AllergyLens - Food Scanner
Scan Labels. Stay Safe.
About
Instantly scan food ingredient labels to identify and flag dangerous allergens in real-time. Get clear DANGER, WARNING, or SAFE indicators based on your personal allergen profile. Covers over 15 common allergen categories and allows custom additions.
What's New in AllergyLens
1.3
May 10, 2026
- Scans now auto-save to history — no need to tap Save manually - Fixed camera capture not responding when tapping the scan button - Updated app icon - Improved camera session reliability on iOS 17+ - Fixed issue where dismissing results by swiping could block future scans
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FAQ
What allergens does AllergyLens detect?
AllergyLens includes 15 built-in allergen categories such as peanuts, tree nuts, milk/dairy, eggs, wheat, soy, gluten, shellfish, fish, sesame, mustard, celery, lupin, mollusks, and sulfites. It covers FDA, EU, and international allergen regulations.
Can I add my own allergies to AllergyLens?
Yes, you can add unlimited custom allergens to AllergyLens. The app supports free-text matching for rare or uncommon allergies, ensuring comprehensive coverage for your specific needs.
How accurate is AllergyLens?
AllergyLens uses a 4-stage allergen matching engine that includes direct, derivative, fuzzy, and semantic matching. It also offers three sensitivity levels (Low, Medium, Strict) for maximum safety and accuracy based on your needs.
Does AllergyLens work offline?
Yes, AllergyLens is 100% private and 100% on-device. All OCR, text processing, and allergen matching happen entirely on your iPhone without any network calls, ensuring it works offline.
What devices does AllergyLens support?
AllergyLens is currently supported on iPhone devices. It utilizes Apple's built-in Vision and NaturalLanguage frameworks for its on-device processing.
How much does AllergyLens cost?
AllergyLens is a paid application priced at $2.99. There are no in-app purchases or subscriptions required after the initial purchase.
Does AllergyLens have ads?
No, AllergyLens does not contain advertisements. It is a paid app designed for privacy and uninterrupted use, with all processing done on-device.
Can I scan ingredient lists from photos with AllergyLens?
Yes, AllergyLens allows you to scan ingredient lists from photos. If you cannot point your camera directly at the packaging, you can import any photo of an ingredient label from your photo library.