reconnection logic - Minimal battery drain - Works in background mode ----------------------------------- WHO IS THIS FOR? ----------------------------------- - Athletes monitoring training zones - Individuals with heart conditions under medical supervision - Seniors wanting peace of mind - Fitness enthusiasts tracking cardio workouts - Anyone using specialty heart rate monitors - People who want backup beyond Apple Watch alerts ----------------------------------- COMING SOON: CARE CIRCLE ----------------------------------- Care Circle is the human connection layer we're building next: ALERT YOUR LOVED ONES When your heart rate is concerning and you don't respond, Care Circle automatically notifies your trusted contacts. CHECK-IN WORKFLOWS "Are you okay?" -> Tap "I'm Fine" -> Everyone's notified you're safe. Simple, fast, reassuring. WEEKLY SUMMARIES Your circle gets weekly health summaries: "Your heart rate was stable this week. Avg: 72 BPM." HEALTH TRENDS Historical data, charts, and trends. Share as much or as little as you want. Care Circle will be optional ($2.99/month, launching Q2 2025). All Version 2.0 features stay FREE forever. ----------------------------------- REQUIREMENTS ----------------------------------- - iOS 18.4 or later - iPhone 8 or newer recommended - Bluetooth LE heart rate monitor, OR ----------------------------------- SUPPORTED DEVICES ----------------------------------- HeartSafeAlerts works with hundreds of Bluetooth heart rate monitors including: - Polar H10, H9, OH1 - Wahoo TICKR, TICKR FIT, TICKR X - Garmin HRM-Dual, HRM-Pro - Scosche Rhythm+ - CooSpo heart rate monitors - 4iiii heart rate monitors - And any device using standard Bluetooth Heart Rate Service (0x180D) ----------------------------------- FEEDBACK & SUPPORT ----------------------------------- We're a small team building something meaningful. Your feedback shapes our roadmap. - Report issues on GitHub: github.com/brownsterbits/HeartSafeAlerts - Feature requests welcome - Open source contributors appreciated Download HeartSafeAlerts today and take control of your heart health monitoring. Made with love for those who care about heart health.

About

CalmPulse リラックスチェック

Features
Read full description

Here is the English version of your app description, optimized for clarity and a professional yet calming tone. --- ## **Key Features** * **Quick 20-Second Measurement:** Get results in moments. * **Heart Rate (BPM) Display:** Real-time pulse monitoring. * **Signal Stability Index:** Visual indicator of measurement quality. * **Condition Score (0–100):** A simple metric to understand your current state. * **Measurement History:** Save and review your past data at any time. * **HealthKit Integration:** Optional syncing with Apple Health. * **Ambient Sound:** Toggle relaxing background audio during measurements. ## **Recommended For** * **Daily Self-Checks:** Perfect for monitoring yourself every morning or before bed. * **Mindfulness & Focus:** Check your state before and after work or study breaks. * **Tracking Progress:** Visualize how your body responds to breathing exercises or rest. ## **Privacy & Security** * **On-Device Processing:** All measurement data is processed directly on your device. * **No Visuals Stored:** We do not save or upload any videos or photos of your face. * **Data Only:** Only the resulting numerical data is saved for your history. ## **Disclaimer** **CalmPulse is not a medical device.** The information provided is for general wellness purposes only and should not be used for the diagnosis, treatment, or prevention of any medical condition. Always consult a healthcare professional for medical advice.

Screenshots

Heart Safe Alerts4 screens
CalmPulse リラックスチェック3 screens

Verdict

The call

The clearest difference is in-app purchases: CalmPulse リラックスチェック at none against Heart Safe Alerts's 1. CalmPulse リラックスチェック also leads on update cadence (every 2 days vs every 2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Heart Safe Alerts sells 1 one-off in-app purchase. CalmPulse リラックスチェック asks for nothing beyond the download.

UpkeepUpdate frequency

Heart Safe Alerts ships an update every 2 months, CalmPulse リラックスチェック every 2 days. Both last shipped on October 30, 2026.

Scorecard2 real differences · 8 level
Heart Safe Alerts versus CalmPulse リラックスチェック: the parameters behind the verdict, then further details
ParameterHeart Safe AlertsCalmPulse リラックスチェック
PriceFreeFree
Rating4.3 (6 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size1 MB15 MB
Age rating4+4+
DeveloperChad BrownXEROGRAPHIX

In-app purchases

1 purchases

Heart Safe Alerts

One-time1
  • Heart Alerts Pro$4.99
None

CalmPulse リラックスチェック

No in-app purchases

Questions

Is Heart Safe Alerts free?
Heart Safe Alerts is free to download, with in-app purchases available.
Is CalmPulse リラックスチェック free?
CalmPulse リラックスチェック is free to download, with no in-app purchases.
Do Heart Safe Alerts or CalmPulse リラックスチェック have ads?
Neither Heart Safe Alerts nor CalmPulse リラックスチェック shows ads.
Which is updated more often, Heart Safe Alerts or CalmPulse リラックスチェック?
Heart Safe Alerts ships an update every 2 months, and CalmPulse リラックスチェック every 2 days. Most recently, Heart Safe Alerts was updated on October 30, 2026 and CalmPulse リラックスチェック on October 30, 2026.

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