Comparison

Intermittent Fasting Timer IF vs HeyFast

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

Head to head
About

Intermittent Fasting Timer IF

This app helps you track intermittent fasting by visualizing metabolic states, managing fasting and eating windows, and providing smart notifications. It offers features like live lock screen updates and HealthKit integration to support your wellness journey.

Highlights
  • Metabolic zone visualization
  • Live Activity and Dynamic Island integration
  • Multiple fasting type options
  • Intelligent timer and scheduling
  • Fasting history and statistics
  • HealthKit integration
  • Achievement system
Features
Read full description

Transform Your Health with Smart Intermittent Fasting Fasting revolutionizes your health journey with intelligent tracking, personalized insights, and seamless automation. FASTING ZONES - TRACK YOUR METABOLIC STATE Visualize your body's metabolic phases as you fast: • Fed State (0-4h) - Digestion and nutrient absorption • Catabolic (4-8h) - Blood sugar normalizes, fat mobilization begins • Fat Burning (8-12h) - Body switches to burning stored fat • Ketosis (12-18h) - Ketone production increases for energy • Deep Ketosis (18-24h) - Enhanced fat burning and mental clarity • Autophagy (24h+) - Cellular cleanup and renewal LIVE ACTIVITIES AND DYNAMIC ISLAND • Live Activity on your lock screen shows elapsed time • Dynamic Island displays your fasting progress at a glance • See your current metabolic zone without opening the app SMART FASTING SYSTEM • Multiple Fasting Types - 16:8, 18:6, 20:4, OMAD, 24h, 36h, and custom • Intelligent Timer - Tracks fasting and eating windows precisely • Calendar Integration - Smart scheduling based on your events • Achievement System - Unlock milestones and build lasting habits POWERFUL TRACKING • Real-time fasting timer with visual progress rings • Detailed fasting history and statistics • Weekly and monthly analytics dashboards • Streak tracking and weight trends SEAMLESS AUTOMATION • Smart Notifications for fasting start/end times • iCloud Sync across all your devices • Widget Support for quick status checks • Background Tracking continues when app is closed PERSONALIZED EXPERIENCE • Interactive Tutorial to learn how the app works • Custom Fasting Plans that fit your lifestyle • Health Integration with HealthKit FREE FEATURES: • Up to 3 active fasting sessions • Basic fasting types (16:8, 18:6) • Timer and notifications • iCloud sync PREMIUM FEATURES (Additional Purchase): • Unlimited sessions and history • Advanced fasting types • Advanced analytics • Weight tracking and trends • Data export Perfect for beginners and experienced fasters alike. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

HeyFast

This app guides you through personalized intermittent fasting schedules like 16:8 and 14:10. Track your weight, receive reminders, and build sustainable healthy habits for long-term weight management.

Highlights
  • Personalized intermittent fasting plans
  • Multiple fasting schedules (16:8, 14:10, 18:6)
  • Daily weight tracking
  • Progress visualization
  • Healthy habit building tools
  • Reminders and motivation
Read full description

Start your journey toward a healthier lifestyle with an intermittent fasting plan tailored just for you. Choose from schedules such as 16:8, 14:10, or 18:6. Use the fasting timer to manage your fasting and eating windows at your own pace. Whether you prefer a shorter daily schedule or a longer fasting period, choose a routine that fits your day. Check when each fast starts and ends, follow your current window, and adjust your schedule whenever your routine changes. Track your daily weight with the weight tracker to visualize your progress and stay motivated. Regular entries make it easy to review changes over time and keep your progress in perspective. This fasting app helps you focus on sustainable weight management and building long-term healthy habits. If a day does not go as planned, return to your chosen schedule and continue at a pace that works for your lifestyle. Key Features - Intermittent fasting plans (16:8, 14:10, and more) - Fasting timer to monitor the start and end of each fasting period - Weight tracker and daily weight log to monitor your progress - Fasting window and eating window tracking - Fasting reminders and motivation to help you stay consistent Choose a plan, check your current window, record your weight, and turn on reminders when you need them. HeyFast brings these tools together in a simple intermittent fasting tracker that keeps your routine clear and manageable. Choose a plan that fits you Organize your routine with popular schedules such as 16:8, 14:10, or 18:6. Select the plan that works for your day and adjust your eating window whenever your routine changes. Track your progress Record your weight daily and review changes over time. Use your weight history and progress insights to stay consistent and recognize the habits you build day by day. Reminders at the right time Turn on notifications for alerts when your fast starts and ends. Fasting reminders help you follow your routine even on busy days. DISCLAIMER This app does not provide medical services and is not intended for diagnosis or treatment of any disease. If you experience health issues or suspect a medical condition, please consult a qualified healthcare professional. Stay consistent and discover your own rhythm for a healthier, balanced life! --- Terms of Service: https://nomad88.com/heyfast/terms.en Privacy Policy: https://nomad88.com/heyfast/privacy.en Contact: nomad88.software@gmail.com

Screenshots

Intermittent Fasting Timer IF4 screens
HeyFast4 screens

Verdict

The call

Intermittent Fasting Timer IF and HeyFast both sit at 5.0 stars, but that hides the real split: 100% of HeyFast's written reviews are positive against 0% of Intermittent Fasting Timer IF's. HeyFast also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (27 vs 1). On price, rating, ads and in-app purchases 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. Intermittent Fasting Timer IF sells 3 in-app purchases, starting at $2.99 per month and HeyFast sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Intermittent Fasting Timer IF against 4.9 for HeyFast. That said, the two scores are not equally well evidenced: HeyFast has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 0% of Intermittent Fasting Timer IF's written reviews are positive against 100% of HeyFast's.

UpkeepUpdate frequency

Intermittent Fasting Timer IF ships an update every 3 months, HeyFast every 2 weeks. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Intermittent Fasting Timer IF versus HeyFast: the parameters behind the verdict, then further details
ParameterIntermittent Fasting Timer IFHeyFast
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (27 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings127 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size18 MB72 MB
Age rating4+17+
DeveloperJeff CedillaNomad88 Co., Ltd.

Customer experience

Intermittent Fasting Timer IF

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

HeyFast

All ratings27 ratings
Positive92.6%
Neutral7.4%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Intermittent Fasting Timer IF

Subscriptions2
  • Monthly$2.991 Month
  • Yearly$6.991 Year
One-time1
  • Lifetime$9.99
3 purchases

HeyFast

Subscriptions2
  • HeyFast Pro - Monthly$1.991 Month
  • HeyFast Pro - Yearly7 Days trial$12.991 Year
One-time1
  • HeyFast Pro Lifetime$24.99

Questions

Is Intermittent Fasting Timer IF free?
Intermittent Fasting Timer IF is free to download, with in-app purchases available.
Is HeyFast free?
HeyFast is free to download, with in-app purchases available.
Which has better reviews, Intermittent Fasting Timer IF or HeyFast?
Intermittent Fasting Timer IF is rated higher. Intermittent Fasting Timer IF averages 5.0 out of 5 from 1 ratings, while HeyFast averages 4.9 from 27 ratings.
Do Intermittent Fasting Timer IF or HeyFast have ads?
Neither Intermittent Fasting Timer IF nor HeyFast shows ads.
Which is updated more often, Intermittent Fasting Timer IF or HeyFast?
Intermittent Fasting Timer IF ships an update every 3 months, and HeyFast every 2 weeks. Most recently, Intermittent Fasting Timer IF was updated on October 11, 2026 and HeyFast on October 24, 2026.

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