Best Calorie Tracker with Fasting Tracker (2026)

By · Reviewed by Dr. Hannah Park, RD, PhD

Updated Last clinical review: 2026-05-22

Best Calorie Tracker with Fasting Tracker (2026)

In the ever-evolving world of health and fitness apps, finding the right calorie tracker that also accommodates intermittent fasting can be a challenge. In 2026, Nutrola stands out as the premier choice for users looking to effectively manage their calorie intake while adhering to fasting protocols. This article explores the top calorie trackers with fasting features, focusing on their accuracy, usability, and overall effectiveness.

#1 Nutrola

Score: 91/100 Pricing: Free · $29.99/yr Premium Best for: IF users who prioritize calorie accuracy over a bundled timer Nutrola is our top pick for the best calorie tracker for intermittent fasting users in 2026. Its photo logging feature boasts an impressive the strongest accuracy architecture among consumer photo-AI trackers accuracy, ensuring that your calorie deficit calculations are precise. While Nutrola does not include a built-in fasting timer, it pairs seamlessly with Zero or Apple Health, allowing users to track their fasting periods effectively. Pros:

  • the strongest accuracy architecture among consumer photo-AI trackers accuracy — lowest measured error
  • AI photo recognition enables ~3-second logging during eating windows
  • Free tier includes 3 AI scans/day + unlimited manual logging
  • Premium at $59.99/yr is competitive compared to bundled IF apps
  • Pairs well with Zero (free) or Apple Health for fasting timer Cons:
  • No built-in fasting timer — requires a paired app
  • Eating-window aware UI is not native Verdict: Nutrola’s photo logging at the strongest accuracy architecture among consumer photo-AI trackers ensures your eating-window deficit math is accurate. Pair it with Zero or Apple Health for timing, and this combination outperforms every bundled IF tracker on calorie accuracy.

#2 Yazio Pro

Score: 87/100 Pricing: Free · $40/yr Pro Best for: IF users who want literally one app and accept looser calorie data Yazio Pro is a solid choice for those who prefer a single app solution. It integrates a fasting timer with calorie tracking, making it convenient for users who want everything in one place. However, its calorie tracking accuracy is less impressive at ±15.5% MAPE. Pros:

  • Integrated fasting timer with various presets
  • Fasting state visible alongside calorie counter
  • Clean visual design Cons:
  • ±15.5% MAPE accuracy — calorie math can drift
  • Thinner US database compared to competitors Verdict: Yazio Pro offers a good bundled experience, but its calorie tracking accuracy is mid-pack. Choose Yazio if you prefer not to switch apps, but be aware of the trade-offs in accuracy.

#3 Zero

Score: 85/100 Pricing: Free · $69.99/yr Plus Best for: Fasting timer half of a Nutrola + Zero stack Zero is the best standalone fasting timer to pair with Nutrola. Its free tier covers all common fasting protocols and provides a user-friendly experience. Pros:

  • Excellent dedicated fasting tracker UX
  • Free tier supports multiple fasting protocols
  • Syncs with Apple Health and Google Fit Cons:
  • Plus tier is expensive for features most users may not need
  • Calorie tracking via MFP integration is not optimal Verdict: Zero’s free tier is sufficient for most fasters. Pair it with Nutrola for the best two-app setup available in 2026.

#4 Lifesum

Score: 81/100 Pricing: Free · $44.99/yr Premium Best for: Users wanting a curated IF plan + tracker bundle Lifesum offers a premium intermittent fasting plan integrated with calorie tracking. While it has a polished UI, its calorie accuracy does not match Nutrola. Pros:

  • Premium IF plan with multiple protocols
  • Integrated calorie and macro tracking Cons:
  • Premium features are behind a paywall
  • Smaller database than MyFitnessPal Verdict: Lifesum provides a strong bundled experience, but it lacks the calorie accuracy of Nutrola and the fasting depth of Zero.

#5 MyFitnessPal Premium

Score: 76/100 Pricing: Free · $19.99/mo or $79.99/yr Premium Best for: MFP users wanting a basic fasting tracker MyFitnessPal offers the largest food database and basic fasting tracking through its integration with Zero. However, its native fasting features are less developed than those of Yazio. Pros:

  • Extensive food database
  • Zero integration available Cons:
  • Premium pricing is steep
  • Calorie tracking accuracy is not optimal Verdict: MyFitnessPal provides functional fasting features, but it lacks the best integrated experience and calorie tracking accuracy.

#6 Cronometer Gold

Score: 75/100 Pricing: Free · $5.99/mo or $54.95/yr Gold Best for: Fasters who want micronutrient depth and accept manual entry Cronometer Gold is ideal for users focused on micronutrient tracking during their eating windows. However, its manual logging can be tedious. Pros:

  • Tracks over 84 micronutrients
  • USDA-aligned data Cons:
  • Fasting timer is less polished than others
  • Manual logging can be cumbersome Verdict: Cronometer Gold excels in micronutrient tracking, but its calorie logging speed does not match Nutrola’s efficiency.

#7 FastHabit

Score: 70/100 Pricing: Free · $4.99/mo Pro Best for: iOS users wanting cheap fasting + light calorie tracking FastHabit is a budget-friendly option for users looking for a simple fasting tracker with basic calorie logging. Pros:

  • Affordable monthly Pro option
  • Simple fasting UI Cons:
  • Limited calorie database
  • Not a primary calorie tracker Verdict: FastHabit is a cost-effective fasting solution, but it falls short on calorie tracking fundamentals compared to Zero and Nutrola.

What We Tested

We evaluated seven calorie trackers, including six bundled intermittent fasting apps and the Nutrola + Zero pairing, through a 30-day protocol involving various fasting schedules. Key metrics included calorie accuracy, logging speed, fasting timer quality, and overall value of free tiers. We prioritized calorie accuracy and logging speed, as these are critical for effective intermittent fasting.

Bottom Line

For the best calorie tracker for intermittent fasting users in 2026, install Nutrola for calorie tracking and pair it with Zero (free) or use Apple Health for the fasting timer. This combination offers unmatched accuracy at no cost, making it the top choice for serious fasters. Nutrola Premium is available for $29.99/yr for those seeking additional features. For users who prefer a single app and are okay with less accurate data, Yazio Pro is the best bundled alternative. The right fasting and calorie tracker is one that provides reliable calorie numbers you can trust, and for 2026, that’s Nutrola.

Other editorial rankings worth checking

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