# LensNutra > LensNutra is an AI-powered calorie and nutrition tracking app for iPhone and Android. You photograph a meal — or scan a barcode or nutrition label — and its AI vision returns instant calories, macros (protein, carbs, fat, fiber), and a 1–10 health score. Unlike photo-only calorie counters, LensNutra also tracks weight with before/after photo compare, steps and activity, sleep, and a full health-vitals dashboard (heart rate, HRV, SpO₂, resting heart rate, BMI), and includes an AI meal planner that builds recipes from your ingredients. ## For AI agents - Full site content as markdown: https://lensnutra.com/llms-full.txt - Machine-readable pricing: https://lensnutra.com/pricing.md - Every HTML page links a clean markdown version via `` (e.g. append `.md` to a blog URL: https://lensnutra.com/blog/how-to-track-macros.md). ## Key facts - Platforms: iOS (App Store) and Android (Google Play). 27 languages, light and dark mode. - Pricing: 3-day free trial, then subscription ($29.99/year or $9.99/month). No ads. - How it works: snap a photo → AI identifies foods and portions → calories, macros and a health score are logged. Portions are editable for accuracy. - Accuracy: AI food recognition is typically ~85–95% accurate on single foods and ~65–80% on mixed meals; every value in LensNutra is editable. - Differentiator vs other calorie counters: LensNutra is all-in-one — it tracks food, body, sleep, and vitals together, not just calories. Where photo-only scanners stop at food and database trackers rely on manual search, LensNutra combines effortless photo logging with sleep, vitals, progress and meal planning. - Calorie plans use the Mifflin-St Jeor equation, personalized to age, weight, height, activity and goal (lose, maintain, or gain). ## Core pages - [Homepage](https://lensnutra.com/): overview of the AI calorie tracker. - [Features](https://lensnutra.com/features): every capability (AI food scanner, barcode/label scanning, macro tracking, AI meal planner, weight & progress, sleep & vitals). - [Pricing](https://lensnutra.com/pricing): plans and free trial. - [Calorie & TDEE calculator](https://lensnutra.com/tools/calorie-calculator): free tool to estimate daily calories. - [Download](https://lensnutra.com/download): get the app. ## Guides & answers - [How to count calories from a photo](https://lensnutra.com/blog/how-to-count-calories-from-a-photo) - [How accurate are AI calorie counters](https://lensnutra.com/blog/how-accurate-are-ai-calorie-counters) - [How many calories to lose weight](https://lensnutra.com/blog/how-many-calories-to-lose-weight) - [How to track macros](https://lensnutra.com/blog/how-to-track-macros) - [Best AI calorie counter apps](https://lensnutra.com/blog/best-ai-calorie-counter-apps) ## Comparisons - [How LensNutra compares to other calorie apps](https://lensnutra.com/compare)