PeakDay Fertility Tracker
com.peakday
FreeIn-app purchasesEveryone
Key numbers
1K+Installs
3.5 / 745Rating
Feb 21, 2023Released
Sep 28, 2026Updated
Listing text
Period, cycle & ovulation calculator to learn, chart & understand your health!
Quickly record your daily fertility signs or symptoms, like basal body temperature and cervical mucus. Record up to 60 custom fields, like nutrition or emotional symptoms.PeakDay provides you with an easy way to chart your cycle and connect with a community to ask questions. You can also use PeakDay to share charts. Charts and data can be accessed from multiple devices, so both spouses can be involved in charting an…
Get this app from the API
curl -H "X-API-Key: $API_KEY" \ "https://apiplay.net/api/v1/app?id=com.peakday"
import requests
r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'com.peakday'},
headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()const res = await fetch('https://apiplay.net/api/v1/app?id=com.peakday', {
headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();$ch = curl_init('https://apiplay.net/api/v1/app?id=com.peakday');
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.peakday |
|---|---|
| Developer | Fertility Science Institute |
| Developer website | peakday.com |
| Category | Health & Fitness |
| Installs (exact) | 497,875 |
| Ratings | 745 |
| Reviews | 25 |
| Price | Free |
| In-app purchases | $4.99 - $59.99 per item |
| Ads | No |
| Content rating | Everyone |
| Current version | 3.0.19 |
| Requires Android | 7.0 |
| Released | Feb 21, 2023 |
| Last update | Sep 28, 2026 |
| Record refreshed | Oct 27, 2026 |
Rating breakdown
5372
469
323
2139
1139
