Cardiograph - Heart Rate Meter
com.macropinch.hydra.android
FreeContains adsEveryone
Key numbers
1M+Installs
2.8 / 196KRating
Jan 21, 2011Released
Jan 30, 2026Updated
Listing text
How fast is your heart beating? Measure your pulse.
Cardiograph is an application which measures your heart rate. You can save your results for future reference and keep track of multiple people with individual profiles.Cardiograph uses your device's built-in camera or dedicated sensor to calculate your heart's rhythm - the same approach used by professional medical equipment!✓ Measure your heart rateIt's never been easier to know what your heart rate is!…
Get this app from the API
curl -H "X-API-Key: $API_KEY" \ "https://apiplay.net/api/v1/app?id=com.macropinch.hydra.android"
import requests
r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'com.macropinch.hydra.android'},
headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()const res = await fetch('https://apiplay.net/api/v1/app?id=com.macropinch.hydra.android', {
headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();$ch = curl_init('https://apiplay.net/api/v1/app?id=com.macropinch.hydra.android');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);1,000 free credits a month, no card needed. API reference
Screenshots
Fields in the API response
| Package name | com.macropinch.hydra.android |
|---|---|
| Developer | MacroPinch |
| Developer website | macropinch.com |
| Category | Health & Fitness |
| Installs (exact) | 27,588,437 |
| Ratings | 195,701 |
| Reviews | 5,337 |
| Price | Free |
| In-app purchases | No |
| Ads | Yes |
| Content rating | Everyone |
| Requires Android | 2.3.3 |
| Released | Jan 21, 2011 |
| Last update | Jan 30, 2026 |
| Record refreshed | Oct 27, 2026 |
Rating breakdown
563K
418K
316K
212K
188K
