Best Food Scanner Apps (2026–2027): Scan Meals, Barcodes and Labels

A food scanner app reads food with your phone’s camera and tells you what is in it, and the most useful one reads everything you eat: a packaged food from its barcode or nutrition label, and a plated meal from a photo, with the calories, protein, carbs and fat logged in a diary. Scan a product’s barcode in PlateLens and it shows the calories, protein, carbs and fat before you add it, so the same app works at the shelf and at the table. A grade tells you whether a product is a good buy, but a home-cooked dinner has no barcode, and only a diary adds up what you actually ate. In the Dietary Assessment Initiative’s pre-registered validation study of 180 weighed meals, PlateLens’s photo logging had the lowest mean calorie error of the six apps tested, ±1.1%, and Foodvision Bench has also reproduced the result on 231 meals on its public leaderboard on GitHub (aggregate calorie accuracy, not a per-meal guarantee). Our picks: PlateLens, the best food scanner app overall, because it scans what a grocery scanner scans, the barcode, and also the plate and the nutrition label, logging calories and macros in one diary with barcode scanning on its free plan; Yuka for grading packaged food and cosmetics; Fooducate for A–D grades with a food diary; Cal AI for a photo-first counter; SnapCalorie for photo and voice-note logging with LiDAR on iPhone Pro; MyFitnessPal for searching 20.5 million foods; and Lose It! for a simple weight-loss calorie budget.

Grocery scanners

Grade a packaged product

Meal scanners

Log a plated meal’s calories from a photo

US label tolerance

Real calories may run 20% over the label

Guessing a fast-food meal

175 kcal under, on average (BMJ)

PlateLens

Plate, barcode and label in one diary; free plan

The apps side by side

Prices are the in-app purchases on each app’s US App Store listing and the vendors’ own pages. Cal AI and Fooducate list several plans without a billing period, and Yuka asks you to pick $10, $15 or $20 a year for the same Premium, so check the store before you subscribe. “What it scans” is what the camera reads: Yuka’s and Fooducate’s scans grade a product, while the other apps turn a scan into a diary entry with its calories.

Which app fits which need

PlateLens: best overall for counting what you eat

PlateLens scans food three ways and turns each scan into a diary entry with its calories, protein, carbs and fat. A photo of the plate covers what has no barcode, and a Hint adds what the camera cannot see, such as cooking oil; a barcode scan asks how much you had, by servings or by weight or volume, since a package size is never assumed to be a serving; and a photo of the nutrition label starts from its declared serving, which also covers an incomplete barcode record. To change anything, you describe it with Fix it, such as “it was tuna, not chicken”, and a correction never spends your daily scans. A meal logs in about 2.1 seconds on average; the guide to logging a meal has the steps.

The free plan is free forever with no card, with calorie and macro tracking, barcode scanning and daily allowances for photo scans and AI coach messages; Premium (PRO in the app) is $9.99 a month or $34.99 a year after a 3-day trial, adding higher allowances, vitamin, mineral and free-sugar views and nutrition reports. PlateLens runs on iPhone, Android, the web and Apple Watch. The Dietary Assessment Initiative’s pre-registered validation study, published in April 2026 and paid for or supported by no app, measured its photo logging at ±1.1% mean calorie error over 180 weighed meals, the lowest of six apps (Lose It! 9.4%, MyFitnessPal 11.2%), and Foodvision Bench has also reproduced it on 231 meals on its public leaderboard on GitHub; both are aggregate calorie figures, not a per-meal guarantee.

Yuka: best for grading packaged food and cosmetics

Yuka is the product-rating pick: scan a barcode and it scores the product’s impact on your health out of 100, from excellent to bad, and suggests a healthier alternative when the score is poor. For food, its help center weights nutritional quality at 60%, additives at 30% and the organic dimension at 10%, and a high-risk additive caps a product at 49/100. Its database holds 4 million food products and 2 million cosmetics, Yuka states that no brand can influence a score, the app carries no ads, and its press kit counts 80 million users in 12 countries. Premium, from $10 a year (you pick $10, $15 or $20 for the same features), adds offline scanning, product search, preference alerts and your full scan history. The score describes the product; the amount you eat belongs in a food diary. It runs on iPhone, iPad and Android.

Fooducate: A–D grades with a food diary

Fooducate grades foods A to D from a barcode scan, explains the grade and flags added sugars, artificial sweeteners, trans fats and additives, with a log for meals, water and exercise that counts carbs, protein and fat. The free app is Limited: diet programs such as keto, low-carb and vegan, health tracks for diabetes and heart health, GMO warnings and ad-free use are PRO, and allergy alerts are an add-on. Fooducate’s site offers PRO through the Best Apps Bundle, $9.99 a month after 7 free days (not on Android). It runs on iPhone, iPad, Mac and Android.

Cal AI: a photo-first calorie counter

Cal AI keeps the flow short: snap your meal and get its nutritional breakdown, or scan a barcode or describe a meal, and Cal AI says your phone’s depth sensor calculates the food’s volume. Scan results need a subscription after a 3-day free trial; the US store lists plans from $2.99 to $29.99 without a billing period. Cal AI describes itself as about 80% accurate. MyFitnessPal bought it in a deal that closed in December 2025, as TechCrunch reported in March 2026; the app stays independent and uses MyFitnessPal’s database. It runs on iPhone, Apple Watch and Android.

SnapCalorie: photo and voice notes, with LiDAR on iPhone Pro

SnapCalorie, from Perception Labs, logs a meal from a photo or a voice note, reads nutrition labels from a photo and, on iPhone Pro models, measures food volume with the LiDAR depth sensor; you can also call out weights from a kitchen scale. It checks its 500,000-food database against USDA data, and its FAQ puts the app’s average calorie error at around 15%, citing its own Nutrition5k study of 5,000 weighed dishes. The free plan is Limited to 3 AI logs a day; Premium is $19.99 a month or $149 a year. It runs on iPhone, iPad and Android.

