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Developer: Kenneth Nygren (2)
Price: * Free
Score: 1,980 Silver
Rankings: 0 
Comments: 0 Add a comment
Lists: 1 + 0
Points: 1 + 0 ¡
+1 Points

Description

Plena Biofeedback
Plena: The Only Mindfulness App with Stress Zones, Intentions, and Readiness Scores

Start mindfulness sessions from your Apple Watch with live sensor streaming to iPhone. Set an intention before each session, see real-time stress zone classification as you practice, then reflect afterward. Track daily readiness with a score showing exactly which metrics help or hinder recovery.

What Makes Plena Different

- WATCH-FIRST: Start from Apple Watch with live data streaming to iPhone
- STRESS ZONES: See Calm/Optimal/Elevated zones update in real-time
- INTENTIONS + REFLECTIONS: Set goals before, record insights after
- READINESS BREAKDOWN: Daily score with metric contributions explained
- MIND-BREATH-BODY: Built on the triangle of HR, HRV, and respiration
- PRIVACY-FIRST: Health data stays on your device, never shared

The Triangle: Mind, Breath, Body

The triangle represents the three core rhythms of human calm:
- Heart Rate reflects moment-to-moment activity
- HRV shows adaptability and stress balance
- Breath regulates the entire system

When in harmony, they create balance. That's what Plena measures in real time.

Real-Time Stress Zone Classification

Color-coded zones during sessions:
- Calm Zone - Relaxed, low-stress state
- Optimal Zone - Balanced, functioning well
- Elevated Zone - Higher stress response

Key Features

Biometric Tracking
- Heart Rate, HRV/SDNN, Respiratory Rate
- Body Temperature, VO2 Max

Apple Watch Integration
- Start sessions directly from Watch
- Live sensor sync to iPhone
- Zone indicators on wrist
- Works independently from iPhone

Dashboard and Analytics
- Session statistics, streaks, trends
- Interactive graphs (Day/Week/Month/Year)
- HRV insights and pattern recognition

Session Flow
- Pre-session intention setting
- Post-session reflections
- Automatic saving and summaries

Readiness Score

Daily score (0-100) combining Resting HR, HRV Balance, Temperature, Recovery, and Sleep. View contributor breakdowns and compare to yesterday.

Privacy

All data stored locally using Apple's HealthKit. No third-party sharing.

Requirements

- iOS 17.0+, Apple Watch Series 4+ (optional)
- HealthKit permissions required

Medical Disclaimer

Plena is not a medical device and does not provide medical advice. Readings are for wellness purposes only. Consult healthcare professionals for medical advice.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
more ↓

Screenshots

#1. Plena Biofeedback (iOS) By: Kenneth Nygren
#2. Plena Biofeedback (iOS) By: Kenneth Nygren
#3. Plena Biofeedback (iOS) By: Kenneth Nygren
#4. Plena Biofeedback (iOS) By: Kenneth Nygren
#5. Plena Biofeedback (iOS) By: Kenneth Nygren
#6. Plena Biofeedback (iOS) By: Kenneth Nygren
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Price History

  • * In-App Purchases
  • Current price: Free
  • Minimum: Free
  • Maximum: $9.99
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AppAgg Score

Estimated AppAgg Score for  
Plena Biofeedback

1,980 Silver

Higher scores usually mean stronger signals on AppAgg.

Based on:  popularity ·  ratings ·  freshness ·  deals ·  store data ·  community signals

Recalculated daily using fresh AppAgg data.

Short URL: Copied!

What's new

  • Version: 2.1
  • Last Updated:
  • What's New

    - Apple Watch sync reliability — Sessions sync to iPhone even when the app was
    in the background. Late-arriving data merges into your session automatically.
    - Subscription syncs to Watch — Your premium status is recognized on Apple
    Watch immediately, including after reinstalling or first-time Watch app
    install.
    - Done button syncs — Pressing Done on either device dismisses the summary on
    both.
    - Redesigned onboarding — Fresh first-launch experience with custom visuals
    and Watch install guidance.
    - Fixed sleep data — Sleep charts now show accurate hours by filtering actual
    sleep stages. No more inflated bars or missing data.
    - Data page stability — Charts no longer disappear after switching apps.
    - Improved consistency chart — Clearer legend explaining bar height and zone
    colors.
    - Restore Purchases accessible from all purchase screens.
    - Bug fixes — Duration averages, sync timeouts, and session summary stability.

Additional Information

Developer

Lists (1)

Points (1)

  • RAY GRANT
    • 14,067 RAY GRANT
    • +1

Rankings (0)

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Summary

Plena BiofeedbackPlena Biofeedback Short URL: Copied!
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«Plena Biofeedback» is a Health & Fitness app for iOS, developed by «Kenneth Nygren». It was first released on and last updated on . This app is currently free. This app has not yet received any ratings on AppAgg. It has been added to 1 public lists and 0 private lists created by users. AppAgg has tracked 1 confirmed points plus 0 indirect points for this app. Available languages: English. AppAgg continuously tracks the price history, ratings, and user feedback for «Plena Biofeedback». AppAgg does not host applications or distribute software. All trademarks, logos and screenshots belong to their respective owners. Subscribe to this app or follow its RSS feed to get notified about future deals or updates.

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