Comparison

Easy Fast vs Fast Slow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Easy Fast

This health tracker helps users break bad food habits by focusing on intermittent fasting. It offers multiple fasting methods with adjustable durations and levels, along with tools to monitor progress and receive reminders.

Highlights
  • Fasting tracker
  • Start and stop fast timers
  • Customizable fasting plans
  • Progress trends
  • Reminders
  • Dark mode
Features
Read full description

Easy Fast — the simple, powerful fasting tracker built to make intermittent fasting easy. Easy Fast is your personal intermittent fasting companion designed to help you break free from unhealthy eating habits and take control of your health. Whether you're a beginner starting your first intermittent fasting plan or an experienced faster looking for a smarter fasting tracker, Easy Fast makes it simple to track, manage, and stay motivated throughout your fasting journey. WHY EASY FAST? Intermittent fasting is one of the most effective ways to lose weight, improve your relationship with food, and boost energy. Easy Fast gives you the structure, guidance, and motivation you need to build lasting fasting habits — all from your pocket. Unlike other fasting trackers, Easy Fast combines a clean, beautiful design with science-backed insights to make every fast count. WHO IS EASY FAST FOR? Beginners exploring intermittent fasting for the first time Anyone using a fasting tracker to lose weight or improve health People following 16:8, 18:6, 20:4, OMAD, or custom fasting plans Faster looking for a clean, distraction-free intermittent fasting app Anyone who wants to build consistent fasting habits with reminders and insights KEY FEATURES Fasting Timer — Start and stop your fasts with a beautiful, real-time fasting tracker countdown that shows your progress through every stage Multiple Fasting Plans — Choose from popular intermittent fasting plans like 16:8, 18:6, 20:4, OMAD, and more — or create your own custom fasting schedule Fasting Stages — See what's happening in your body at every hour of your fast with science-backed intermittent fasting milestones Smart Reminders — Get notified when to start fasting, when you hit milestones, and when your fast is complete Insights & Trends — Track your fasting streaks, view detailed stats, and monitor your intermittent fasting progress over time Weight Tracking — Log your weight and watch your fasting progress with easy-to-read charts Journal — Record how you feel during and after each fast with mood, energy, and hunger tracking Hunger Toolkit — Tools to help you push through cravings during fasting, including guided breathing, motivation cards, and wave timers Dark Mode — Full dark mode support for comfortable use day and night Live Activity — See your fasting timer right on your Lock Screen and Dynamic Island WHY USERS LOVE EASY FAST Easy Fast is more than just a fasting tracker — it's a complete intermittent fasting coach in your pocket. From the moment you start your first fast to building long-term fasting streaks, Easy Fast keeps you focused, informed, and motivated. SUBSCRIPTION INFORMATION Easy Fast offers a free version with basic fasting tracking. Unlock all features with a Premium subscription: Weekly, Monthly or Yearly subscription options available Payment will be charged to your iTunes Account at confirmation of purchase Your subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period Your account will be charged for renewal within 24 hours prior to the end of the current period You can manage your subscription and turn off auto-renewal in your Account Settings after purchase Free users can start and complete fasts, view fasting plans with benefits, and log weight. Premium subscribers get unlimited access to custom plans, advanced insights, hunger management tools, and all premium features. Privacy Policy: https://easyfastingapp.com/privacy Terms of Service: https://easyfastingapp.com/terms DISCLAIMER This app is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider before starting any diet, fasting plan, exercise, or health program. Never disregard professional medical advice or delay in seeking it because of something you have read in this app.

About

Fast Slow

Understand your body's metabolic changes during fasting with a visual timeline. This free app guides you through different fasting zones, from digestion to deep ketosis, and offers customizable schedules and smart notifications. It provides stats, streaks, and widgets for easy progress tracking.

Highlights
  • Fasting timer with visual timeline
  • 6 customizable fasting schedules
  • 5 distinct fasting zones explained
  • Smart notifications for fasting windows
  • Stats, streaks, and trends tracking
  • Home and Lock Screen widgets
  • Siri Shortcuts integration
Features
Read full description

