Built for prediabetes, PCOS & insulin resistance

Know your meal's impact from just a photo

Snap a photo, scan a barcode, or describe your meal. GlucoSpike AI analyzes its likely glucose impact and nutrition, and suggests simple ways to improve it.

7-day free trial • No credit card required • Cancel anytime

GlucoSpike app showing a GS Score of 8 with Minor Impact rating for hard-boiled egg and avocado toast

How the crash works

The 3pm crash isn't willpower. It's your last meal talking.

Here's the loop, start to finish. Once you can see it, you can see where yours breaks.

🍞

You eat

Refined carbs alone

📈

Blood sugar

Spikes fast

Your body overreacts

Sends out too much insulin

📉

Your energy crashes

2–3 hrs after eating

🍬

You crave sugar

And repeat the loop

Your body overreacts to the spike, then crashes you a couple hours later. Then it repeats.

The loop breaks in a different place for everyone. You don't have to guess where yours is. That's the part GlucoSpike shows you, one meal at a time.

Why this exists

Built for my mom. Built for anyone tired of finding out too late.

When my mom was diagnosed with diabetes, the tools that would have actually helped her were either expensive or out of reach. In my community, nearly every household has someone managing this. Almost none of them are going to pay CGM-program money to answer a question as ordinary as "should I eat this?"

She didn't need another device. She needed a straight answer before the meal, not a scary number after it. That's the whole idea here.

Read the full story

Meal one

You get a score before you eat. It isn't a grade. It's a heads-up, so you get to decide instead of finding out later.

Around day 7

One meal is a data point. Three is a trend. Somewhere around day 7 you start noticing it's one thing repeating, not everything.

Week two

You have a short list of meals that reliably work for your body. Not a diet. Just the ones you already know are fine.

How it works

From crash to clarity. In 3 steps.

Snap it. Score it. Walk it off.

Step 1: Snap your meal

Take a photo before you eat. GlucoSpike AI scores it in seconds — no manual logging, no counting. Packaged food? Scan the barcode instead.

Step 2: See your GS Score

Every meal gets a 0–10 GS Score with a Minor, Moderate, or Major Impact rating, a predicted glucose response, and the single change that matters most.

Step 3: Walk it off, build your playbook

A 10-minute post-meal walk supports steady energy — the app tells you the best time and tracks it with one tap. Over time, you learn exactly which meals work for your body.

GlucoSpike dashboard showing today's average GS Score, net-carb progress, logged meals and walks

Snap & Score

Know before you eat. Then walk it off.

Centre your plate, tap once

Point your camera at the plate — GlucoSpike detects the meal, estimates portions, and scores it in seconds. Already ate? Log it after; the score still counts toward your day.

A predicted glucose response, not a guess

See how this meal will likely affect your glucose over the next 2.5 hours — so you can decide: eat it, swap one ingredient, or skip it entirely.

Your post-meal walk window

Every result shows the best time to walk — "within the next 69 minutes" — and a 10-minute target. Tap "I did it" and the walk counts toward your day.

AI Coach

Your AI coach, grounded in your actual day.

A daily net-carb budget that adapts to you

"You're within your 170g net-carb target today." Your coach tracks net carbs, protein, fat, fiber and calories against your target — and tells you what your next meal should look like.

What you're doing right (keep doing this)

Every meal shows your wins: "Choosing whole wheat sourdough is a fantastic move." Build on what works — not just fix what doesn't.

Ask your coach anything

"How can I increase my protein at dinner?" Get plain-English answers based on what you actually ate today — not generic nutrition jargon.

Swap Ideas

Upgrade every meal — one swap at a time.

Specific swaps, with predicted scores

"Replace half the pasta with zucchini noodles → ~8/10." "Reduce the portion by one third → ~9/10." Real suggestions for the meals you already eat — pick the one that feels doable.

Add, replace, or reduce — your choice

Every meal gets multiple paths to a better score: add fiber, swap an ingredient, or shrink the portion. No all-or-nothing rules.

Honest about the estimates

Scores are estimates — actual impact varies by portion, preparation, and your body. GlucoSpike tells you that, right on the screen.

Free Barcode Scanner

Scan the barcode. Skip the label math.

Completely free — for everyone

The barcode scanner is free, no subscription needed. Point your camera at any packaged product and get a GS Score in seconds — we believe everyone deserves to know what's in their food.

4M+ products across 150+ countries

Cereal boxes, protein bars, snack packs — if it has a barcode, GlucoSpike almost certainly knows it. No typing, no searching a database.

A verdict, not just numbers

"Despite being sugar-free, this product is extremely high in refined carbohydrates." Nutrition per 100g, what to note, and a smarter alternative to look for — in plain language.

Trends & Patterns

The patterns are already in your week.

Your week, scored

Average GS Score, trend vs. last week, and every meal that moved it — after 3+ logged meals, your patterns start to surface.

