Comparison

Fast vs Empty

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

Head to head
About

Fast

This app helps you track intermittent fasting routines, monitor progress, and analyze health data. It offers educational content, motivational challenges, and a journal to record your feelings. Connect with friends for support and motivation on your wellness journey.

Highlights
  • Fasting timer and tracker
  • Progress analytics and history
  • Educational 'Know It' section
  • Motivational challenges and trophies
  • Mood tracker and journal
  • Health app integration (steps)
  • Fasting buddy feature
Features
Read full description

Fast: Fasting Tracker & Timer helps you build consistent fasting habits with flexible fasting plans, body weight logging, water intake tracking, reminders, and detailed progress insights. Whether you're new to intermittent fasting or already following a routine, the app provides the tools to stay organized and work toward your personal health and wellness goals. Choose a fasting plan, customize your schedule, and track every fast in one place with an easy-to-use fasting tracker. FASTING PLANS Find a fasting schedule that works for your lifestyle. Choose from 12:12, 13:11, 14:10, 15:9, 16:8, 17:7, 18:6, 19:5, 20:4, 21:3, 22:2, 23:1, MWF, TTS, or create your own custom fasting plan. Whether you're starting intermittent fasting or maintaining an existing routine, you can choose a plan that suits your goals. FASTING TRACKER & TIMER Track active and completed fasts with an intuitive fasting tracker and timer. Review your fasting history and monitor your consistency over time. BODY WEIGHT & WATER TRACKING Log your body weight and monitor changes throughout your fasting routine. Track your daily water intake to stay hydrated and build healthier habits alongside your fasting schedule. SMART REMINDERS Stay on schedule with fasting reminders and water intake reminders. Customize notifications to help you start and end your fasting window on time while maintaining your daily hydration routine. ANALYTICS & HISTORY Review your fasting sessions, body weight, hydration logs, activity, and history with easy-to-understand analytics that help you monitor your progress and stay consistent. INFORMATIVE BLOGS Learn more about intermittent fasting through informative blogs covering healthy habits, wellness topics, and practical guidance to help you better understand your fasting routine. FASTING BUDDIES Stay motivated by fasting together. Invite friends, track each other's progress, and encourage one another throughout your fasting journey with the Buddy feature. ACTIVITY SUPPORT Sync your activity data to keep your fasting progress and daily activity organized in one place for a more complete overview of your routine. Whether you're following a 16:8 fasting schedule, exploring different intermittent fasting plans, or creating a custom fasting routine, Fast: Fasting Tracker & Timer gives you the tools to stay organized and build lasting healthy habits. DISCLAIMER This app is intended for informational and lifestyle purposes only and does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before starting any fasting routine, especially if you have an existing medical condition, are pregnant, or have specific dietary requirements. PRIVACY POLICY https://maximaapps.com/fasting/privacy_policy.html TERMS OF USE https://maximaapps.com/fasting/terms-of-use.html GET IN TOUCH Have questions, feedback, or suggestions? We'd love to hear from you. Contact us through the app or email us at feedback@maximaapps.com.

About

Empty

This app helps users achieve weight loss goals and improve metabolic health through intermittent fasting. It offers personalized fasting plans, progress tracking, and educational content to support a healthy lifestyle.

Highlights
  • Fasting timer with progress monitoring
  • Customizable fasting plans
  • Weight and water intake tracking
  • Body status and metabolic insights
  • Daily educational content
  • Health app integration
Features
Read full description

