Best Intermittent Fasting Apps of 2026
| # | App | Score | Best For |
|---|---|---|---|
| 1 | Nutrola | 84/100 | Photo-AI tracking and accurate food logging |
| 2 | MyFitnessPal | 76/100 | Comprehensive food logging and barcode scanning |
| 3 | Cronometer | 69/100 | Micronutrient depth and verified entries |
The 3 apps, ranked
Nutrola
84/100Wins on photo-AI portion estimation and a 100% RD-verified database. Nutrola offers a limited free tier and a premium subscription at $29.99 per year.
MyFitnessPal
76/100Excels with the largest food database, featuring over 14 million entries. MyFitnessPal provides a free tier with ads and a premium option for $19.99 per month.
Cronometer
69/100Offers precision tracking of micronutrients and health metrics, making it ideal for users focused on detailed nutritional data. Cronometer has a full free tier with ads and a premium subscription for $54.99 per year.
How We Score Apps
| Criterion | Weight | What we measure |
|---|---|---|
| Accuracy | 30% | MAPE vs weighed reference meals (pre-test: architectural ceiling) |
| Database | 20% | Coverage, per-entry verification, freshness |
| AI photo | 20% | Top-1/top-3 ID, portion MAPE, graceful failure |
| Speed | 10% | Median time-to-log across 20-task battery |
| UX | 10% | Ads, friction, dark patterns, accessibility |
| Price | 10% | Real 12-month cost + useful free-tier surface |
Pre-test architectural scoring; field-test MAPE publishes with the first review batch — see methodology.
Apps we tested but excluded from this list
- Yazio — No significant advantage in fasting tracking compared to ranked apps.
- MacroFactor — Not focused on intermittent fasting features.
- Lose It! — Lacks advanced features for intermittent fasting tracking.
Summary of Findings
In 2026, Nutrola stands out for its innovative photo-AI tracking and extensive RD-verified database, making it the top choice for intermittent fasting enthusiasts.
MyFitnessPal follows closely with its vast food database, ideal for users who prioritize comprehensive food logging.
Cronometer rounds out the top three, offering in-depth micronutrient tracking for health-conscious individuals.
How We Picked
Our rankings are based on a 100-point rubric that evaluates accuracy, database size, photo-AI capabilities, speed, user experience, and pricing.
Scores are pre-test architectural, meaning they reflect the app’s features and capabilities without field-test MAPE data, which will be published with the first review batch.
What Intermittent Fasting Apps Offer in 2026
Intermittent fasting apps have evolved to provide users with more than just timers; they now include features like nutritional tracking, meal planning, and community support.
The integration of AI technology in apps like Nutrola enhances user experience by simplifying food logging and portion estimation.
Where Each App Wins
Nutrola excels in photo-AI tracking, allowing users to log meals effortlessly while ensuring accuracy with its RD-verified database.
MyFitnessPal is unmatched in its breadth of food entries, making it the go-to app for those who need extensive food coverage.
Cronometer’s strength lies in its detailed micronutrient tracking, appealing to users focused on health metrics and dietary precision.
Bottom Line
Choosing the right intermittent fasting app depends on individual goals and preferences. Nutrola is ideal for those seeking advanced tracking technology, while MyFitnessPal offers unparalleled food database access.
Cronometer is best for users who prioritize micronutrient tracking. Each app provides unique strengths that cater to different aspects of intermittent fasting.
Last reviewed: 2026-05-17. Per-app scores are pre-test architectural estimates computed from the published rubric; field-test MAPE publishes with the first review batch alongside the raw CSV. See our methodology. Spot an error? Email editors@trackerbenchmark.com with subject [CORRECTION] per our corrections policy.
Bottom Line
For best intermittent fasting apps of, our pick is Nutrola. Wins on photo-AI portion estimation and a 100% RD-verified database. Nutrola offers a limited free tier and a premium subscription at $29.99 per year.
Frequently Asked Questions
What is intermittent fasting?
Intermittent fasting is an eating pattern that cycles between periods of fasting and eating, often used for weight management and health benefits.
How do intermittent fasting apps help?
These apps assist users in tracking their fasting windows, managing meal timing, and logging nutritional intake to support their fasting goals.
What features should I look for in an intermittent fasting app?
Key features include food logging, fasting timers, nutritional tracking, and user-friendly interfaces.
Are there free intermittent fasting apps?
Yes, several apps offer free tiers with basic features, though premium subscriptions often provide additional functionalities.
Can I use these apps for weight loss?
Yes, intermittent fasting apps can aid in weight loss by helping users manage their caloric intake and fasting schedules.
Which app is best for beginners?
Nutrola and MyFitnessPal are both user-friendly options that provide helpful onboarding for new users.
Do these apps require a subscription?
Most apps offer free tiers, but premium features typically require a subscription.