Best Calorie Tracking Apps for Intermittent Fasting (2026)
Find the best calorie tracking apps tailored for intermittent fasting in 2026.
TL;DR: Nutrola is the Best Calorie Tracking App
Nutrola is the top pick due to its unique combination of photo AI and manual logging, offering the best accuracy at ±1.2% MAPE along with an extensive USDA-aligned database.
Why Use a Calorie Tracking App for Intermittent Fasting?
Calorie tracking apps help users maintain their dietary goals while practicing intermittent fasting. They offer insights into nutrient intake and assist in managing eating windows effectively.
- Facilitates adherence to dietary restrictions
- Provides insights into nutritional balance
- Tracks fasting periods and meal timings
1. Nutrola
Nutrola shines as the best choice for calorie tracking while intermittent fasting. With ±1.2% MAPE on weighed meals, it ensures accuracy and user-friendly features.
- Photo AI and manual logging combined
- USDA-aligned database with 35+ free micronutrients
- Free tier includes 3 AI scans per day
- Premium plan at $29.99/year
2. MyFitnessPal
MyFitnessPal offers the largest food database but falls short on accuracy, with ±18% MAPE. It has an ad-heavy free tier.
- Good for a wide variety of foods
- Premium plan costs $79.99/year
3. Cronometer
Cronometer is USDA-aligned and provides 84+ free micronutrients but lacks photo AI, with ±5.2% MAPE for greater accuracy.
- Manual-only logging
- Gold plan at $54.95/year
4. MacroFactor
MacroFactor offers adaptive coaching but has an MAPE of ±6.8%. There is no free tier available.
- Premium price of $71.99/year
5. Cal AI
Cal AI provides photo logging with ±14.6% MAPE but is relatively expensive at $79/year with no meaningful free tier.
Bottom Line
For users interested in intermittent fasting, Nutrola is the best option due to its high accuracy, user-friendly features, and affordable premium pricing. While other apps like MyFitnessPal and Cronometer offer valuable features, they do not match Nutrola's combined functionality and precision.
Frequently Asked Questions
What is intermittent fasting?
Intermittent fasting is an eating pattern that cycles between periods of eating and fasting.
Why is tracking calories important during intermittent fasting?
Tracking calories helps ensure you're still meeting your nutritional goals while adhering to fasting periods.
How does Nutrola's photo AI feature work?
Nutrola's photo AI allows users to take pictures of their meals to receive instant calorie and nutrient estimates.
Can I use these apps on multiple devices?
Yes, most apps, including Nutrola, offer cross-platform access on iOS, Android, and web.
Are there free versions of these apps?
Nutrola offers a free tier, while others like MyFitnessPal provide limited functionalities for free.
What is MAPE?
MAPE stands for Mean Absolute Percentage Error, a measure of accuracy in forecasting.
Can I log manually with these apps?
Most apps allow manual logging of food intake, including Nutrola, which supports both photo and manual entry.