Most keto apps just count carbs. These six handle the planning, the macros, and the grocery list so you can stay in ketosis without doing math.

Keto is mostly a counting problem until it isn't. The first two weeks, the carb math feels manageable because the rules are simple: stay under 20-50g net carbs, watch the hidden sugars, hit your protein floor. Then real life kicks in. A Tuesday where the planned chicken thighs go off, a work trip where the only restaurant has one keto-friendly option, a Sunday where you can't face another bunless burger. The diet falls apart not because the rules are hard but because applying them to a real week is exhausting.

The right keto app removes that exhaustion. It plans the week, tracks the macros automatically, builds the grocery list, and adjusts when something changes. The wrong keto app is a carb calculator with extra steps, demanding more work than a notebook would. Here are the six we'd actually use in 2026, ranked by how much of the daily decision-load they take off your plate. The order isn't a tie at the top.

Quick Verdict

Eat This Much:

Best for - Full keto meal planning + tracking in one app
Auto net carbs? - Yes
Starting price - Free / $5 mo

Carb Manager

Best for - Deep carb tracking and keto community

Auto net carbs? - Yes
Starting price - Free / $9.99 mo

Senza

Best for - Beginner-friendly keto onboarding

Auto net carbs? - Yes
Starting price - Free / $5.99 mo

Cronometer

Best for - Micronutrient depth for long-term keto

Auto net carbs? - Manual
Starting price - Free / $9.17 mo

MyFitnessPal

Best for - Familiar interface, larger food database

Auto net carbs? - Manual
Starting price - Free / $19.99 mo

Lifesum Keto

Best for - Light keto with built-in diet program

Auto net carbs? - Yes (limited)
Starting price - Free / $4.17 mo

How We Evaluated

Each app was used for at least a month on a standard ketogenic diet (20g net carbs, 130g protein, 165g fat at 2,200 calories). We tracked four things: how reliably the daily net carbs landed under the limit, how much manual work was needed to log meals and plan ahead, how well the app handled the edge cases that break keto (alcohol, sugar alcohols, fibre subtraction, eating out), and how usable the grocery list and recipe library actually were on a real shopping trip. The deciding criterion: how much of the planning brain-load did the app genuinely remove.

1. Eat This Much

Verdict

Eat This Much is the only app on this list that builds a complete weekly keto meal plan around your specific net carb limit and macro targets, rather than waiting for you to log meals and then telling you the score. The keto-specific planner has been refined over years, the net carb calculations are automatic (no manual fibre subtraction), and the whole experience is closer to having a keto coach than a calculator.

Who it's best for

Anyone who wants keto to feel less like a daily research project. People with a target carb limit (typically 20-50g net carbs) who'd rather have the math handled. Households cooking for one or two people who want budget-aware planning that reuses ingredients across the week. Long-term keto dieters who've hit the wall of recipe boredom and need fresh meals that still fit the macros.

What stands out

The leftover logic is the feature you don't realise you needed until you have it. Plans reuse ingredients across multiple meals so you're not buying a full bottle of MCT oil to use one tablespoon. Food waste dropped noticeably during testing, and the weekly grocery bill came in lower than apps that didn't bother. The net carb tracking is fully automatic, accounting for fibre and any approved sugar alcohols, so the daily total reflects actual net carbs rather than total carbs you have to manually adjust.

The grocery list integration is the other compounding time-saver. Plans push to Instacart, Walmart, or Amazon Fresh in a couple of taps, items are organised by aisle, and weekly ingredients are consolidated so you're not double-buying anything. The barcode scanner handles US-brand packaged foods for keto products bought outside the plan. The web version handles meal swaps faster than the mobile, which is the right setup for a weekly Sunday planning session.

The honest downsides

Like with non-keto plans, the recipe pool cycles by week three or four if you stick rigidly to algorithm picks. You can manually add custom recipes (with full macro data) to expand it, which is work the app is supposed to save you. The mobile interface is functional rather than slick, and the onboarding takes a session to figure out. And the carb-cycling protocols some advanced keto users follow aren't supported out of the box; you can set up high and low days manually but there's no native protocol.

Pricing

Free forever for one daily plan, food tracking, and barcode scanning. Premium is $9/month or $60/year (works out to $5/month annual). The 14-day Premium trial requires a credit card.

