Diet App Comparison Chart 2026: 10 Apps Compared for Diet Plans and Meal Support

Starting a new diet is hard enough without picking the wrong app to support it. Whether you are going keto, trying a Mediterranean approach, following a plant-based lifestyle, or working with a custom macro split, the app you use should make the diet easier, not harder. But most diet apps only truly support one or two dietary approaches, and some that claim to support "all diets" really just let you set a calorie target and leave you to figure out the rest.

This comparison chart evaluates 10 popular nutrition and diet apps specifically on how well they support structured dietary approaches. We looked at which diets each app explicitly supports, whether they provide meal plans and recipes, how much you can customize, and what the coaching and guidance experience looks like.

How We Evaluated These Apps

We tested each app by configuring it for at least three different dietary approaches: keto (high fat, very low carb), vegan (no animal products), and a standard calorie-deficit weight loss diet. Our evaluation criteria:

Supported diets lists the specific dietary approaches the app explicitly offers settings, meal plans, or guidance for. Simply being able to set custom macros does not count as "supporting" a diet. The app needs dedicated diet-specific features or content.

Meal plans evaluates whether the app generates or provides structured daily or weekly meal plans, and whether those plans adapt to your dietary preferences and calorie targets.

Recipe suggestions checks if the app recommends recipes based on your selected diet, and whether those recipes include complete nutrition data and serving adjustments.

Grocery lists tests whether the app can generate shopping lists from meal plans or saved recipes.

Customization assesses how much control you have over macro targets, excluded foods, allergens, and personal food preferences within the diet framework.

Coaching looks at human coaching, AI coaching, or structured educational content that guides you through the diet.

Price reflects the monthly cost on the most common plan as of March 2026.

The Big Comparison Chart

Feature	Nutrola	MyFitnessPal	Cronometer	Lose It	Yazio	Lifesum	FatSecret	Noom	MacroFactor	Samsung Health
Keto Support	Yes (macro tracking)	Yes (macro goals)	Yes (net carbs)	Basic	Yes (meal plans)	Yes (meal plans)	Basic	No	Yes (macro targets)	No
Paleo Support	Yes (food tracking)	Basic	Basic	No	Yes (meal plans)	Yes (meal plans)	No	No	Basic	No
Vegan Support	Yes (nutrient alerts)	Basic	Yes (nutrient tracking)	Basic	Yes (meal plans)	Yes (meal plans)	Basic	Partial	Basic	No
Mediterranean	Yes (food tracking)	Basic	Basic	No	Yes (meal plans)	Yes	No	Partial	No	No
Intermittent Fasting	Pair with fasting app	Basic timer	Basic	Yes (built-in)	Yes (built-in)	Yes (built-in)	No	No	No	No
Custom Diets	Yes (full macro/nutrient)	Yes (macro goals)	Yes (custom targets)	Limited	Limited	Limited	Limited	Yes (adaptive)	Yes (adaptive)	No
Meal Plans	No (tracking focused)	Premium only	No	Premium only	Yes (premium)	Yes (premium)	No	Yes (color-coded)	No	No
Recipe Suggestions	Recipe import + DB	Community recipes	No	Limited	Yes (premium)	Yes (premium)	Community recipes	Yes	No	No
Recipe Import	Yes (URL import)	No	No	No	No	No	No	No	No	No
Grocery Lists	No	No	No	No	Yes (premium)	Yes (premium)	No	Yes	No	No
Allergen Filters	Yes	No	Yes	No	Yes	Yes	No	Limited	No	No
Coaching	No	No	No	No	Limited (tips)	Limited (tips)	No	Yes (human + AI)	AI-driven adaptation	No
Barcode Scanner	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Limited	Yes
Languages	9	20+	8	3	14	12	11	7	1	70+
Price	€2.50/mo	$19.99/mo	$5.99/mo	$3.33/mo	$6.99/mo	$4.17/mo	$6.49/mo	$59/mo	$11.99/mo	Free

Diet Support: What "Support" Actually Means

There is a meaningful difference between an app that has a dedicated "Keto Mode" with net carb tracking, keto-specific recipes, and macro suggestions, versus an app where you can manually set your carbs to 20g and figure out the rest yourself.

