DiabetesOS

A private, offline daily tracker for Type 1 and Type 2 diabetes patients walking into endocrinology visits prepared. Glucose log with fasting, pre and post-meal (1hr + 2hr), bedtime, and 3am readings - auto-flagged for hypo (less than 70) and severe hypo (less than 54).

Insulin log: basal Lantus, Levemir, Tresiba, Toujeo with bolus Humalog, Novolog, Apidra, Fiasp by site. Oral medications: metformin, Ozempic, Trulicity, Mounjaro, Jardiance, Farxiga, Januvia, sulfonylureas - dose, days on, side effects. A1C quarterly trend. Carbs, protein, fat per meal.

Exercise minutes (ADA 150 min weekly target). Hypo and hyper events with severity and response. Blood pressure, weight, daily foot check (T2 ulcer prevention), annual dilated eye exam, kidney function (eGFR plus uACR). Endocrinologist visit log with topics, outcome, and questions for next time.

CGM and pump data note (Dexcom G7, Freestyle Libre 3, Omnipod 5, Tandem t:slim X2, Medtronic 780G). Single HTML file. No account, no cloud, no subscription. Add to home screen for offline phone use.

WHAT'S INCLUDED

• Glucose log - fasting, pre/post meal +1h +2h, bedtime, 3am, with auto hypo + severe hypo flags
• Insulin tracker - basal (Lantus, Levemir, Tresiba, Toujeo) + bolus (Humalog, Novolog, Apidra, Fiasp) by site
• Oral meds + GLP-1 - metformin, Ozempic, Trulicity, Mounjaro, Jardiance, Farxiga, Januvia, sulfonylureas
• A1C quarterly trend - track results, see whether new meds + lifestyle moved the needle
• Carbs and meals log - per-meal carbs, protein, fat - drives glucose response
• Exercise log - minutes + intensity, ADA 150 min weekly moderate target
• Hypo + hyper events - severity, response, glucose tabs, correction bolus history
• Daily foot check - cuts, blisters, swelling, sensation - T2 ulcer prevention
• Annual dilated eye exam + kidney function (eGFR + uACR) tracker
• Blood pressure log - target less than 130/80 - and weight trend
• Endocrinologist visit log - clinician, topics, outcome, top 3 questions for next time
• CGM + pump data note - Dexcom G7, Freestyle Libre 3, Omnipod 5, Tandem t:slim X2, Medtronic 780G
• Glucose chart 7/30/90 day with target band overlay (70-180 mg/dL)
• 100% private and offline - data lives only on your device, no cloud, no analytics
• Single HTML file - laptop + iPhone + Android home screen, fully offline

100% PRIVATE AND OFFLINE

Your diabetes record is yours. This app never sends a single byte to a server. No account, no cloud, no analytics, no tracking. Glucose readings, insulin doses, A1C history, medication side effects, foot checks, endocrinologist questions live only on your device.

This matters when you are sharing a printout with your doctor but do not want a vendor sitting on a sensitive metabolic record.

WORKS ON ALL DEVICES

Open on laptop. Add to home screen on iPhone (Safari) or Android (Chrome) as an app. One file, all devices. Works fully offline.

INSTANT DOWNLOAD

Download once, use forever. No subscription, no renewal, no expiry.

PERFECT FOR

• Type 1 and Type 2 diabetes patients seeing an endocrinologist
• Anyone on insulin (basal + bolus, pen or pump)
• Patients on metformin, Ozempic, Mounjaro, Trulicity, Jardiance, or Farxiga
• Patients with a Dexcom G7 / G6 or Freestyle Libre CGM
• Patients walking into a quarterly A1C review
• Newly diagnosed patients learning to log glucose + carbs
• Caregivers tracking glucose for a parent or child with diabetes

Questions? Message us on Etsy - we reply within 24 hours.

Disclaimer: This is a personal tracking tool, not medical advice. Always work with your endocrinologist for diagnosis, insulin dosing, and treatment changes. If severe hypoglycemia (less than 54 mg/dL) - take 15g glucose tabs immediately.

If symptoms of DKA (high glucose plus nausea plus fruity breath plus rapid breathing) - call 911.