# Weight Loss Navigator > Weight Loss Navigator is a simple calorie-tracking app for iOS and Android. Users calculate their TDEE (Total Daily Energy Expenditure), log food and workouts in seconds, and watch their daily calorie deficit add up. A 3,500-calorie deficit equals roughly one pound of weight loss. Key facts: - Platforms: iOS (App Store) and Android (Google Play) - Core features: TDEE calculation, one-tap food/workout logging, AI calorie estimates, daily and weekly deficit tracking - App Store: https://apps.apple.com/us/app/weight-loss-navigator/id6738050705 - Google Play: https://play.google.com/store/apps/details?id=com.weightlossnavigator.client ## Pages - [Home](https://weightlossnavigator.com/): Overview of the Weight Loss Navigator app. - [How It Works](https://weightlossnavigator.com/how-it-works): How TDEE-based calorie tracking works in the app. - [Free Calorie (TDEE) Calculator](https://weightlossnavigator.com/tdee-calculator): Free calculator showing how many calories your body burns at rest each day. - [Blog & Resources](https://weightlossnavigator.com/resources): Articles on calorie tracking, TDEE, food logging, and weight loss. - [FAQ](https://weightlossnavigator.com/faq): Frequently asked questions about the app, pricing, and privacy. - [About](https://weightlossnavigator.com/about): The story behind Weight Loss Navigator. - [Contact](https://weightlossnavigator.com/contact): Get in touch with the Weight Loss Navigator team. - [Privacy Policy](https://weightlossnavigator.com/privacy-policy): How user data is collected and handled. - [Terms of Service](https://weightlossnavigator.com/terms): Terms of service for the app and website. ## Articles - [Logging Food Made Easy](https://weightlossnavigator.com/resources/logging-food-made-easy): Tired of food database overwhelm? Learn how the app makes food logging fast and flexible, including saving meals and using AI estimates. - [Workouts That Actually Count](https://weightlossnavigator.com/resources/workouts): Every workout subtracts from your calorie total—just tap to add. Built-in AI makes logging easy and accurate. - [Food Logging That Learns With You](https://weightlossnavigator.com/resources/food-logging): Log once, tap forever. Your food history builds itself for fast, simple tracking—no database bloat required. - [Tracking Your Progress Without the Stress](https://weightlossnavigator.com/resources/tracking-progress): No charts overload. Just simple daily and weekly views that show your calorie balance and momentum. - [Getting Started: Register & Set Your TDEE](https://weightlossnavigator.com/resources/getting-started-tdee): New to Weight Loss Navigator? This post walks you through creating your account and completing the five-step setup to calculate your daily calorie goal. - [How to Set Your TDEE](https://weightlossnavigator.com/resources/how-to-set-your-tdee): Your TDEE is the number of calories you burn per day. Here's how Weight Loss Navigator helps you calculate it and why it's the starting point of your journey.