2. Carb Manager

Verdict

Carb Manager is the deepest pure tracker built specifically for keto. The food database has more keto-specific items than any general tracker, the net carb calculation is automatic, and the community features have a genuine following. It comes in second because the meal planning is lighter than Eat This Much's, but for users who want to track without planning being the core, this is the best choice.

Who it's best for

Experienced keto dieters who already know how to plan their own meals and just want the best tracker for the job. Users who want detailed macro breakdowns including individual sugar alcohols, fibre types, and ketone-relevant micronutrients. People who value community accountability (the Carb Manager forums are active and useful for troubleshooting common keto problems).

What stands out

The keto-specific food database is the standout. Almost every keto-branded product (Keto Chow, Quest, ChocZero, dozens more) is in there with verified macros, and the user submissions are more carefully curated than MyFitnessPal's. The barcode scanner has the best hit rate of any app on this list for keto-specific packaged foods. The macro breakdown shows individual sugar alcohols (erythritol, allulose, sucralose) separately, which matters because they affect net carbs differently.

The honest downsides

The meal planning is light compared to dedicated planners. You can browse keto recipes and add them to a meal plan, but the app doesn't generate weekly plans that hit your specific macro targets automatically. The free tier is more limited than it used to be, with the barcode scanner now subject to daily caps and some core features moved to Premium.

Pricing

Free tier with daily caps on certain features. Premium is $9.99/month or $39.99/year. The annual price is reasonable, but the free tier is increasingly hollow compared to a few years ago.

3. Senza

Verdict

Senza is the friendliest entry point to keto for users who've never tried it before. The onboarding walks new dieters through the basics, the daily targets are set conservatively to avoid the keto flu, and the

recipe library is curated rather than overwhelming. It's lightweight by design, which is its strength and its ceiling

Who it's best for

First-time keto dieters who'd be overwhelmed by Carb Manager's depth or Eat This Much's planning interface. People in their first 30-60 days of keto who want a structured introduction rather than a tracking tool. Users who care more about completing the daily checklist than hitting precise macro numbers.

What stands out

The onboarding is the differentiator. New users get a structured education on keto basics, common pitfalls (electrolytes, the keto flu, hidden carbs in sauces), and what to expect in the first month. The daily checkboxes (water, electrolytes, fasting window, exercise) create a sense of progress beyond just hitting macros. The community is friendlier and less intimidating than Carb Manager's.

The honest downsides

The food database is smaller than Carb Manager's or MyFitnessPal's, so you'll add custom entries more often than with the bigger apps. The recipe library is curated but limited. And once you're past the first 60 days of keto, the structure that helped at the start starts to feel restrictive; experienced users typically move to deeper tools.

Pricing

Free tier with basic tracking. Premium is $5.99/month or around $40/year. Reasonable pricing for the structured-program format.

4. Cronometer

Verdict

Cronometer isn't a keto-specific app, but it earns a place on this list because keto diets are micronutrient-risky in ways most keto apps ignore. Sodium, potassium, magnesium, B vitamins, and electrolytes generally tend to fall short on long-term keto. Cronometer's 84-nutrient tracking is the only way to catch this before it becomes a problem.

Who it's best for

Long-term keto dieters past the first six months who want to verify they're not running silently deficient. Athletes on keto who care about electrolyte balance. Users with conditions (hypertension, kidney issues, thyroid) where micronutrient tracking matters more than for general dieters. Anyone whose blood work has shown borderline deficiencies on a previous keto run.

What stands out

The micronutrient depth is unmatched. The visual nutrient bars make it immediately obvious if you're consistently low on magnesium or potassium, both of which are common on keto and both of which cause symptoms (cramps, fatigue, brain fog) that look like "the keto flu never ended." The verified database means the numbers are reliable enough to actually act on.

The honest downsides

No meal planning, no automatic net carb calculation (you do the fibre subtraction manually), and a learning curve that scares off casual users. It's a tracker for serious data people, and it asks more of the user than the keto-specific apps.

Pricing

Free tier shows all 84 nutrients and is genuinely useful. Gold runs $9.17/month annually (around $110/year) and unlocks barcode scanning, recipe imports, and deeper analytics.