Your spike triggers, ranked

Quick digesting 17×. High carb 14×. GlucoSpike counts exactly which triggers show up most in your spikes — so you know where to focus first.

How you actually felt

Log how you feel after meals — good, sluggish, or crashed. Your energy check-ins connect what you ate to how your day went.

Connections you would never make alone

"You crash harder at midday (11am–1pm)." GlucoSpike surfaces the hidden patterns in your data — and you can ask anything about your week, in plain English.

Real people. Real results.

Different starting points, same question: what does this meal actually do to me?

" Helps me plan meals for my diabetic husband. I love how it shows past choices and makes it easy to repeat what works. Truly a great app that helps me so very much! "


tabler:user-heart

Julia

Flint, MI

" I have prediabetes, and GlucoSpike has helped me learn what a balanced meal really looks like. It is more accurate than other apps for calories and protein — and the gentle tips keep me motivated without guilt. "


tabler:shield-heart

Mich

GlucoSpike user

" After long COVID, I needed something simple and effective. GlucoSpike nails it — the meal patterns, reminders, and focus on energy impact keep me on track daily. "


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Dan

Seattle, WA

" GlucoSpike gives me the Libre Assist-like environment I need, without the CGM cost. It tells me exactly which foods are causing my spikes before they happen. It's part of my ecosystem. "


tabler:activity-heartbeat

Darryl

New York, NY

No sensor, no prescription, no waiting for a scary number.

5 sec
to snap a meal and get your GS Score
4M+
packaged products in the free scanner, across 150+ countries
5%
of what a CGM program costs, so cost is not the reason you wait
Free · 2 Minutes · No Sign-up

Not sure if GlucoSpike is for you?

Take our free prediabetes risk test. It uses CDC-validated screening questions plus symptom signals your body may already be sending you. Find out where you stand in about 2 minutes.

Take the Free Risk Test

1 in 3 adults has prediabetes. 80% have no idea.

Common questions

Is GlucoSpike a good app for prediabetes?

Yes — GlucoSpike was purpose-built as a prediabetes app, not a calorie counter retrofitted for blood sugar. It scores every meal for glucose impact, color-codes each ingredient, suggests swaps, and surfaces your spike patterns week over week — no CGM required. Comparing options? See our ranked guide to the best apps for prediabetes at /best-apps-for-prediabetes.

What's the difference between GlucoSpike and a CGM?

CGMs tell you your glucose number after the spike. GlucoSpike tells you before you eat whether this meal is likely to spike you — every meal gets a 0–10 GS Score plus the same Minor / Moderate / Major Impact language used by leading CGM apps. No sensor required. They work together — many users use both.

How is this different from a CGM like Libre or Dexcom?

A CGM measures your actual glucose after it rises. GlucoSpike predicts the impact before you eat, using AI analysis of your meal photo. It's a planning and pattern tool — not a medical device. Many users use both: GlucoSpike to decide what to eat, their CGM to confirm the result. We use the same Minor / Moderate / Major Impact terminology so the two work naturally together.

What does "insulin resistant" mean, and how does GlucoSpike help?

Insulin resistance means your body doesn't respond well to insulin. When you eat carbs, your pancreas works overtime, you crash hard, and your body stores meals as fat. GlucoSpike shows you exactly which meals cause this, gives you specific swap ideas per meal, and helps you build a stable meal playbook. Most users see energy improvements in 3–4 weeks.

I scored 3 meals but don't see a pattern yet. What should I do?

One meal is a data point. Three meals is a trend. Keep scoring breakfast, lunch, dinner and snacks, and around day 7 to 10 you will usually spot something like "I crash after white bread but not whole grain." It is worth checking whether it is one thing repeating rather than everything. Keep going and the pattern surfaces on its own.

How accurate is the GS Score?

We're not exact. We're close enough to show you the pattern, and that's the part that actually helps. Macro estimates land around 80–85%, based on food science, AI, and your feedback. It isn't a medical device. Your pasta may also spike differently than someone else's, which is why you score your own meals rather than trusting a generic database.

Does GlucoSpike work for weight loss?

Yes, but not as a calorie counter. It works because you discover which meals store fat vs. burn fat, you add protein + fiber which naturally reduces cravings, and you build consistency through pattern recognition. Weight loss follows naturally from stable glucose — no restriction needed.

Is the barcode scanner really free?

Yes — completely free, no subscription needed. It covers 4M+ packaged products across 150+ countries and gives each one a GS Score, the same glucose impact rating you get for home-cooked meals, plus a plain-language verdict on what to note.

How do I restore my purchase?

Go to Settings → Subscription → Restore Purchase. No payment prompt will appear for existing subscribers.

Score three meals this week.

You'll start seeing it by the third one. Breakfast, lunch, whatever's in front of you right now. Point the camera, the app does the scoring, and you find out before you eat instead of at 3pm.

7-day free trial • No credit card • Cancel anytime