Comparison

Flutter vs HearBeats

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

Head to head
About

Flutter

Experience your heartbeat as a live haptic sensation on your wrist. Connect with loved ones by sharing real-time heartbeats, fostering a sense of presence and intimacy across any distance. Choose from various haptic styles for a personalized and calming experience.

Highlights
  • Live haptic heartbeat feedback on Apple Watch
  • Solo Sync for personal awareness
  • Partner Sync for sharing with others
  • Real-time BPM display
  • Multiple haptic pulse styles
  • Invite-based partner pairing
Features
Read full description

Flutter lets you feel a heartbeat directly on your wrist through Apple Watch. Designed for calm, focused awareness, Flutter turns heartbeat into a live haptic experience you can physically feel in real time. During a session, Flutter reads heart rate, displays BPM clearly, and translates each beat into a precise pulse on your wrist. Different haptic styles let you choose the sensation that feels most comfortable or meaningful. Flutter includes Solo Sync for personal heartbeat awareness and Partner Sync for sharing live heartbeats with someone you care about. Couples, friends, and family can connect through invite-based sessions and experience real-time heartbeats together, creating a simple and intimate way to stay connected across any distance. Sessions are easy to start and stop, with a minimal interface designed to stay out of the way and keep attention on rhythm, presence, and connection. Features • Solo Sync for personal heartbeat awareness • Partner Sync for sharing live heartbeats with another person • Real-time heart rate (BPM) display • Live haptic heartbeat feedback on Apple Watch • Multiple haptic pulse styles • Invite-based partner pairing • Minimal, distraction-free interface • Account deletion from the Profile screen Flutter is a quiet, modern way to feel rhythm, presence, and connection. • Privacy Policy: https://flutter.cyberian.tech/privacy.html • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HearBeats

Features
Read full description

Listen to your own heart beat. HearBeats streams your live heart rate from Apple Watch to your iPhone, which plays a synthesized stethoscope "lub-dub" in real time, at exactly your current rate. No account, no data collection — your heart rate goes straight from your Watch to your phone and nowhere else. • Live mode: pairs with Apple Watch for real-time heart rate sonification • Demo mode: hear how it works without a Watch • Mix with your music or listen on its own, with adjustable heartbeat volume • Nothing is saved to Health or anywhere else — the workout session used to read your heart rate is discarded • Feel your heartbeat: haptic taps on iPhone and Apple Watch, in time with every beat

Screenshots

Flutter4 screens
HearBeats3 screens

Verdict

The call

The clearest difference is in-app purchases: HearBeats at none against Flutter's 3. On price, update cadence, ads and device support 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. Flutter sells 3 in-app purchases, starting at $14.99 per month. HearBeats asks for nothing beyond the download.

UpkeepUpdate frequency

Flutter ships an update every 3 weeks, HearBeats every 6 weeks. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
Flutter versus HearBeats: the parameters behind the verdict, then further details
ParameterFlutterHearBeats
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS17.617.0 — better
Further details — not scored
Size21 MB2 MB
Age rating4+4+
DeveloperCYBERIAN TECHNOLOGIES LLCChristopher Johnson

In-app purchases

3 purchases

Flutter

Subscriptions3
  • Partner Sync (Monthly)7 Days trial$14.991 Month
  • Partner Sync Quarterly7 Days trial$39.993 Months
  • Partner Sync Annual7 Days trial$119.991 Year
None

HearBeats

No in-app purchases

Questions

Is Flutter free?
Flutter is free to download, with in-app purchases available.
Is HearBeats free?
HearBeats is free to download, with no in-app purchases.
Do Flutter or HearBeats have ads?
Neither Flutter nor HearBeats shows ads.
Which is updated more often, Flutter or HearBeats?
Flutter ships an update every 3 weeks, and HearBeats every 6 weeks. Most recently, Flutter was updated on October 31, 2026 and HearBeats on October 31, 2026.

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