The Yllo app
Eat with confidence, every label.
Yllo scans any product's barcode and tells you in seconds whether it fits your food intolerances — FODMAPs, histamine, oxalates, lactose, gluten and more. Private by design, no account needed.
- ✓No account required
- ✓Your data stays on your device
- ✓Science-anchored database
Everything you need at the shelf
Built for real grocery runs — fast, clear, and tuned to your own profile.
Instant barcode scan
Point your camera at any product. Yllo reads the ingredient list and matches it against your intolerances.
Personal intolerance profiles
Set up one profile per family member. Each scan is judged against that profile's sensitivities.
Ingredient-level analysis
Every recognized ingredient is highlighted and color-coded by severity, so you see exactly what triggers a flag.
Wellness Path mode
An optional wellness view that rates products on sugar, processing (NOVA), salt and additives to support a calmer gut.
Multi-language labels
Ingredients are read in your app language whenever the producer provides them — English, French and Spanish.
Private & offline-friendly
No sign-up, no tracking. Your scans and profiles never leave your phone.
How it works
- 1
Create your profile
Pick the intolerances that matter to you. It takes under a minute.
- 2
Scan a product
Tap the scan button and aim at the barcode. Yllo fetches and reads the label.
- 3
Get a clear verdict
See an at-a-glance risk badge plus the exact ingredients to watch.
Privacy you can actually trust
Yllo doesn't require an account and doesn't sell or share your data. Your scanned products and intolerance profiles are stored locally on your device.
Frequently asked questions
Is Yllo free?+
Yllo is free to use. An optional Premium subscription unlocks the full scan history and the Wellness Path features.
Which intolerances are covered?+
FODMAPs, histamine, oxalates, salicylates, lactose, fructose, gluten, nickel and several others, with graded tolerance levels per food.
Where does the data come from?+
Product data comes from the open OpenFoodFacts database; intolerance profiles come from a curated, science-anchored food database.
Is Yllo a medical device?+
No. Yllo is an informational tool to help you make choices. Always confirm with the label and your healthcare professional.
Make every shop calmer.
Download Yllo and scan your first product in under a minute.
Get it on Google Play