AI-powered allergen detection that reads labels so you don't have to. Scan any product. Know in seconds. Stay safe.
For millions of people, every grocery trip is a gamble. Tiny text. Foreign languages. Hidden derivatives. A single overlooked ingredient can trigger a life-threatening reaction.
Parents read every label twice. Teenagers avoid eating out. Travellers carry laminated allergy cards in four languages. It shouldn't be this hard to eat safely.
Allergen Guard was born from this exact frustration — a personal experience turned into a mission to make food safety instant, intelligent, and accessible to everyone.
From barcode scanning to emergency calls — every feature designed for when it matters most.
Point your camera at any barcode. Product data is fetched instantly from OpenFoodFacts — name, brand, ingredients, allergens, and traces. Know what you're eating in under 3 seconds.
No barcode? Snap a photo of any ingredient label. Google Gemini 2.5 Flash analyzes the text, extracts every ingredient, and cross-references your allergy profile. Works with handwritten menus too.
500+ synonym keywords across 5 languages. "Kasein" maps to milk. "Lécithine" maps to soy. Works offline, catches derivatives human eyes miss, and supports 16 major allergen categories.
During an allergic reaction, every second counts — and your hands may be occupied with an EpiPen. Say "Hey Siri, Allergen Emergency" to instantly call your preset emergency contact. Completely hands-free. Potentially life-saving.
Anaphylaxis can cause throat swelling, dizziness, and loss of consciousness within minutes. Fumbling with a phone isn't an option. Allergen Guard integrates with Siri to call your emergency contact with a single voice command — even when your hands are occupied with an EpiPen.
From scan to verdict in under 3 seconds. No account required.
Point your camera at a barcode or ingredient label. The app detects it automatically — no button press needed.
Gemini AI reads ingredients, matches against your allergen profile across 500+ synonyms in 5 languages.
Clear traffic-light result: Safe, Caution, or Avoid — with confidence scores and detailed allergen breakdown.
152 products systematically validated with manually-curated ground truth data. Every claim backed by numbers.
"Endlich kann ich im Supermarkt selbstständig einkaufen, ohne Angst."
— Test subject, 16 years old, peanut allergy
17,000+ lines of Swift. Zero external dependencies. Every framework chosen for reliability and performance.
Two students, 280+ hours of work alongside school, one mission: make food safe for everyone.
Allergen Guard is coming to the App Store. Join the mission.