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Price snapshot
Published price
Free Basic tier; Premium is shown at $3.33/month billed annually on the official website, with monthly, quarterly, and yearly offers and app-store pricing that may vary
Source: Carb Manager official Premium pageWhat to verify
- The exact U.S. Premium price, introductory offer, billing period, renewal total, and refund terms shown at checkout on iOS, Android, and web.
- Which features remain free versus Premium, especially photo logging, voice logging, fasting, reports, exports, and integrations.
- The latest Apple App Privacy and Google Play Data Safety disclosures and whether they still match the April 6, 2026 privacy notice.
- The current list of supported fitness and health integrations and what data each connection reads or writes.
Review overview
Carb Manager fits adults who want detailed low-carb tracking and do not mind daily logging; its strongest free tools are useful, but Premium pricing varies and the app cannot judge whether a low-carb plan is medically appropriate for you.
Last checked Jul 5, 2026
Price snapshot: Free Basic tier; Premium is shown at $3.33/month billed annually on the official website, with monthly, quarterly, and yearly offers and app-store pricing that may vary
What Carb Manager does
Carb Manager is a food and wellness tracker designed around keto and other low-carb eating patterns. You can use the free Basic tier to log foods, net carbs, protein, fat, calories, water, exercise, and weight. Its official support site says barcode scanning is free on the iOS and Android apps, and registered users can also work in the browser-based web app. Apple lists iPhone, iPad, Mac on Apple silicon, Apple Vision, and Apple Watch compatibility, subject to its stated operating-system requirements. The main appeal is focus: instead of adapting a general calorie diary to low-carb eating, you get net-carb totals and macro goals at the center of the experience. That makes day-to-day patterns easier to see, but the app only knows what you enter or sync. It cannot see unlogged snacks, cooking oil, restaurant portions, or whether a chosen carb target produces a balanced diet. Logging blood pressure, glucose, ketones, or insulin is recordkeeping, not measurement or diagnosis; Carb Manager does not include a medical device.
- Free core: food, macro, water, exercise, and weight logs.
- Mobile convenience: free barcode scanning.
- Access: iOS, Android, and a synced web app.
Accuracy, weight loss, and medical limits
Carb Manager can help you notice eating patterns, but its totals are estimates rather than a laboratory record. The company says common-food entries come from sources such as USDA and the University of Minnesota Nutrition Coordinating Center. It also says member foods are not verified before publication, branded foods may contain errors, and web recipes are not verified. Check the source tag, compare packaged foods with the current label, and correct the serving amount. Carb Manager’s terms add that AI nutrient estimates from photos or descriptions are approximate and not medically validated. This matters because precise-looking numbers can still be wrong. Tracking may support behavior change, but it does not prove that the app or a low-carb target causes weight loss. CDC guidance describes healthy weight loss as a broader pattern involving nutritious eating, physical activity, sufficient sleep, and stress management. Carb Manager’s own terms say the service is educational and is not intended to diagnose, cure, or treat a condition. If you are pregnant, have diabetes or another medical condition, use medication affected by food intake, or plan a major carbohydrate change, set goals with a licensed clinician or registered dietitian rather than relying on the app.
- Prefer verified food sources and current package labels.
- Review protein, fiber, food variety, and overall eating quality—not carbs alone.
- Do not use logged vitals or AI estimates to make diagnostic or medication decisions.
The check we would not skip
Carb Manager does not make a low-carb diet healthy, sustainable, or appropriate for you.
Data privacy
This app can hold a detailed picture of your habits. Carb Manager’s privacy notice says you may provide foods eaten, dietary preferences, food photos, goals, height, weight, activity level, sex, date of birth, and other profile information. If you connect Fitbit, Garmin, Apple Health, or Google Health Connect, the service may receive authorized metrics such as exercise minutes, calories expended, steps, and body weight. It also describes automatic collection of IP address, device, operating-system, and browsing information, plus analytics services including Google Analytics, Kochava, Amplitude, RevenueCat, and CleverTap. The policy says Carb Manager does not sell or rent personal data or sensitive health data to third parties for marketing. However, service providers may access personal data while doing contracted work, and the company reserves the right to share or sell aggregated, anonymous, or deidentified information. Apple’s developer-reported label says Health & Fitness data and several other categories may be collected and linked to your identity; Apple states that it has not verified those disclosures. You can request account deletion through the app, web app, or support, but some retention may continue where legally required. Avoid putting identifiable people or documents in meal-photo backgrounds, and remember that information you post publicly in community areas may be visible worldwide.
- Connect only the health services you actually need.
- Treat food photos and public community posts as potentially sensitive.
- Re-check the current policy and app-store labels before connecting accounts.
Who it fits—and who should look elsewhere
Carb Manager is a strong practical fit if your main goal is seeing net carbs and macros clearly, you are comfortable logging most meals, and you want a low-carb-specific interface. The free tier is the sensible starting point. Premium becomes easier to justify if you will regularly use meal planning, detailed nutrient reports, fasting records, exports, photo or voice entry, or fitness integrations. Look elsewhere if you want a simple habit coach with little food entry, prefer an eating pattern that is not organized around carbohydrate limits, or need individualized nutrition therapy. You should also avoid detailed tracking if numbers increase guilt, restriction, compulsive checking, or other eating-disorder symptoms; Carb Manager’s current terms prohibit use by people with anorexia, bulimia, or related eating disorders. The terms also require users to be at least 18 and call for clinician approval and supervision for serious medical conditions. From an FDA perspective, dietary logs, calorie counters, meal planners, and general wellness weight-loss tools are examples of software functions that are not medical devices. That is why no FDA clearance or blood-pressure-monitor validation applies to the app as reviewed: it records information but does not supply measuring hardware or a diagnosis.
- Choose it for low-carb visibility, not promised outcomes.
- Try Basic during normal weekdays and a weekend before subscribing.
- Choose clinical support when safety, symptoms, or medication management is part of the job.
More questions and context
Common questions
Can Carb Manager make you lose weight?
It can help you track patterns and targets, but logging does not guarantee weight loss. Your overall eating pattern, activity, sleep, stress, health, and consistency still matter.
Is the free version useful?
Yes. Basic food and macro tracking, including net carbs and mobile barcode scanning, may be enough if you do not need meal plans, advanced reports, AI entry tools, or device integrations.
Are Carb Manager food totals exact?
No. Some entries are verified, but member foods are unverified, branded entries can be wrong, portions depend on your input, and AI photo estimates are approximate.
Educational content only. Do not use this page as medical advice or as a substitute for a licensed clinician, pharmacist or insurer reviewing your situation.
Related checks
Sources and what to verify (6)
Sources
- Carb Manager official Premium page
Consulted for current Basic-versus-Premium features and displayed web pricing.
- Carb Manager on the U.S. App Store
Consulted for iOS compatibility, listed features, in-app purchases, renewal terms, and Apple privacy disclosures.
- Get the Carb Manager mobile app
Consulted for iOS, Android, and web-app availability.
- Subscribe to Carb Manager Premium
Consulted for monthly, quarterly, and yearly billing options and cross-platform Premium access.
- View, change, or cancel a Premium subscription
Consulted for automatic renewal, cancellation timing, and post-cancellation access.
- Log foods by scanning barcodes and snapping pictures
Consulted for free barcode scanning, Premium photo logging, and image-based predictions.


