# Callie — AI Calorie Tracker > Callie is the world's easiest AI-powered calorie tracker for iOS and Android. Log meals in 30 seconds by snapping a photo, speaking, or typing. The app UI is localized in English, French, Spanish, German, Arabic, and Japanese; the AI coach chats in any language in the world. (This website is published in English, French, Spanish, German, and Arabic.) From Inlab Products. Built to care about your sanity, not just numbers. ## Product - [Homepage](https://www.mycallie.app/en): Product overview, features, screenshots, and download links. - [Features](https://www.mycallie.app/en#features): Photo logging with edit-before-confirm (no surprise auto-logs), voice and text logging, BMI-matched daily diet and exercise plans, GitHub/HabitKit-style streak dashboard, scheduled cheat days that preserve your streak, menu scanner, weight tracker, AI coach in any language, personalized goals. - [How it works](https://www.mycallie.app/en#how-it-works): Three-step flow — download & personalize, log without friction, see momentum. - [Screenshots](https://www.mycallie.app/en#screenshots): In-app interface examples. - [Reviews](https://www.mycallie.app/en#reviews): Real member testimonials. ## Download - [App Store (iOS)](https://apps.apple.com/us/app/callie-ai-calorie-tracker/id6748760925): Free download, iOS 18.2+. - [Google Play (Android)](https://play.google.com/store/apps/details?id=com.tracker.callie): Free download. ## Guides (long-form pillar resources) - [The Complete Guide to AI Calorie Tracking (2026)](https://www.mycallie.app/en/guides/ai-calorie-tracking): How AI calorie tracking actually works — computer vision, voice transcription, multi-language logging, and where the technology still falls short. - [Calorie Deficit Calculator (TDEE + BMR) & Complete Guide](https://www.mycallie.app/en/guides/calorie-calculator): Free calorie deficit calculator using Mifflin-St Jeor — get your BMR, TDEE, and recommended daily calories for losing or gaining weight. - [How to Lose Weight With a Calorie Tracker (2026 Guide)](https://www.mycallie.app/en/guides/how-to-lose-weight-with-a-calorie-tracker): A science-backed guide to losing weight with a calorie tracker — deficits, timelines, plateaus, and how to do it without becoming obsessive. - [Intermittent Fasting: 16:8, 18:6, OMAD Explained (2026)](https://www.mycallie.app/en/guides/intermittent-fasting): Compare 16:8, 18:6, OMAD, and 5:2 intermittent fasting schedules — evidence quality, who they work for, who should not fast, and how to combine with calorie tracking. - [Keto Macro Calculator & Beginner's Guide (2026)](https://www.mycallie.app/en/guides/keto-macro-calculator): Free keto macro calculator with fat/protein/carb ratios — plus a complete beginner's guide to the ketogenic diet, electrolytes, and who shouldn't try keto. ## Blog (articles, how-tos, explainers) - [AI Calorie Apps Underestimate Meals by up to 345 Calories: What the 2026 NIH Study Found](https://www.mycallie.app/en/blog/ai-calorie-app-accuracy-study-2026): NIH researchers photographed 102 meals from a metabolic kitchen and logged them in four popular photo-based calorie apps. Every app came in low. Here is what the study actually tested, and what it means for how you log. - [GLP-1 and Muscle Loss: The Protein Numbers That Protect Lean Mass (2026)](https://www.mycallie.app/en/blog/glp-1-muscle-loss-protein): Weight lost on a GLP-1 is not all fat. What the 2025 four-society advisory recommends for protein, why distribution across the day matters more than the daily total, and how to hit the number when you are not hungry. - [Why Most People Quit Calorie Tracking Within a Month (And How Not To)](https://www.mycallie.app/en/blog/why-people-quit-calorie-tracking): Quitting a calorie tracker is a design problem, not a discipline problem. The four things that actually end the habit, why consistency beats precision, and how to build a streak that survives a bad week. - [Calorie Counting vs Macro Tracking: Which Should You Actually Do? (2026)](https://www.mycallie.app/en/blog/calorie-counting-vs-macro-tracking): Calories decide whether you lose weight; macros decide what you lose and how you feel doing it. A practical head-to-head, plus free calculators for both. - [MyFitnessPal vs Cal AI (2026): Same Owner, Two Apps — Which Should You Use?](https://www.mycallie.app/en/blog/myfitnesspal-vs-cal-ai): MyFitnessPal acquired Cal AI in 2026. Here's what changed, how the two apps actually differ now, what each one costs, and which one fits how you log. - [MyFitnessPal vs Lose It! (2026): What You Actually Get for Free](https://www.mycallie.app/en/blog/myfitnesspal-vs-lose-it): Both apps moved AI logging behind a paywall in 2026. A free-tier-first comparison of MyFitnessPal and Lose It! — what's gated, what each costs, and which to pick. - [How Long Does It Take to Lose Weight? (Realistic Timelines, 2026)](https://www.mycallie.app/en/blog/how-long-does-it-take-to-lose-weight): How long to lose 10, 20, or 50 lb — realistic timelines based on a safe rate of loss, why the first weeks are faster, and what actually speeds it up. - [How to Lose Weight Without Exercise (The Honest Guide, 2026)](https://www.mycallie.app/en/blog/how-to-lose-weight-without-exercise): You can lose weight without the gym — diet drives ~80% of it. Here's the evidence-based playbook: deficit, protein, fiber, liquid calories, NEAT, and sleep. - [How to Track Calories Accurately (And Stop Under-Logging by 