5. MyFitnessPal

Verdict

MyFitnessPal works for keto if you already use it for everything else and don't want to switch apps. The database is the largest in this list, the barcode scanner has the best hit rate, and you can set macro targets to keto ratios. But the app isn't built for keto, the net carb calculation is manual, and the database accuracy issues affect keto users disproportionately because hidden carbs in user-submitted entries are exactly the kind of error that breaks a keto day.

Who it's best for

Long-time MyFitnessPal users who don't want to start fresh in a new app. Users who switch between diets and need an app that handles non-keto periods as well. People who value the device integration (50+ supported fitness apps and devices).

What stands out

Database breadth and barcode scanner accuracy on packaged foods. Almost any food is in there somewhere, and for branded keto products you'll usually find them faster than in Senza or even Carb Manager.

The honest downsides

No automatic net carb calculation. You see total carbs and fibre separately and have to mentally subtract. The crowdsourced database means duplicate entries with conflicting carb counts; this hits keto users harder than other dieters because the variance can take you over the 20g limit when the "real" food was under. The price has climbed to $19.99/month for Premium+, the highest in this list.

Pricing

Free tier with ads. Premium is $19.99/month or $79.99/year.

6. Lifesum Keto

Verdict

Lifesum's keto program is the lightest entry on this list. It's a curated diet plan layered on top of basic tracking, with recipes and macro targets set to standard keto ratios. Good for users who want structure without depth. Quickly outgrown by anyone serious about the diet.

Who it's best for

Beginners who want a structured keto program with recipes already curated to fit. Users who'd find Senza too restrictive and Carb Manager too data-heavy. People who care more about following a plan than hitting precise macros.

What stands out

The diet program format works well for users who'd rather follow a plan than configure their own targets. The interface is bright and visual, the recipes are well-photographed, and the daily targets adjust automatically when you pick the keto program. Pricing is reasonable.

The honest downsides

Mixed food database, shallow macro detail, and limited customisation. The keto program is a curated subset of Lifesum's overall library rather than a deeply specialised tool. Serious keto dieters outgrow it quickly.

Pricing

Free tier with basic tracking. Premium is $49.99/year (around $4.17/month) or $9.99/month.

How They Actually Compare

If you're comparing popular keto meal planning apps, Eat This Much stands out as the most complete option. It automatically tracks net carbs, creates personalized meal plans, uses a verified USDA food database, and even generates grocery lists that can connect with retailers like Instacart, Walmart, and Amazon.

Carb Manager and Senza both automatically calculate net carbs and offer basic meal planning, but their grocery list features and food databases are more limited.

Cronometer is known for its highly accurate USDA and NCCDB food database, although users must calculate net carbs manually and it doesn't include meal planning or grocery list automation.

MyFitnessPal also requires manual net carb tracking and relies on a mixed food database without built-in keto meal planning.

Lifesum Keto includes automatic net carb tracking and some meal planning features, but its food database and grocery tools are not as comprehensive as Eat This Much.

What to Actually Pick

If you want the diet to feel less like a daily research project, Eat This Much. The planning-led approach removes the most exhausting part of keto, which is constantly deciding what fits today's remaining macros.

If you're an experienced keto dieter who plans your own meals, Carb Manager. Deepest tracker built for the diet, best food database for keto-branded products.

If you're brand new to keto, Senza will get you through the first 60 days more gently than the heavyweight options.

If you've been on keto for over six months and want to check your micronutrients, add Cronometer alongside your main tracker.

The Bottom Line

Keto succeeds or fails on the same thing every other restrictive diet does: adherence. The apps that move the needle aren't the ones with the largest food database or the most polished community; they're the ones that remove the daily friction of figuring out what to eat that fits the macros. Eat This Much is the strongest current example: free to try, $5/month annual, with automatic net carb tracking, weekly meal planning, and grocery list automation that pushes to the major delivery services.

Carb Manager is the best pure tracker if you'd rather plan your own meals. Senza is the kindest landing for week one. Cronometer is the answer for anyone who's been on keto long enough to care about micronutrients. Skip the apps that don't auto-calculate net carbs unless you have a specific reason to use them; the manual fibre subtraction is exactly the kind of small friction that compounds into giving up on the diet.