# BiteLume > BiteLume is an iPhone AI calorie scanner and food tracker. It estimates calories and macronutrients from a meal photo, lets users review results, and supports nutrition progress tracking. - Brand: BiteLume - Platform: iPhone; iOS 17.0 or later - Price: free download with in-app purchases - Method: photo-derived nutrition values are estimates that users should review - Medical boundary: BiteLume is a general-wellness app, not a medical device ## Core pages - [BiteLume product overview](https://bitelume.com/): Features, screenshots and App Store download - [How to calculate calories in food](https://bitelume.com/guides/): Method guide and calorie calculators - [BiteLume journal](https://bitelume.com/blog/): Calorie, macro and food-tracking articles - [About BiteLume](https://bitelume.com/about/): Product purpose and developer identity - [Editorial policy](https://bitelume.com/editorial-policy/): Research, sourcing and update standards - [Download BiteLume](https://apps.apple.com/app/id6747187048): Official Apple App Store listing ## Guides - [How to Count Calories From a Food Photo on iPhone](https://bitelume.com/guides/count-calories-from-photo/): Turn one iPhone meal photo into a reviewed calorie and macro estimate with a four-step workflow and practical fixes for difficult scans. - [How to Track Macros From a Food Photo](https://bitelume.com/guides/track-macros-from-photo/): Use a meal photo to start a protein, carbohydrate and fat log, then review the details that make macro estimates more useful. - [How to Calculate Calories in Homemade Food](https://bitelume.com/guides/calories-in-homemade-food/): A dependable recipe method for homemade meals, plus a faster photo workflow when you need a practical estimate rather than exact ingredient math. - [How to Estimate Calories in Restaurant Food](https://bitelume.com/guides/calories-in-restaurant-food/): Start with published menu nutrition when it exists; otherwise break the plate into components and turn a BiteLume scan into an honest estimate. - [How to Count Calories Without Weighing Every Ingredient](https://bitelume.com/guides/count-calories-without-weighing-food/): A lower-friction calorie-counting method using food photos and familiar portions, with selective weighing only when it teaches you something useful. - [How Accurate Are AI Calorie Counter Apps?](https://bitelume.com/guides/ai-calorie-counter-accuracy/): There is no universal accuracy number: food recognition, portion size, recipes and nutrient matching all affect a photo-calorie estimate. - [What Is a Photo Food Diary? How Visual Logging Works](https://bitelume.com/guides/photo-food-diary/): Learn how a visual food log creates a practical meal history, what its pictures can and cannot show, and how to review it without judging one meal. - [How to Track a Calorie Deficit Day by Day](https://bitelume.com/guides/track-a-calorie-deficit/): A daily tracking method that separates your planned calorie gap from the real trend and accounts for uncertain food and activity estimates. - [How to Set a Daily Calorie Goal](https://bitelume.com/guides/set-daily-calorie-goal/): Turn an estimated energy need into a practical daily goal, monitor it without rigid perfection and adjust from evidence rather than guesswork. ## Articles - [Calories vs Macros: What’s the Difference?](https://bitelume.com/blog/calories-vs-macros/): Calories show total food energy. Macros show the protein, carbohydrate and fat behind that energy. Compare both and choose the smallest useful tracking set. - [Photo vs Barcode vs Manual Food Logging: Which Method Fits the Meal?](https://bitelume.com/blog/food-logging-methods-compared/): No logging method wins every meal. Use a barcode for the exact packaged product, manual search for known portions, and a photo for visual speed and context. - [8 Calorie Counting Mistakes That Make a Food Log Less Useful](https://bitelume.com/blog/calorie-tracking-mistakes/): A useful food log does not need laboratory precision. It needs consistent portions, honest extras and enough context to explain the pattern. - [Hidden Calories in Sauces and Oils: How to Spot What a Photo Cannot See](https://bitelume.com/blog/hidden-calories-oils-sauces/): The ingredient most likely to change a meal estimate may be the one spread thinly across it. Use recipe clues, texture and a quick extras check. - [How to Take a Better Meal Photo for an AI Calorie Scanner](https://bitelume.com/blog/take-better-food-photos-ai-scanner/): Give a calorie scanner clearer evidence with a complete meal, even light, visible portion boundaries and the context a camera cannot capture. - [How to Estimate Calories in Curries, Soups and Casseroles](https://bitelume.com/blog/track-mixed-dishes/): Estimate an unknown mixed dish by mapping its base, protein, vegetables, sauce, cooking fat and toppings instead of inventing an exact recipe. - [How to Track Takeout Calories When There Is No Nutrition Info](https://bitelume.com/blog/track-takeout-without-nutrition-info/): Rebuild the order from visible components, menu language and a comparable reference—then spend your effort on portions, sauces and sides. - [How to Calculate Calories for Meal Prep Batches](https://bitelume.com/blog/meal-prep-calorie-tracking/): Calculate the full batch, connect it to cooked yield and divide it among the containers you will actually eat during the week. - [How to Track Protein Intake for Muscle Gain Without Letting One Number Take Over](https://bitelume.com/blog/protein-tracking-muscle-gain/): Protein matters alongside resistance