Chart35
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About this app
Chart35 is a private fertility-charting app for the Creighton Model FertilityCare System (CrMS). Record each day's observation, see your color-coded stamp and chart, and keep your record on your own device.
YOUR DATA STAYS WITH YOU
Chart35 is offline-first. Your observation
Chart35 Sync is an optional paid subscription. Existing subscribers can use Sync in the Android app; subscriptions cannot be purchased in the Android app. Local charting, history, export, and account deletion remain free.s live on your device and the app works with no connection. Account sync is optional. When you turn it on, your records are encrypted on your device before they are uploaded, so the server stores data it cannot read.
CHART THE WAY YOU WERE TAUGHT
- Color-coded stamps: red, green, white, and yellow, matching standard CrMS charting.
- Observation codes for bleeding, mucus, and frequency, built from the codes you already use.
- Peak Day and post-peak count tracking.
- Chart and calendar views, with Normal, Compact, and Trend zoom to see one cycle or many at a glance.
SHARE WITH YOUR PRACTITIONER
Generate a read-only link to your chart for your FertilityCare Practitioner. The link is encrypted so the server cannot read the shared data, and you can revoke it at any time.
BUILT FOR REVIEW
Your notes stay private and are never included in a shared chart. You decide what syncs and what is shared.
ABOUT THE METHOD
Chart35 is a charting and record-keeping tool. It is not medical advice and does not interpret your fertility for you. The Creighton Model is learned with a certified FertilityCare Practitioner. Yellow-stamp (Base Infertile Pattern) use in particular should only follow a baseline established with your practitioner. To find a practitioner, see your instructor or a FertilityCare center.
Chart35 is independent and is not affiliated with or endorsed by the Saint Paul VI Institute or the creators of the Creighton Model System. "Creighton Model" and "FertilityCare" refer to the method and are used to describe what the app charts.
YOUR DATA STAYS WITH YOU
Chart35 is offline-first. Your observation
Chart35 Sync is an optional paid subscription. Existing subscribers can use Sync in the Android app; subscriptions cannot be purchased in the Android app. Local charting, history, export, and account deletion remain free.s live on your device and the app works with no connection. Account sync is optional. When you turn it on, your records are encrypted on your device before they are uploaded, so the server stores data it cannot read.
CHART THE WAY YOU WERE TAUGHT
- Color-coded stamps: red, green, white, and yellow, matching standard CrMS charting.
- Observation codes for bleeding, mucus, and frequency, built from the codes you already use.
- Peak Day and post-peak count tracking.
- Chart and calendar views, with Normal, Compact, and Trend zoom to see one cycle or many at a glance.
SHARE WITH YOUR PRACTITIONER
Generate a read-only link to your chart for your FertilityCare Practitioner. The link is encrypted so the server cannot read the shared data, and you can revoke it at any time.
BUILT FOR REVIEW
Your notes stay private and are never included in a shared chart. You decide what syncs and what is shared.
ABOUT THE METHOD
Chart35 is a charting and record-keeping tool. It is not medical advice and does not interpret your fertility for you. The Creighton Model is learned with a certified FertilityCare Practitioner. Yellow-stamp (Base Infertile Pattern) use in particular should only follow a baseline established with your practitioner. To find a practitioner, see your instructor or a FertilityCare center.
Chart35 is independent and is not affiliated with or endorsed by the Saint Paul VI Institute or the creators of the Creighton Model System. "Creighton Model" and "FertilityCare" refer to the method and are used to describe what the app charts.
Creighton Model charting - private, offline-first, optional paid Sync.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
- No data shared with third partiesLearn more about how developers declare sharing
- This app may collect these data typesPersonal info and Health and fitness
- Data is encrypted in transit
- You can request that data be deleted
What’s new
Removed Google Analytics from the bundled app and replaced it with self-hosted Umami. Analytics remains opt-in and cookieless, with in-app routes and session recording excluded.
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About the developer
Stephens Page LLC
jacob@stephens.page
3965 Lancaster Ave
Philadelphia, PA 19104-4636
United States
+1 267-320-5474
