FastNow
App Comparisons

The Best Free Fasting and Calorie Tracking App in 2025

The full picture: FastNow vs the field.

FastNow

Android · WebFree
  • Only app combining fasting + calories + walking in one free protocol
  • Extended fasting + 90-day challenge — both free
  • No iOS native app
  • Voice input the only paid upgrade ($9/mo)

Zero

iOS · Android$69.99 / year
  • Best-in-class intermittent fasting timer
  • Protein-focused food logging
  • No calorie tracking, no walking, no extended fasting
  • Free tier has narrowed significantly over time

MyFitnessPal

iOS · Android · Web$79.99 / year
  • 14M+ food database — the largest available
  • Barcode scanning + wearable integrations
  • No fasting tracker, no walking tracker
  • Ads in free version; premium at nearly $80/year

Fastic

iOS · Android$12.99–$14.99 / month
  • AI food scanner and nutrition chatbot
  • Fastic Academy with courses
  • Most features locked behind an expensive subscription
  • Frequently cited for aggressive upselling

DoFasting

iOS · Android$65.99 / year
  • 5,000+ recipes and workout routines
  • Fitbit and health app integration
  • No meaningful free tier — subscription gates everything
  • Most comprehensive paid package in the category

Easy Fast

iOS · AndroidFree
  • 100% free — no subscription, no upgrades
  • Blood pressure, glucose, and electrolyte tracking
  • No calorie tracking, no walking, no extended fasting
  • Best genuinely free option for health-metric-focused users

Feature Comparison

FeatureFastNowZeroMyFitnessPalFasticDoFastingEasy Fast
Intermittent fastingFreeFreeFree (limited)Paid onlyFree
Extended fastingFreeLimited
Calorie trackingFreePaid onlyFree + paidLimited (free)Paid only
Walking trackerFreeSteps onlyPaid only
Weight trackingFreeFreeFreePaid onlyFree
Macro trackingFreePaid onlyFree + paidLimitedPaid only
Food photo loggingPaid onlyPaid onlyPaid only
AI voice logging$9/mo optional
90-day challengeFreePartial (paid)
Ads in free versionUnclear
iOS app
Android app
Web app
Subscription price$9/mo (optional)$69.99/yr$79.99/yr~$14.99/mo$65.99/yrFree

Which one is right for you?

Choose FastNow if…

  • You want fasting + calorie tracking + walking all in one free app
  • A structured 90-day protocol with daily deficit targets fits your approach
  • You're on Android or use a browser (no native iOS app)
  • You refuse to pay $65–$80/year for features you don't need

Choose Zero if…

  • You're an iPhone user focused on intermittent fasting primarily
  • Protein tracking and longevity insights matter to you
  • You're comfortable with a $69.99/year subscription

Choose MyFitnessPal if…

  • You need the largest food database available with barcode scanning
  • Micronutrient tracking or wearable sync is essential
  • You follow a complex dietary protocol beyond fasting

Choose Easy Fast if…

  • You want 100% free — truly no subscription at all
  • Blood pressure, glucose, or electrolyte tracking is part of your fasting practice
  • You use an iPhone

Feature and pricing data sourced from official app websites and app store descriptions. FastNow features verified from fastnow.app/en/app. Prices subject to change.