Track your blood markers, simply.
Sanguio is a free iOS app to log glucose, uric acid, and ketone readings — from medical exams or home blood test kits. Doctor-ready reports, seamlessly synced across iPhone, iPad, and Apple Watch.
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
Your data stays in your private iCloud, synced across all your Apple devices.
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Free and private
No accounts, no analytics, no ads. Your data never leaves your devices.
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iPhone, iPad & Apple Watch
One app, synced across every Apple 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.
Have questions?
Is it really free? +
Yes — fully free, no in-app purchases, no ads, and no data collection.
Where is my data stored? +
In your private iCloud, synced across your Apple devices via CloudKit. We don't run servers and have no access to your data.
Is it available on Android? +
Currently iPhone, iPad, and Apple Watch only. An Android version is coming soon.
Download Sanguio. It's free.
No accounts, no subscriptions, no ads. Works on iPhone, iPad, and Apple Watch.