See what happens inside your body as you fast. Fast Slow walks you through 5 fasting zones, from digestion through fat burning to deep ketosis, so you understand what every hour of your fast is doing. 100% free. Every feature. No ads. No paywalls. No trackers. Free forever. WHAT MAKES FAST SLOW DIFFERENT Most fasting apps just count down a timer. Fast Slow shows you what's actually happening in your body at each stage: - Anabolic (0-4h): Digesting and storing nutrients - Catabolic (4-8h): Tapping into energy reserves - Fat Burning (8-12h): The metabolic switch - Ketosis (12-16h): Ketones and cellular cleanup - Deep Ketosis (16h+): Deep cellular renewal Tap any zone to learn more about the science behind it. 100% FREE. EVERY FEATURE INCLUDED. No premium tier. No trial that expires. No paywall gates. Every feature in Fast Slow is yours from day one: - All 6 fasting schedules - All stats, streaks, and trends - All widgets (Home Screen and Lock Screen) - All notifications - Siri Shortcuts - iCloud sync - Data export Everything free. No catches. FEATURES Fasting Timer One tap to start. One tap to stop. A visual timeline shows where you are, what zone you're in, and what comes next. 6 Fasting Schedules 12:12 for beginners, 14:10, 16:8 (the most popular), 18:6, 20:4, and OMAD (one meal a day) for experienced fasters. Visual Timeline Color-coded timeline of your fasting and eating windows. Plan meals, training, and recovery at a glance. Smart Notifications 7 notification types: goal reached, halfway there, one hour left, eating window alerts, and a custom last meal reminder. Nudges, not nags. Stats & Streaks Total fasts, average duration, personal records, weekly trends, and a monthly fasting calendar. Small wins add up. Widgets Home Screen and Lock Screen widgets with progress rings, timelines, and live timers. Check your fast without opening the app. Siri Shortcuts "Hey Siri, start my fast." Start, stop, and check your fasting status hands-free. AI-Powered Greetings On supported devices, Apple Intelligence creates personalized messages based on your fasting progress, streak, and time of day. iCloud Sync Your fasting data syncs automatically across all your devices. Data You Own Export your fasting history as JSON. Delete everything with one tap. Your data, your choice. DESIGNED FOR REAL LIFE Pick a schedule, adjust as needed, and let Fast Slow handle the timing. New to fasting or already have a routine, it works either way. Structure when you want it, out of the way when you don't. Built by one developer who fasts every day. No corporate agenda. No growth hacking. A well-made tool that respects your time and your data. RESPONSIBLE APPROACH Intermittent fasting can support weight management, energy, and focus, but results vary. Fast Slow provides tools and information, not medical advice. If you have health conditions, are pregnant, or have a history of eating disorders, please talk to a healthcare professional before starting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cernezan.com/fast-slow/privacy/

Screenshots

Easy Fast4 screens
Fast Slow4 screens

Verdict

The call

The clearest difference is review sentiment: Fast Slow at 100% against Easy Fast's 0%. Fast Slow also leads on rating (5.0 vs 4.5) and monetization model (free vs free with in-app purchases). Easy Fast's advantage is ratings volume (240 vs 36). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Easy Fast sells 3 in-app purchases, starting at $4.99 per 7 days and Fast Slow sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fast Slow holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Easy Fast has 240 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 0% of Easy Fast's written reviews are positive against 100% of Fast Slow's.

UpkeepUpdate frequency

Easy Fast ships an update every 5 weeks, Fast Slow every 2 weeks. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard5 real differences · 5 level
Easy Fast versus Fast Slow: the parameters behind the verdict, then further details
ParameterEasy FastFast Slow
PriceFreeFree
Rating4.5 (240 ratings)5.0 (36 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings240 — better36
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size64 MB23 MB
Age rating12+4+
DeveloperNextPixel appsZan Cerne

Customer experience

Easy Fast

All ratings240 ratings
Positive89.2%
Neutral1.7%
Negative9.2%
Written reviews9 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Fast Slow

All ratings36 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Easy Fast

Subscriptions3
  • Fasting Tracker - Weekly Plan3 Days trial$4.997 Days
  • Fasting Tracker - Monthly Plan$9.991 Month
  • Easy Fast - Yearly$49.991 Year
4 purchases

Fast Slow

Subscriptions2
  • Legacy$1.997 Days
  • Legacy - Yearly3 Days trial$12.991 Year
One-time2
  • Buy Me a Coffee$2.99
  • You're Amazing$9.99

Questions

Is Easy Fast free?
Easy Fast is free to download, with in-app purchases available.
Is Fast Slow free?
Fast Slow is free to download, with in-app purchases available.
Which has better reviews, Easy Fast or Fast Slow?
Fast Slow is rated higher. Easy Fast averages 4.5 out of 5 from 240 ratings, while Fast Slow averages 5.0 from 36 ratings.
Do Easy Fast or Fast Slow have ads?
Neither Easy Fast nor Fast Slow shows ads.
Which is updated more often, Easy Fast or Fast Slow?
Easy Fast ships an update every 5 weeks, and Fast Slow every 2 weeks. Most recently, Easy Fast was updated on October 16, 2026 and Fast Slow on October 17, 2026.

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