About this app

Make informed food choices in seconds. UnitLens is your pocket nutrition assistant. Simply scan a product barcode to instantly access detailed nutrition information, ingredient lists, allergen warnings, and food quality scores — all powered by the world's largest open food database. SCAN & DISCOVER Instant barcode scanning with your camera Manual barcode entry for damaged labels Batch scanning mode for quick grocery trips Photo library import for receipts and screenshots COMPREHENSIVE NUTRITION DATA Full nutrition facts per 100g and per serving Calories, fats, carbs, proteins, fiber, sodium, and more Nutri-Score (A-E) for at-a-glance nutritional quality NOVA food processing classification (1-4) Complete ingredient lists ALLERGEN SAFETY Set your allergen profile once, get alerts automatically Highlights products containing your allergens Supports common allergens: gluten, dairy, nuts, soy, eggs, and more Peace of mind for you and your family ORGANIZE YOUR FAVORITES Save products to favorites for quick access View recent scans Sync across all your devices with iCloud PRIVACY FIRST No account required No ads, no tracking Your data stays on your device Open-source nutrition data from Open Food Facts DESIGNED FOR EVERYONE Full VoiceOver accessibility support Dynamic Type for comfortable reading Works on iPhone and iPad Keyboard shortcuts for iPad productivity POWERED BY OPEN FOOD FACTS UnitLens uses data from Open Food Facts, a collaborative, free, and open database of food products from around the world. With over 3 million products and growing, you'll find nutrition information for products from every aisle. Whether you're managing diabetes, tracking macros, avoiding allergens, or simply trying to eat healthier — UnitLens gives you the information you need to make better choices at the grocery store, at home, or anywhere. Download UnitLens today and take control of what you eat.

Latest release

What’s New

Version 1.9 Jul 8, 2026

Introducing Side-by-Side Compare — pick two products and compare price per unit, Nutri-Score, processing, and personal safety (allergens + diet) at a glance to find the better buy. Also: region-aware default units (imperial in the US, metric elsewhere), a simpler iCloud sync screen, sharper Food/Beauty search, better large-text support, and reliability fixes.

Audience growth

Ratings growth

Steady

7-day gain +0

Ratings / day 0.0

30-day gain +0

US rating-count history

0 ratings

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking