Track your blood markers, simply.
Sanguio is a free app to log glucose, uric acid, and ketone readings — from medical exams or home blood test kits. Doctor-ready reports, available on iPhone, iPad, Apple Watch and Android.
Simple. Private. Useful.
Built for people who track blood markers regularly — diabetics, gout patients, people on ketogenic diets — or anyone who just wants a clean history of their lab work.
For you
Log readings in seconds, see clear trends, and spot patterns without building spreadsheets.
For your doctor
Generate detailed PDF reports — with charts and statistics — ready to share at your next appointment.
For your privacy
No accounts, no servers, no analytics. Your data stays in your private iCloud and never leaves your devices.
Everything you need, nothing you don't.
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Glucose, uric acid & ketones
Log readings from any home blood test kit, fast.
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AI Analysis
On-device intelligence spots patterns and trends automatically.
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Doctor-ready reports
Generate detailed reports for any selected period and share with healthcare professionals.
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Apple Watch + Widget
Log readings on the go, straight from your wrist — no need to open your iPhone.
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Calendar view
See your readings organized by day, week, and month.
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iCloud sync
On Apple devices, your data stays in your private iCloud, synced across iPhone, iPad, and Apple Watch.
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Free and private
No accounts, no analytics, no ads. Your data never leaves your devices.
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iPhone, Android & Apple Watch
One app, available on every device you own.
On your wrist, whenever you need.
The Apple Watch app lets you log and check your markers without taking your iPhone out of your pocket. Everything syncs back automatically.
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Log readings from your wrist
Add a value in seconds, even when your iPhone isn't nearby.
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Watch face complication
See your latest reading right on your watch face.
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History and trends
Browse recent readings and see how things are trending — on your wrist.
See the app in action.
Requires iOS 18.6 or later, or Android 8.0 or later.
Have questions?
Is it really free? +
Yes — fully free, no in-app purchases, no ads, and no data collection.
Where is my data stored? +
On Apple devices, in your private iCloud, synced across iPhone, iPad, and Apple Watch via CloudKit. We don't run servers and have no access to your data.
Is it available on Android? +
Yes — Sanguio is available for iPhone, iPad, and Apple Watch (iOS 18.6 or later) and also for Android phones (8.0 Oreo or later) on the Google Play Store.
Download Sanguio. It's free.
No subscriptions, no ads. Works on iPhone, iPad, Apple Watch, and Android.