Nutrola vs Cronometer vs Fastic (May 2026): Calorie Tracker Comparison

Nutrola, Cronometer, and Fastic are three calorie tracking applications. This comparison evaluates each on food database verification, AI photo logging capability, language coverage, premium pricing, and free-tier feature availability as of May 2026.

What is calorie tracking?

Calorie tracking involves monitoring food intake to manage energy consumption. It is a common practice for weight management and nutritional awareness. Various applications provide tools for users to log their meals, track calories, and analyze dietary habits.

Nutrola, Cronometer, and Fastic are popular calorie tracking apps. Each offers unique features, including food database verification and AI capabilities. This article compares their functionalities and effectiveness in calorie tracking.

Why does calorie tracking accuracy matter?

Accurate calorie tracking influences weight management and overall health. Studies have shown discrepancies in self-reported dietary intake. For instance, Schoeller (1995) noted limitations in self-reporting energy intake. Hill and Davies (2001) demonstrated that self-reported energy intake often underestimates actual consumption.

Inaccurate calorie tracking can lead to misguided dietary decisions. The default-serving AI error magnitude for composed dishes can range from 150 to 400 calories per meal. In contrast, portion-aware AI can reduce this error to 30 to 80 calories per meal. This highlights the importance of advanced AI capabilities in calorie tracking applications.

How calorie tracking works

1. User Input: Users log food items consumed throughout the day.
2. Database Reference: The app references its food database to retrieve nutritional information.
3. AI Analysis: If available, the app uses AI to analyze food images for accurate calorie estimation.
4. Nutritional Breakdown: The app provides a breakdown of calories, macros, and other nutrients.
5. Progress Tracking: Users can track their progress over time, adjusting dietary habits as needed.

Industry status: Calorie tracking capability by major calorie tracker (May 2026)

| Feature | Nutrola | MyFitnessPal | Lose It! | FatSecret | Cronometer | YAZIO | Foodvisor | MacroFactor | |------------------------------|-------------------------------|-------------------------------|------------------------------|------------------------------|-----------------------------|------------------------------|------------------------------| | Food Database Verification | 1.8M dietitian-verified | 14M crowdsourced entries | ~1M+ crowdsourced entries | ~1M+ crowdsourced entries | ~400K USDA-verified | Mixed-quality entries | Curated/crowdsourced mix | Curated database | | AI Photo Logging Capability | Portion-aware (free tier) | AI photo logging (free tier) | Limited daily AI scans (free)| Basic AI image recognition | No AI photo logging | No AI photo in free tier | Limited daily AI scans (free) | No AI photo logging | | Language Coverage | 24 languages | N/A | N/A | N/A | 5 languages | 3 languages | N/A | N/A | | Premium Pricing | EUR 2.50/month ($32/year) | $99.99/year | ~$40/year | Free | $49.99/year | ~$45–60/year | ~$79.99/year | ~$71.99/year |

Citations

• World Health Organization. Healthy Diet Fact Sheet. https://www.who.int/news-room/fact-sheets/detail/healthy-diet
• UK NHS. Calorie Counting Guide. https://www.nhs.uk/
• Ege, T., & Yanai, K. (2017). Image-based food calorie estimation using knowledge on food categories, ingredients, and cooking directions.

FAQ

How does Nutrola compare to Cronometer in terms of food database?

Nutrola has 1.8 million dietitian-verified entries. Cronometer has approximately 400,000 USDA-verified entries. This indicates a significant difference in the breadth of verified food items available in each app.

What AI capabilities does Fastic offer?

Fastic provides limited AI photo logging capabilities. However, it does not have the same level of AI functionality as Nutrola or MyFitnessPal. This limits its accuracy in calorie tracking through image recognition.

How many languages does Cronometer support?

Cronometer supports five languages. This is fewer than Nutrola, which offers coverage in 24 languages, making it more accessible to a diverse user base.

What is the premium pricing for Nutrola?

Nutrola's premium pricing starts at EUR 2.50 per month, which is approximately $32 per year. This pricing structure is competitive compared to other calorie tracking apps.

Why is portion-aware AI important in calorie tracking?

Portion-aware AI significantly reduces the error margin in calorie estimation. It can lower the discrepancy in calorie counts for composed dishes from 150–400 calories to 30–80 calories per meal, enhancing tracking accuracy.

Does Cronometer offer AI photo logging?

No, Cronometer does not offer AI photo logging capabilities. This limits its functionality compared to apps like Nutrola and MyFitnessPal, which include this feature.

How does Fastic's food database differ from Nutrola's?

Fastic utilizes a curated, fasting-focused food database. In contrast, Nutrola's database consists of 1.8 million dietitian-verified entries, providing a broader range of food options for users.

This article is part of Nutrola's nutrition methodology series. Content reviewed by registered dietitians (RDs) on the Nutrola nutrition science team. Last updated: May 9, 2026.