training, but more is not endlessly better. Track a suitable range, find the meals with gaps and improve the pattern. - [Macros for Weight Loss: How to Build a Split You Can Actually Follow](https://bitelume.com/blog/macros-for-weight-loss/): A macro split can organize an energy deficit, but it is not a metabolic password. Choose a pattern that supports nutrition, preferences and consistency. - [Weekly vs. Daily Calorie Tracking](https://bitelume.com/blog/weekly-vs-daily-calorie-average/): Daily totals catch details. Weekly averages reveal the shape of real life. Here is how to use both without turning one unusual meal into a punishment. - [Why Portion Size Changes a Photo Calorie Estimate](https://bitelume.com/blog/portion-size-calorie-estimates/): A plate can look familiar while hiding a very different amount of food. Learn what makes photo portions difficult and how to give an AI scanner better clues. - [Does Cooking Change Calories?](https://bitelume.com/blog/does-cooking-change-calories/): Cooking can change a food's weight, water and added ingredients without creating energy from nowhere. The raw-versus-cooked logging trap is mostly a denominator problem. - [How to Review a Photo Food Log for Eating Patterns](https://bitelume.com/blog/photo-food-log-eating-patterns/): Use a short weekly review to turn meal pictures into neutral observations about timing, repetition, context and gaps in the visual record. - [How to Stay Consistent With Calorie Tracking](https://bitelume.com/blog/stay-consistent-counting-calories/): Consistency is not an unbroken streak. It is a routine that survives meetings, travel, restaurant meals and the occasional forgotten log. - [A Simple Calorie-Tracking Routine for Busy Days](https://bitelume.com/blog/easy-calorie-tracking-busy-people/): A realistic routine captures meals at natural checkpoints, spends effort where uncertainty is highest and saves the deeper review for a calmer moment. - [Why Track Water, Weight and Food in One Place?](https://bitelume.com/blog/water-weight-food-tracking/): Water, weight and food logs describe different parts of a day. Seeing them together can prompt better questions—as long as correlation is not mistaken for cause. - [Calories Eaten vs. Calories Burned](https://bitelume.com/blog/calories-eaten-vs-burned/): Energy intake and expenditure matter over time, but neither side of an app dashboard is a laboratory measurement. Learn how to use both without false precision. - [How to Compare AI Calorie Counter Apps on iPhone](https://bitelume.com/blog/best-ai-calorie-counter-app-iphone/): Use a transparent nine-part scorecard to compare calorie scanners on your own meals instead of trusting a universal winner claim. - [How to Check Whether a Photo Calorie App Is Really Free](https://bitelume.com/blog/free-photo-calorie-counter-app/): Use the current App Store listing, in-app paywall and Apple purchase sheet to distinguish a free download from a free tier or trial. - [How to Read a Nutrition Facts Label for Calorie Tracking](https://bitelume.com/blog/how-to-read-nutrition-facts-label/): A food label becomes much easier to use when you start with the serving, match it to your portion and only then read calories and nutrients. - [Added Sugar vs Total Sugar: How to Read the Label](https://bitelume.com/blog/added-sugar-vs-total-sugar/): Total sugar is the complete sugar amount in one serving. Added sugar is the part introduced during processing or preparation—not another number to add. - [Does Fiber Count as Carbs? Total Carbs vs Net Carbs](https://bitelume.com/blog/does-fiber-count-as-carbs/): On U.S. labels, dietary fiber sits within total carbohydrate. Net carbs is a separate marketing calculation, not a standardized FDA label value. - [Calorie Density Explained: Calories per Gram, Made Practical](https://bitelume.com/blog/calorie-density-explained/): Calorie density describes how much energy is packed into a given weight of food. The idea explains why equal-size portions can have very different calories. - [How to Build a Balanced Meal Without Perfect Macro Math](https://bitelume.com/blog/how-to-build-a-balanced-meal/): A balanced meal is a flexible combination, not one perfect plate. Give each ingredient a useful job, then adjust portions for your appetite and context. - [Does Coffee Have Calories? What Milk, Sugar, Syrup and Creamer Add](https://bitelume.com/blog/does-coffee-have-calories/): Separate the coffee from milk, sugar, syrup, creamer and toppings so the drink you log matches the one you actually had. - [Do Liquid Calories Count? How to Track Smoothies, Juice, Shakes and Alcohol](https://bitelume.com/blog/do-liquid-calories-count/): Drinks can contain energy from carbohydrate, protein, fat and alcohol. Use labels, recipes and menu facts before relying on appearance. - [Calorie Counting on Vacation: A Flexible Photo-First Routine](https://bitelume.com/blog/calorie-counting-on-vacation/): Decide how much tracking will help before the trip, preserve meals with quick photos and let unknown recipes remain honest estimates. - [12 High-Protein Breakfast Ideas You Can Adapt and Track](https://bitelume.com/blog/high-protein-breakfast-ideas/): Choose a clear protein food, add the rest of the meal for your preferences and verify portions instead of copying a generic macro total. - [Healthy Snacks for Adults on the Go: 12 Flexible Ideas](https://bitelume.com/blog/healthy-snacks-for-adults-on-the-go/): Choose a snack for the job—portable, satisfying, affordable or easy to store—then log the product and portion you actually eat.