Empty - intermittent fasting app is a unique fasting app tailored to meet your weight loss goals. Unlock the power of intermittent fasting as it aids your weight loss journey and improves your overall metabolic health. Our intermittent fasting app will walk you through your weight loss and fitness goals seamlessly, help you regulate your hormones, and enjoy all the many health benefits intermittent fasting offers without hassles. There's no time like the present to get the banging body you've always dreamed about. Don't waste any more time. Download the Empty intermittent fasting app today to start a safe, easy, sustainable weight loss journey. EMPTY - YOUR PROFESSIONAL FASTING ASSISTANT New to intermittent fasting? Many people worldwide are already taking advantage of this easy yet effective weight-loss hack. It would be best if you did too. Let us help you realize the potential of intermittent fasting and how it can help you maintain a healthy lifestyle. The app is perfect for you if you have a problem controlling your eating habits. You will also find educational and motivational content to help you keep your body and mind in great shape. FEATURES: Fasting timer Want to monitor your fasting intervals? Empty has a fasting timer, and all you have to do is switch it on! You could see what stage of fasting or eating you're currently at and thereby optimize your results. Stay on track with our helpful tips and timely reminders. Fasting plans Choose from several options according to what's right for you. The app has protocols for beginners, intermediaries, and experts, and they all work perfectly with whatever diet you're on, be it keto, paleo, gluten-free diet, etc. Weight Tracker Track your weight as you use the app. You can watch your weight drop on the graphs as you progress on your fasting journey. Water tracker Stay hydrated! Water is essential for good health. Are you getting enough? The app will ensure you do just that, with a feature that calculates your daily water requirements and a reminder to help you stay on track. Body status Know your body. Our app tracks key metrics about the changes that occur in your body as you fast, such as rate of metabolism, ketosis, blood sugar level, etcetera. Statistics Follow the changes that occur in your body and track them. Use the statistic feature to monitor your fasting progress, water intake, the number of steps taken, and weight. Insights Find answers to your many questions through the insights feature of our app. You also get to learn something new about intermittent fasting every day. Health App Integration Sync your data from your Apple Health kit, and your data is automatically uploaded. Hence, saving you the stress of doing it yourself. SUBSCRIPTION INFO: You can download the app for free. Further use requires a subscription. - When opting for a subscription, you pay the fixed price for your country, which is displayed in the app. - Payment will be charged to your iTunes Account upon confirmation of purchase. - Subscription automatically renews unless auto-renewal 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 subscription period. - You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. - When canceling a subscription, your subscription will stay active until the end of the current period. Auto-renewal will be disabled, but the current subscription will not be refunded. For more information, see our: Privacy Policy: https://www.mgp.lv/app/empty/pp.html Terms of Use: https://www.mgp.lv/app/empty/tc.html

Screenshots

Fast4 screens
Empty4 screens

Verdict

The call

The clearest difference is review sentiment: Fast at 75% against Empty's 0%. Fast also leads on rating (4.7 vs 1.0) and ads (none vs shown). Empty's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (15.2 vs 18.6). On price, in-app purchases, monetization model 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. Fast sells 8 in-app purchases, starting at $4.99 per month and Empty sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Fast holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Fast has 3.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 75% of Fast's written reviews are positive against 0% of Empty's.

UpkeepUpdate frequency

Fast ships an update every 2 months, Empty every 10 days. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Fast versus Empty: the parameters behind the verdict, then further details
ParameterFastEmpty
PriceFreeFree
Rating4.7 (3.3K ratings) — better1.0 (4 ratings)
Positive reviews74.6% of reviews — better0.0% of reviews
Number of ratings3.3K — better4
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS18.615.2 — better
Further details — not scored
Size116 MB40 MB
Age rating12+12+
DeveloperMaxima AppsMGP DIGITAL

Customer experience

Fast

All ratings3,300 ratings
Positive91.8%
Neutral4.8%
Negative3.5%
Written reviews189 reviews
Positive74.6%
Neutral10.6%
Negative14.8%

Empty

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Fast

Reported bugs

3 issues
  • Timer not accurately recording fasting times
  • Inability to update weight in app
  • Crashing when trying to view friend's status

Requested features

4 requests
  • Option to edit fasting start/end times
  • More detailed analytics and progress tracking
  • Improved syncing and data saving reliability
  • Expanded customization options

Empty

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Fast

Subscriptions6
  • Fast Premium Monthly$4.991 Month
  • Fasting Monthly$14.991 Month
  • Fasting Annually$19.991 Year
Show 3 more
  • Fasting Premium$27.993 Months
  • Fast Premium Yearly$29.991 Year
  • Fasting Premium Yearly$39.991 Year
One-time2
  • Fasting One Time Special Offer$19.99
  • Fasting Pro$49.99
3 purchases

Empty

Subscriptions3
  • 1 Month Access$19.991 Month
  • 3 Months Access$26.493 Months
  • 12 Months Access$45.991 Year

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is Empty free?
Empty is free to download, with in-app purchases available.
Which has better reviews, Fast or Empty?
Fast is rated higher. Fast averages 4.7 out of 5 from 3.3K ratings, while Empty averages 1.0 from 4 ratings.
Do Fast or Empty have ads?
Empty shows ads; Fast does not.
Which is updated more often, Fast or Empty?
Fast ships an update every 2 months, and Empty every 10 days. Most recently, Fast was updated on November 7, 2026 and Empty on November 3, 2026.

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