For keto dieters, the apps with the most useful support are Nutrola (detailed macro tracking with 100+ nutrients to ensure you are not missing micronutrients while restricting carbs), Cronometer (net carb tracking with micronutrient monitoring), and Yazio and Lifesum (both offer keto-specific meal plans on premium). MyFitnessPal and MacroFactor let you set keto-appropriate macros but do not offer keto-specific content.

For vegan dieters, the most important feature is not just filtering out animal products but tracking the nutrients that vegans commonly fall short on: B12, iron, zinc, omega-3 DHA/EPA, calcium, and complete protein. Nutrola excels here with 100+ nutrient tracking and the ability to set alerts for nutrients of concern. Cronometer similarly tracks these nutrients in detail. Most other apps lack the nutrient depth to meaningfully support a vegan diet beyond calorie counting.

For Mediterranean and other whole-food diets, Yazio and Lifesum offer the most structured support with pre-built meal plans. Nutrola and Cronometer provide the tracking depth to ensure you are meeting nutrient targets, though without structured meal plans.

Meal Plans: Most Trackers Skip This

This is where diet apps split into two camps: tracking apps and planning apps.

Yazio, Lifesum, and Noom all provide structured meal plans. Yazio and Lifesum generate weekly plans based on your selected diet, calorie target, and food preferences. Noom uses a color-coded system (green/yellow/orange foods) that is more about behavior change than specific dietary compliance.

Most tracking apps (Nutrola, Cronometer, MacroFactor, FatSecret, Samsung Health) do not provide meal plans. They are designed to track what you eat, not tell you what to eat. This is not a weakness per se. Many users prefer to choose their own meals and use the app to verify they are meeting their targets.

If pre-built meal plans are essential to your success on a diet, Yazio or Lifesum are your best options. If you prefer autonomy and want detailed tracking, Nutrola or Cronometer are stronger choices.

Recipe Features: Import vs. Suggest vs. Nothing

Recipe support varies widely across these apps.

Nutrola stands out with its recipe import feature: paste a URL from any recipe website and the app pulls in the ingredients, calculates complete nutrition data for 100+ nutrients, and saves it for quick logging. This is enormously useful for diet adherence because you can verify that your favorite keto casserole recipe actually fits your macros before you make it.

Yazio and Lifesum suggest recipes based on your selected diet plan. These are curated by the app and include nutrition information. The selection is decent but limited compared to the entire internet of recipes you can import into Nutrola.

MyFitnessPal and FatSecret have community-submitted recipe databases. Quality varies significantly.

Cronometer, MacroFactor, Samsung Health, Lose It, and Noom offer minimal or no recipe features.

Coaching and Guidance

If you want human or AI guidance alongside your tracking, the options are limited.

Noom is the most coaching-intensive option at $59 per month. You get assigned a human coach, daily lessons on food psychology, and a group support experience. The actual nutrition tracking is simplified, but the behavioral coaching is the product.

MacroFactor uses an AI-driven algorithm that adjusts your calorie and macro targets each week based on your actual weight trends. It is not coaching in the traditional sense, but it automates the macro adjustment process that would otherwise require a nutritionist.

Yazio and Lifesum provide tips and educational content within the app, but nothing approaching personalized coaching.

All other apps in the comparison, including Nutrola and Cronometer, focus on being tools rather than coaches. They give you the data and trust you to make decisions with it.

App-by-App Quick Summary

Nutrola — Best for diet adherence through comprehensive tracking rather than rigid meal plans. Track 100+ nutrients to ensure your diet is not creating hidden deficiencies. Recipe import from any URL makes it easy to verify that recipes fit your plan. AI photo and voice logging speeds up daily tracking. Zero ads, €2.50 per month, 9 languages.

MyFitnessPal — Supports custom macro goals for any diet but lacks structured diet-specific features. The enormous database makes it easy to find branded diet foods. Premium meal plans are available but generic. At $19.99 per month, it is expensive for what it offers to diet-focused users.

Cronometer — Excellent for diets where micronutrient monitoring matters (vegan, keto, elimination diets). Net carb tracking for keto. Allergen identification. No meal plans or recipes. Clinical interface. $5.99 per month.

Lose It — Basic diet support with a clean, simple interface. Built-in fasting timer is a nice addition. Limited nutrient tracking (12 nutrients) makes it hard to catch diet-related deficiencies. $3.33 per month.

