Free Blood Sugar Tracker App: Log Glucose In Seconds
A free blood sugar tracker turns scattered meter readings into a clear picture: when your glucose rises, how meals and exercise affect it and whether your routine is working.
Why Track Your Blood Sugar
Your meter shows one number at a time. Tracking those numbers over days and weeks reveals patterns — high mornings, post-meal spikes or lows at night — that you and your doctor can act on.
What To Record With Each Reading
- The value and unit (mg/dL or mmol/L).
- The context: fasting, before a meal, 2 hours after a meal, before or after exercise, bedtime.
- The exact time — you can add past readings with the date and time picker.
- Optional notes: meal, insulin, stress or illness.
How Often Should You Check?
It depends on your treatment. People on insulin may test several times a day, while others check fasting and after one meal a few days a week. Follow your care team’s plan and log every reading so trends are reliable.
What You Get For Free In BP & Sugar
- Unlimited glucose and blood pressure logging.
- Automatic zones based on ADA ranges.
- Graphs for 7, 30, 90 days and 1 year.
- Time in range and weekly averages.
- Daily check and medication reminders.
Premium adds PDF and CSV reports, estimated A1C, family profiles and an ad-free experience.
To understand your numbers, see Normal Blood Sugar Levels: Chart By Time Of Day.
Frequently Asked Questions
Is BP & Sugar really free?
Yes. Logging, zones, graphs and reminders are free. Premium is optional.
Does the tracker work offline?
Yes, all readings are stored on your iPhone and the app works without internet.
This content is for information only and does not replace advice from your doctor. If you think you have very low or very high blood sugar, or a blood pressure above 180/120 mmHg with symptoms, seek medical help immediately.
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