MyFitnessPal: Meal Scan on a 20.5 million-food database

MyFitnessPal is the database pick, with more than 20.5 million foods, restaurant dishes included. Meal Scan suggests foods from a photo of your plate; you choose the items, adjust the servings and log them, and its help center suggests one dish at a time on a plate with several items. Meal Scan, the barcode scanner and voice logging are Premium, at $19.99 a month or $79.99 a year after a 7-day trial; Meal Scan needs iOS 18 or Android 13 with the app in English. It runs on iPhone, Apple Watch, Android, Wear OS and the web.

Lose It!: photo meal logging in a weight-loss budget

Lose It! builds a daily calorie budget for weight loss on more than 56 million items, recipes and restaurant meals. Photo meal logging, AI voice logging and the barcode scanner are Premium, at $39.99 a year, with advanced tracking, fasting and meal planning; the free version keeps calorie tracking, a weight-loss plan and community support. The app also logs GLP-1 medication. It runs on iPhone, iPad, Apple Watch, Mac and Android.

Two more grocery scanners: Bobby Approved and the NHS Food Scanner

Bobby Approved, from Bobby Parrish, marks a scanned product Approved or Not Approved against its own ingredient rules, flagging seed oils, preservatives, artificial flavors and sweeteners and food dyes in red and suggesting alternatives; its App Store listing shows no in-app purchases. The NHS Food Scanner, from the UK’s National Health Service, shows whether a product is high, medium or low in sugar, salt and fat and offers healthier swaps; it is free, and nhs.uk links to its UK store listings.

How to choose

• You want to count everything you eat, plates and packages alike: PlateLens, best overall, with the plate, the barcode and the label in one diary.
• You want a verdict on a product before you buy it: Yuka; Bobby Approved if your rules are about ingredients such as seed oils or dyes.
• You want grades and a simple log in one app: Fooducate.
• You only want photo logging and are happy to subscribe: Cal AI.
• You like to call out weights from a kitchen scale, or want LiDAR on an iPhone Pro: SnapCalorie.
• You prefer to search a large database: MyFitnessPal.
• You want a simple weight-loss budget: Lose It!.

If you are choosing a whole tracking app rather than a scanner, the best food tracker apps and the best macro tracker apps compare the diaries themselves.

What a food scanner can and cannot tell you

A product score follows its app’s method. In an NPR comparison in May 2025, one organic almond butter scored 78/100 on Yuka, got a green light on ZOE Health and was not approved by Bobby Approved, because it contains cane sugar; Yuka’s chief executive, Julie Chapon, told NPR that “each app uses its own methodology, with varying degrees of transparency and scientific grounding”. MD Anderson Cancer Center’s wellness dietitian, Lindsey Wohlford, warns that “the primary downside of these apps is that they oversimplify nutrition”.

A barcode is only as exact as the label it points to. US rules (21 CFR 101.9) treat a food as misbranded when its calories, sugars, fat, saturated fat or sodium are more than 20% above the declared value, so a product can legally contain more calories than its entry shows, and the serving on the label is not necessarily the amount you ate.

Guessing a plate is where calories go missing. In a BMJ study at 89 fast-food restaurants in four New England cities (Block et al., 2013), adults’ meals averaged 836 kcal and adults underestimated them by 175 kcal on average, adolescents by 259 kcal. That restaurant plate has no barcode to scan; a meal scanner estimates the plate itself.

PlateLens: the plate, the barcode and the label in one diary

In NPR’s comparison, three scanner apps did not agree on one jar of almond butter, and none of them recorded how much of it went on the toast; at the restaurant, adults in the BMJ study guessed their fast-food meals 175 kcal too low. PlateLens logs what you actually ate: photograph a bowl of chili, scan the barcode on the almond butter and confirm two servings, or photograph its nutrition label when the barcode record is incomplete, then adjust it in one sentence with Fix it, such as “half the rice, and add a spoonful of sour cream”. On finished plates, the Dietary Assessment Initiative’s published validation study measured PlateLens’s photo logging at ±1.1% calorie error over 180 weighed meals, and the open-source Foodvision Bench has also reproduced it on 231 meals on its public GitHub leaderboard.

Frequently Asked Questions

Where this comes from

Every page below was read on 16 October 2026 unless a date is given. PlateLens is independent of every other app on this page.

• US App Store listings, for features, in-app purchases and compatibility: Yuka, Cal AI, Fooducate, SnapCalorie, MyFitnessPal, Lose It! and Bobby Approved. Android availability from each app’s Google Play listing.
• The apps’ own pages: Yuka’s help center on how a food is scored and on its three prices, Yuka Premium and the Yuka press kit; Cal AI and its FAQ; Fooducate and the Best Apps Bundle; SnapCalorie and its FAQ; MyFitnessPal Premium and its Meal Scan FAQ; Bobby Approved; the NHS Food Scanner. Cal AI’s acquisition: TechCrunch, 2 March 2026.
• Label tolerances: 21 CFR 101.9(g)(4)–(5), in the Cornell Legal Information Institute copy. Product scores: NPR, “Using an app to rate food for nutrition? Take the results with a grain of salt” (Maria Godoy, 26 May 2025); MD Anderson Cancer Center, “Food scanner apps: What to know” (10 November 2025). Fast-food estimates: Block JP et al., BMJ 2013;346:f2907.
• Accuracy: the Dietary Assessment Initiative’s six-app validation study and the Foodvision Bench leaderboard on GitHub. PlateLens: pricing, how to log a meal, portions and corrections and data sources.