Yazio — The strongest option for users who want pre-built meal plans for specific diets. Keto, paleo, vegan, and Mediterranean plans available on premium. Grocery list generation. 14 languages. The tracking itself is less detailed than Nutrola or Cronometer. $6.99 per month.

Lifesum — Similar to Yazio with structured meal plans and recipe suggestions for popular diets. Visually appealing interface. Diet-specific plans require premium. 12 languages. $4.17 per month.

FatSecret — Minimal diet support. Community recipes and basic macro tracking. Free tier with ads handles simple calorie counting. Not recommended for structured diet adherence.

Noom — A behavioral coaching program, not a diet tracking app. Best for users who need accountability and psychological support rather than detailed nutritional data. $59 per month makes it the most expensive option by a wide margin.

MacroFactor — Best for users on performance-oriented diets (bulking, cutting, body recomposition). AI-driven macro adjustments. Tracks only macros (4 nutrients). No meal plans or recipes. $11.99 per month.

Samsung Health — No meaningful diet support. Basic calorie tracking only. Free, but not suitable for following a structured diet.

Key Takeaways

No single app does everything. Meal planning apps (Yazio, Lifesum) are weak at nutrient tracking. Nutrient tracking apps (Nutrola, Cronometer) do not generate meal plans. Coaching apps (Noom) are weak at both tracking and planning. Choose based on what you need most.

Micronutrient tracking is critical for restrictive diets. If you are cutting out entire food groups (keto cuts carb-rich foods, vegan cuts animal products), you are at higher risk for specific nutrient deficiencies. Only Nutrola and Cronometer track enough nutrients to catch these gaps.

Recipe import is an underrated feature. Being able to paste a recipe URL and instantly see the complete nutritional breakdown helps you make informed decisions about what to cook, which directly affects diet adherence.

Coaching costs a premium. Noom's $59 per month is 23 times the cost of Nutrola's €2.50 per month. Whether coaching is worth that premium depends entirely on your personal needs.

Our Pick

For most dieters, Nutrola provides the best combination of tracking depth, diet flexibility, and value. Its 100+ nutrient tracking catches deficiencies that simpler apps miss, the recipe import feature verifies that your meals fit your plan, and AI photo and voice logging keeps daily tracking fast and frictionless. At €2.50 per month with no ads, it is accessible regardless of how long you plan to maintain the diet.

If you specifically want pre-built meal plans and are less concerned about nutrient depth, Yazio is the strongest planning-focused option. If you need behavioral coaching and accountability, Noom provides that, although at a significant cost. And if you are on a performance diet focused purely on macros, MacroFactor automates the macro adjustment process better than any other app.

Frequently Asked Questions

What is the best app for a keto diet?

For keto, you need accurate net carb tracking and ideally micronutrient monitoring (keto can lead to electrolyte and micronutrient gaps). Nutrola offers the most comprehensive tracking with 100+ nutrients. Cronometer has solid net carb tracking. Yazio and Lifesum provide keto-specific meal plans if you want structured guidance.

Which diet app has the best meal plans?

Yazio and Lifesum offer the most developed meal planning features, with diet-specific weekly plans, recipe suggestions, and grocery list generation. Both require premium subscriptions. Noom provides a color-coded eating framework but not traditional meal plans.

Can I track a vegan diet with a calorie counter?

You can track calories on any app, but tracking the nutrients vegans commonly lack (B12, iron, zinc, omega-3, calcium) requires an app with deep micronutrient tracking. Nutrola (100+ nutrients) and Cronometer (82+ nutrients) are the only realistic options for comprehensive vegan nutrition monitoring.

Do I need a coaching app like Noom?

Noom is best for people who struggle with the behavioral and psychological aspects of dieting rather than the nutritional specifics. If you already know what you should eat and just need a tool to track it, a dedicated tracker like Nutrola or Cronometer will serve you better at a fraction of the cost.

Can I import recipes from websites into a diet app?

Nutrola is the only app in our comparison that supports recipe import from URLs. Paste a link from any recipe website and the app automatically extracts ingredients and calculates complete nutrition data. Other apps require you to manually enter each ingredient, which is time-consuming and error-prone.

What is the cheapest diet app that actually works?

Nutrola at €2.50 per month offers the most features per dollar, including 100+ nutrients, AI logging, recipe import, and zero ads. FatSecret offers a free tier with basic calorie tracking if your budget is truly zero, though it lacks diet-specific features.