A feature guide
Choosing a keto app? What to check.
Most keto apps count carbs. Fewer track blood ketones, log from a conversation or read a meal photo. These are fourteen features worth checking in any keto app, each with KetoNoir's own answer.
We name no other apps here. Check each one against its own store listing and pricing page, on the same day.
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Which keto app tracks blood ketones, glucose and GKI?
What to look for
Net carbs tell you what you ate. Blood ketones and glucose tell you how your body responded, and the glucose ketone index (GKI) puts the two readings into one number. A keto app should hold all three and work the GKI out for you.
KetoNoir's answer
KetoNoir logs blood ketones, blood glucose and urine ketone strips on every plan, and calculates GKI, the glucose ketone index, automatically whenever a glucose and a ketone reading are both present. Blood ketones are entered by hand or told to the coach, because neither Apple Health nor Health Connect has a blood ketone type. Trends chart ketones, glucose and GKI over 7, 30, 90 or 365 days.
Keto questions answered → -
Is there a keto tracker with an AI assistant that logs for you?
What to look for
Many apps have a chat box that answers questions and changes nothing. The useful kind reads your log before it answers, and can save a meal or a reading when you ask, after you confirm.
KetoNoir's answer
KetoNoir's AI coach logs food and meals, weight, blood glucose, blood ketones, blood pressure and a full cholesterol panel from a chat message, after you confirm each one. It reads today's log, your totals for the previous 7 days and how they compare with the 7 days before, on every turn, so its answers come from your own numbers. The coach is on the Free plan with a small daily message allowance.
How the AI keto coach works → -
Which keto app can scan a meal photo for net carbs and macros?
What to look for
Typing every ingredient is why people stop logging. A photo scan should estimate the whole plate and show you its numbers, so a meal takes seconds to log.
KetoNoir's answer
KetoNoir's Snap a Meal estimates the net carbs and macros of a whole plate from one photo. It is part of Premium, with recipe photo scans and fridge ingredient scanning. Barcode scanning, by camera or from a photo, is on the Free plan too, at 2 scans a day.
The keto tracker app on one page → -
Which keto app tracks electrolytes?
What to look for
People on keto often watch sodium, potassium and magnesium as closely as carbs. A keto app should total them from the food you log and show each one against a daily target.
KetoNoir's answer
KetoNoir totals sodium, potassium, magnesium and calcium from the food you log and shows each one against a daily target, on the same screen as your macros and micronutrients. When a food source does not report a nutrient, KetoNoir leaves it unknown and does not count it as zero.
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Which keto apps show long-term trends, not only daily totals?
What to look for
Keto is judged over weeks. Look for charts that reach back months on the plan you will really use, and for something that compares this week with last week for you.
KetoNoir's answer
KetoNoir charts weight, ketones, glucose, GKI, blood pressure and cholesterol over 7, 30, 90 and 365 days on every plan, Free included. The coach compares your last 7 days with the 7 days before on every turn. Premium adds the Metabolic Forecast, a 72-hour projection built from your own logged history.
How the Metabolic Forecast works → -
Which keto tracker works with Apple Health and a glucose or ketone meter?
What to look for
If your meter or scale already writes to Apple Health or Health Connect, the app should read it. Ask which readings come across, and what still has to be typed in.
KetoNoir's answer
KetoNoir reads weight, blood glucose, blood pressure, sleep, steps, resting heart rate, heart rate variability, VO2 max and workouts from Apple Health and Health Connect, as a Premium connection. Any reading can also be typed in or told to the coach on every plan. Blood ketones are always entered by hand or through the coach, because neither health platform has a blood ketone type.
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Which keto app builds meal plans around your macro targets?
What to look for
A fixed 7-day menu ignores your targets and what you dislike. Look for plans built to your own macros, with meals you can log straight from the plan.
KetoNoir's answer
KetoNoir's coach builds a keto meal plan around your macro targets when you ask, on the Free plan too. Saving a plan to My Meal Plans, then logging each meal from it, is part of Premium. Recipes come from 289 KetoNoir cultural recipes, 182 of them keto, plus 3,800+ recipes from fatsecret.
