Comparison

Dyad Timer vs Plena Biofeedback

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

Head to head
About

Dyad Timer

This app provides a straightforward timer for dyad communication meditations. It features a circular display for round and dyad progress, with customizable settings and alerts for completion. Inspired by the Satori Process, it simplifies timing these sessions.

Highlights
  • Simple dyad timer
  • Circular timer display
  • Customizable timer settings
  • Round and dyad completion alerts
  • Inspired by Satori Process
Features
Read full description

A simple timer app designed for dyad communication meditations. Begin timing dyads quickly and easily. Circular timer display shows round and dyad progress. Default timer set to 40 minutes with 5 minute rounds. Customize timer settings for longer or shorter dyads. Alerts indicate when rounds and dyad are complete. Inspired by the Satori Process.

About

Plena Biofeedback

Features
Read full description

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/

Screenshots

Dyad Timer3 screens
Plena Biofeedback4 screens

Verdict

The call

The clearest difference is in-app purchases: Dyad Timer at none against Plena Biofeedback's 2. Plena Biofeedback's advantage is device support (3 vs 1). On price, ads 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. Plena Biofeedback sells 2 in-app purchases, starting at $9.99 per month. Dyad Timer asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Dyad Timer versus Plena Biofeedback: the parameters behind the verdict, then further details
ParameterDyad TimerPlena Biofeedback
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequency—Every 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS16.2 — better17.6
Further details — not scored
Size1 MB19 MB
Age rating4+4+
DeveloperJonathan HarrisKenneth Nygren

In-app purchases

None

Dyad Timer

No in-app purchases

2 purchases

Plena Biofeedback

Subscriptions2
  • Plena Premium (Monthly)$9.991 Month
  • Premium Annual$59.991 Year

Questions

Is Dyad Timer free?
Dyad Timer is free to download, with no in-app purchases.
Is Plena Biofeedback free?
Plena Biofeedback is free to download, with in-app purchases available.
Do Dyad Timer or Plena Biofeedback have ads?
Neither Dyad Timer nor Plena Biofeedback shows ads.

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