PulseBridge vs HeartCast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PulseBridge
This app transforms your iPhone into a real-time heart rate transmitter for compatible fitness equipment. It reads heart rate data from AirPods Pro 3 via Apple Health and broadcasts it using standard Bluetooth, allowing devices like Peloton and Zwift to receive your BPM as if it were a chest strap. All data is securely logged to Apple Health.
- Real-time heart rate streaming
- Bluetooth HR broadcasting
- Apple Health workout logging
- Peloton and Zwift compatible
- Privacy-focused, no tracking
- Ad-free and subscription-free
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PulseBridge brings your heart rate to the devices that need it. Whether you ride a Peloton, run with Zwift, or train on Bluetooth-enabled cardio gear, PulseBridge turns your iPhone into a real-time Heart Rate transmitter. How it works Reads live heart-rate data from AirPods Pro 3 through Apple Health. Broadcasts your heart rate using the standard Bluetooth Heart Rate Profile. Your Peloton or fitness device simply pairs with your iPhone or iPad as if it were a chest strap. Launch the peloton class on your phone and listen sync the audio. All heart-rate samples are safely written to Apple Health. Features Live, accurate BPM streaming Apple Health workout logging Peloton-ready Bluetooth HR broadcasting Modern, minimal interface Zero accounts, zero ads, zero tracking Peloton class awareness Why it’s better PulseBridge uses native HealthKit and CoreBluetooth APIs for speed, privacy, and reliability. Your data stays on your device and in your iCloud Health backup — nowhere else. No subscription. One time payment. Privacy First PulseBridge does not collect, store, transmit, or share any personal data outside of Apple Health.
HeartCast
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BeatCast is a pure software solution that broadcasts real-time heart rate from your Apple Watch to cycling computers via Bluetooth Low Energy (BLE) — no chest strap needed. Key Features: • Direct Mode: Apple Watch broadcasts BLE heart rate signal directly. Search for "heart-watch" on your bike computer to connect. • Bridge Mode: Watch sends heart rate to iPhone, which broadcasts BLE signal (device name "heart-phone") for broader bike computer compatibility. • Real-time Sync: Watch and iPhone stay in sync via WatchConnectivity. • 5 Heart Rate Zones: Based on the Karvonen HRR formula, with customizable age and resting HR. • Dynamic Island & Lock Screen: Live heart rate, zone name, and connection status at a glance. • Privacy First: All data processed locally on device. No data uploaded to any server. Fully compliant with privacy regulations. Perfect for: • Monitoring heart rate on your bike computer while cycling • Replacing a traditional chest strap with just your Apple Watch • Tracking heart rate zones during indoor training
Screenshots
Verdict
The clearest difference is price: HeartCast at Free against PulseBridge's $3.99. HeartCast also leads on update cadence (daily vs every 6 weeks) and iOS requirement (16.0 vs 26.1). On ads, in-app purchases 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
HeartCast is free to download; PulseBridge costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
PulseBridge ships an update every 6 weeks, HeartCast daily. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.
| Parameter | PulseBridge | HeartCast |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.3 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 26.1 | 16.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Samuel Selva-Rodriguez | Sichuan Palm Cloud Technology Co., Ltd. |
In-app purchases
PulseBridge
No in-app purchases
HeartCast
No in-app purchases