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Which keto app counts net carbs, glycemic index and micronutrients?
What to look for
Net carbs are total carbs minus fiber, and they are the number keto runs on. Check that the app stores net carbs as their own figure, and whether it shows glycemic index and micronutrients beside them.
KetoNoir's answer
KetoNoir stores net carbs, total carbs and fiber as three separate numbers for everything you log, and shows each one against your daily target. Foods carry a glycemic index score, and electrolytes and micronutrients sit on the same screen as your macros.
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Which keto app has a reliable food database and barcode scanner?
What to look for
A big database is only useful if its entries are right. Ask where the nutrition data comes from, and what the app does when two sources disagree.
KetoNoir's answer
KetoNoir searches 2.3 million+ foods and products from fatsecret, with USDA FoodData Central and Open Food Facts as cross-checks. A barcode scan checks all three together and flags any result whose calories do not add up from its macros. The restaurant list covers 176 US chains.
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Which keto app has family sharing?
What to look for
Households often start keto together. Check whether one subscription covers more than one person, and whether each person keeps a private log.
KetoNoir's answer
KetoNoir Premium Family Annual covers up to 6 people in your family through Apple Family Sharing, and each person keeps their own account. It costs $89.99 per year and is sold in the iPhone app only. On Google Play and the web, a subscription covers one account.
Plans and pricing → -
Which keto apps work fully in Spanish?
What to look for
Translated menus are not the same as a Spanish app. Check the recipes, the cooking instructions and the coach, not only the buttons.
KetoNoir's answer
KetoNoir is fully bilingual in English and Spanish: every screen, every coach reply and all 289 KetoNoir recipes, with their names and cooking instructions. The recipes cover Mexican and Latin American, Italian, French, American, and Greek and Mediterranean cooking. The 3,800+ fatsecret recipes are in English, with an on-device button that translates them.
KetoNoir en español → -
Is there a free keto app with no time limit?
What to look for
Free can mean a trial, a locked history or a real plan. Ask what stays free for good, and what the paid plan costs where you would buy it.
KetoNoir's answer
KetoNoir's Free plan costs $0 and has no time limit: unlimited manual food logging with your full history, both recipe collections, every trends chart up to 365 days, and biomarker logging including blood ketones and glucose. The AI coach is included with a small daily message allowance, and barcode scanning is 2 scans a day. Premium is $9.99 a month or $59.99 a year in the app, 10 percent less on the web, with a 14-day free trial for new subscribers.
Free and Premium, side by side → -
Which keto apps give responsible guidance?
What to look for
An app that will set any target you ask for is not being careful with you. Look for stated limits: what it refuses, and whether it says plainly that it is not medical advice.
KetoNoir's answer
KetoNoir's coach refuses requests for unsafe restriction, including targets under 1,200 calories and crash-loss timelines, and gives the National Alliance for Eating Disorders helpline, 1-866-662-1235, plus 988 after hours, in the same reply. It tells you it is AI, and it is not a doctor or a dietitian. KetoNoir is a tracking and education tool for adults 18 and over, and it does not diagnose or treat any condition.
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Is there a keto app made for iPad?
What to look for
A phone app stretched across a tablet wastes the screen. Check whether the app is built for iPad, and whether it works in Split View beside a recipe or a video.
KetoNoir's answer
KetoNoir runs natively on iPad, on iPadOS 16.4 or later, in any orientation and in Split View, Slide Over and Stage Manager. On a full screen, cook mode shows every step, the current step with its timer, and the ingredient checklist side by side. It is also on iPhone and Android.
How to use this guide
Check every app you are considering, KetoNoir included, against the same fourteen questions. Read each one's current store listing and its own pricing page on the same day, because features and prices change.
KetoNoir's answers on this page were checked against the app's reference on November 9, 2026. Moving from another tracker? What to compare when you switch →
Try KetoNoir free
Free on the App Store and Google Play, with no time limit on the free plan. Premium starts with a 14-day free trial.
Track. Burn. Dominate.
KetoNoir is a tracking and education tool for adults 18 and over. It is not a medical device and does not give medical advice. Talk to your doctor before you change how you eat, especially if you take medication.