Your Window
A weight range grounded in the Diabetes Prevention Program research — a first milestone at 5% of your starting weight, a goal at 7%, paced week by week to your retest date.
The calm prediabetes companion
Know your numbers.
Your real number arrives Sep 24
Know your numbers.
Run your Ninety Loop.
You got a lab number at your physical and a “let’s check again in a few months.” Dulceo turns that moment into a plan: see where your A1C sits on the reference ranges published by the American Diabetes Association, get a research-informed weight and activity target, and count down to your retest — every 90 days, one Loop at a time.
No hardware. No coaching calls. No calorie counting. No account.
9:41●●● ⌁ ▮
dulceo
Loop 2
Prediabetes range
80days to retest
This weekon pace for your Window
−1.6 lb
Plates today2.5 of 3 · dinner open
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What’s inside
Small, steady, evidence-aligned
The Plate Check
Meals are three quick questions: fiber first? solid protein? light on refined carbs? That’s the whole log — no food database, and never a calorie count.
✓ Fiber
✓ Protein
— Light carbs
Labs, in context
Your A1C and fasting glucose history on the reference bands published by the American Diabetes Association — education, not a diagnosis.
Reference ranges published by the ADA
The doctor PDF
One page with your labs, weight trend and plate averages — made to hand to your doctor at the follow-up.
Reminders that respect you
A Monday plan, an optional Sunday weigh-in nudge, and a heads-up when your retest window opens. Everything on your phone, everything optional.
Mon · planSun · weigh-inDay 80 · retest
Private by architecture
No account, no cloud, no analytics. Dulceo has no servers — your health data never leaves your phone. That isn’t a policy promise; it’s how the app is built.
No accountNo cloudNo analyticsNo servers
In the Diabetes Prevention Program study, people who lost 5–7% of body weight and got ~150 minutes of weekly activity reduced their risk of developing type 2 diabetes by 58% (71% for adults over 60). Population-level research — your journey is your own, and your clinician leads it.
The signature mechanic
The Ninety Loop
Blood sugar wellness has a natural rhythm: your A1C reflects roughly three months, so retesting every ~90 days is the common cadence. Dulceo makes that rhythm visible — a countdown on your home screen, a reminder when the retest window opens, and a fresh Loop the moment your new number arrives.
See it in motion
The two-minute walkthrough
Free tools
Start with the calculators
The same published formulas the app uses — free, instant, in your browser. Nothing you type here is stored or sent anywhere.
A1C ↔ eAG converter→
Turn an A1C percentage into the average glucose it reflects — and back.
Prediabetes Risk Test→
Seven questions adapted from the CDC test. A score, not a diagnosis.
Your 5–7% Window→
The Diabetes Prevention Program target, sized to your numbers.
Retest date planner→
Pick your last lab date and plan the next draw.
Pricing
A fraction of the sensor route
Continuous glucose programs run $600–$2,400 a year. Dulceo is built for the lab-and-retest rhythm instead.
Free
$0
Your zone on the ADA bands, weight and lab logging, the Loop countdown, Plate Check.
Pro Annual
$49.99/year
The full Window plan and projection, meal frameworks, food lookup, doctor PDF, waist & blood pressure fields.
Pro Monthly
$7.99/month
Everything in Pro, month by month.
Lifetime
$99.99 once
Every Pro feature, forever. One purchase, no subscription.
Dulceo for iPhone
Coming soon to the App Store. Want in early? Write to pixeyo@gmail.com and we’ll add you to the TestFlight.
iOS 17 or later · iPhone