40%)](https://www.mycallie.app/en/blog/how-to-track-calories-accurately): Most people under-log calories by 20–40% without knowing it. Here's how to track accurately — portion estimation, the hidden calories, and a faster method. - [Intermittent Fasting vs Calorie Counting: Which Actually Works? (2026)](https://www.mycallie.app/en/blog/intermittent-fasting-vs-calorie-counting): A head-to-head on weight loss, muscle, hunger, and adherence — what the research really shows, and how to combine both without overthinking it. - [How Many Calories Do I Burn a Day? (TDEE & Maintenance Calculator)](https://www.mycallie.app/en/blog/maintenance-calories-tdee-calculator): Find your maintenance calories with a free TDEE calculator, plus reference tables by weight and activity — and why your real burn differs from the formula. - [Why Have I Stopped Losing Weight? Breaking a Weight-Loss Plateau (2026)](https://www.mycallie.app/en/blog/weight-loss-plateau): A diagnostic for weight-loss plateaus — why the scale stalls, how to tell a real plateau from water weight, and the evidence-based fixes that restart progress. - [Calorie Deficit but Not Losing Weight? 11 Real Reasons (2026)](https://www.mycallie.app/en/blog/calorie-deficit-not-losing-weight): A diagnostic flowchart for why your scale isn't moving in a deficit — under-logging math, water retention, watch overestimates, and the fixes that actually work. - [GLP-1 Diet Plan: What to Eat on Ozempic, Wegovy & Mounjaro (2026)](https://www.mycallie.app/en/blog/glp-1-diet-plan-ozempic-wegovy-mounjaro): A research summary of what published guidance and clinical experience suggest about eating well on GLP-1 medications — protein floors, food triggers to avoid, and a sample 7-day structure. - [Macro Calculator with Cheat Day Adjuster (2026)](https://www.mycallie.app/en/blog/macro-calculator-with-cheat-day): A free macro calculator that handles the math nobody else does: how to redistribute a cheat day across the rest of the week so your average stays on target. - [Protein Calculator: How Much Protein Do You Actually Need? (2026)](https://www.mycallie.app/en/blog/protein-calculator): Free protein calculator with goal presets — cutting, bulking, GLP-1 medication, hard gainer. Plus a reference table by bodyweight and the per-meal split most people get wrong. - [Best AI Calorie Tracker Apps of 2026 (Honest Ranking)](https://www.mycallie.app/en/blog/best-ai-calorie-tracker-apps-2026): An honest, methodology-first ranking of the best AI calorie tracker apps in 2026 — including ours, scored on logging speed, accuracy, languages, and price. - [Healthy Weight Gain: A Guide for Hard Gainers (2026)](https://www.mycallie.app/en/blog/healthy-weight-gain-guide): How to gain weight healthily — calorie surplus math, protein targets, nutrient-dense foods, and the training that turns gains into muscle not fat. - [How Many Calories Should I Eat to Lose Weight? (2026)](https://www.mycallie.app/en/blog/how-many-calories-to-lose-weight): A direct answer plus a reference table of daily calorie targets by sex, weight, and activity — based on TDEE math, not myths. - [How to Track Calories From a Photo (Step by Step)](https://www.mycallie.app/en/blog/how-to-track-calories-from-a-photo): How AI photo calorie tracking works in practice — optimal photo setup, accuracy test results, and the foods where it falls short. - [Voice Food Logging: Does It Actually Work? (2026 Test)](https://www.mycallie.app/en/blog/voice-food-logging-accuracy): Speed and accuracy test of voice food logging across accents, noisy environments, and multiple languages — vs photo and text logging. ## Comparisons (commercial) - [Callie vs Lose It! (2026): Which Free Calorie Tracker Actually Wins?](https://www.mycallie.app/en/compare/callie-vs-lose-it): Honest head-to-head — free tier vs Premium, photo and voice logging, pricing including Lose It!'s lifetime option, and who each app is really for. - [Callie vs Cal AI: Which Photo Calorie Tracker Is Better? (2026)](https://www.mycallie.app/en/compare/callie-vs-cal-ai): Honest head-to-head — a 20-meal benchmark, feature comparison, pricing, and verdict on Callie vs Cal AI, now a MyFitnessPal-owned app. - [Callie vs MyFitnessPal: An Honest 2026 Comparison](https://www.mycallie.app/en/compare/callie-vs-myfitnesspal): MyFitnessPal alternative comparison — speed, AI features, multi-language support, database, and the best calorie tracker for switchers. ## Legal & Support - [Contact](https://www.mycallie.app/en/contact): Support email, response time, address. - [Privacy Policy](https://www.mycallie.app/en/privacy): Data collection, usage, and protection practices. - [Terms & Conditions](https://www.mycallie.app/en/terms): Service terms. ## Optional - [llms-full.txt](https://www.mycallie.app/llms-full.txt): Full knowledge dump including FAQ, comparison data, and the complete text of every article. - [Sitemap](https://www.mycallie.app/sitemap.xml): Machine-readable URL list (also includes French, Spanish, German, and Arabic versions of every page). - [RSS Feed](https://www.mycallie.app/feed.xml): Latest articles. Per-language feeds live at /fr/feed.xml, /es/feed.xml, /de/feed.xml, /ar/feed.xml. - Raw Markdown: every article above is also served as plain Markdown at https://www.mycallie.app/md//
/.md — for example /md/en/compare/callie-vs-myfitnesspal.md. ## Citation If you reference Callie in an article or comparison, please link to https://www.mycallie.app and credit "Inlab Products." Last updated: 2026-08-25.