Comparison

IF vs Fasting Diary

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

Head to head
About

IF

This app simplifies intermittent fasting for weight loss and improved health. It offers personalized meal plans, a fasting tracker with reminders, and a supportive community. Achieve your fitness goals without restrictive dieting.

Highlights
  • Fasting tracker with customizable intervals
  • Personalized meal plans and recipes
  • Water intake reminders
  • Weight and measurement tracking
  • Motivational features and community support
  • Daily lessons and expert advice
Features
Read full description

Intermittent Fasting helps you: lose weight, slim quickly and live healthier. Join our fasting community of over 3 million people. Weight loss with the Nobel Prize-winning method: Optimal fat burning by eating at the right time! The weight loss app with no diet! The IF app makes intermittent fasting easy with more than 40 fasting plans, daily coaching, and recipes designed to boost your weight loss success. The recipes for your eating window are scientifically developed to help prevent cravings while fasting. Weight loss without diet! Use the AI Food Scanner as a calorie tracker: scan your food, track calories, and analyze your macronutrient breakdown (fat, protein, carbohydrates) with a single tap. The ideal food tracker. Healthy recipes tailored to you: whether you're vegan, vegetarian, pescatarian, or eat everything. Add your intolerances and allergies. Choose a nutrition plan, such as Keto or Low Carb. Lose weight without diet and without sacrificing flavor: get started now and download the intermittent fasten app free! Use the fasting tracker (fasting timer) free, including reminders for your intermittent fasting and eating windows. Planning your fasting schedule made simple! A weight loss app that helps you succeed without diet! Intermittent fasting free: - Fasting tracker (fasting planer) free - Choose fasting times and intervals (16:8 – 23:1) - Water tracker - Weight loss tracker, BMI calculator free Advantages of the If-app Premium: - Fasting timer, fasting tracker: when can I eat, when am I fasting? - Calorie counter / calorie tracker: AI food scanner (food tracker) – scan your meals, track calories and macros - 40+ fasting plan with different challenges from 16:8, over 18:6, 20:4 up to 23:1 (OMAD) - 400+ recipes that keep you full and make weight loss easier - Get daily tips & tricks for successful intermittent fasting - Water tracker: Are you drinking enough? We remind you! How much should you drink? We calculate it for you! - Weight loss workouts for extra fat loss, easier weight reduction and body shaping - Challenges for even more success: intermittent fasting with Keto or Low Carb, with positive affirmations, running challenges, squat challenges, HIIT workouts… - Daily intermittent fasting lessons for beginners to fasting pros: nutrition, tips, exercise, sport, mindset, sleep, weight loss - Scientific background and evidence on intermittent fasting - The biggest weight loss pitfalls permanently exposed - Weight loss tracker integrated, lose weight faster with calorie counter / calorie tracker - Anti-yo-yo plan after fasting - Weight loss app, diet app and calorie tracker for men and women - Fasting app and calorie counter / calorie tracker for beginners and advanced users - Nutrition plans: Keto, Low Carb - Nutrition tracker - Start and stop fasting with Apple Watch Motivation - Join the fasting community and connect with people who also want to lose weight - Scientifically proven: Achieve your goals faster together!
 Personal support - Our experts answer individually and help with every question: support@intervall-fasten.com Effects of intermittent fasting: - Boost fat burning - Use up body fat reserves - Strengthen the immune system - Detox the body, support cell regeneration - Slow down aging: more beautiful skin, younger appearance - Reduce inflammation and allergies - Improve concentration - More energy Intermittent fasting free (Ayuno intermitente gratis): Use the fasting tracker, timer, organize fasting times, receive push notifications, get reminders of fasting times and meal times, track your weight loss progress and success The If-app is no diet app but a life changing weight loss app free by building healthy habits. Get the fasting tracker free! Use the AI Food Scanner (food tracker) as a calorie counter. You get full access to all functions with an in-app purchase. If Intermittent Fasting 16:8, If-app Terms of Use & Privacy Policy: https://intervall-fasten.com/agb/

About

Fasting Diary

This app helps users achieve their weight loss and health goals through intermittent fasting. It provides guidance, motivation, and customizable fasting schedules to support users in burning fat, boosting energy, and improving metabolic health.

Highlights
  • Customizable fasting schedules
  • Plans for beginners and experts
  • One-tap start/stop for fasting
  • Adjustable eating and fasting times
  • Fasting alerts and reminders
Read full description

Unlock the power of intermittent fasting to reach your goal weight and get healthy. You’ll lose weight effectively and feel more active! Boost your energy levels and metabolic health along the way. With Fasting Diary, you'll have the support you need to receive specialized direction, advices, and motivation that will propel you forward. We are here to help you achieve your best self and guide you on how to maximize the benefits of IF. Intermittent fasting: what is it? One of the most well-liked trends in fitness and wellness is intermittent fasting. It's more of an eating pattern that alternates between eating and fasting times than a diet. It tells you when to eat, not what foods to eat or stay away from. We eat three to four meals a day, or more, and we never get hungry these days. This means that our organs must constantly work hard and never stop breaking down food. Diabetes and other health issues, as well as obesity, may be caused by our eating habits. Your body will cleanse, burn fat, and rebuild when you fast. You will feel more energetic and healthy after a few weeks. How effective is it ? Intermittent fasting has been shown to result in rapid weight loss. When you fast, your body enters a state known as ketosis, or the ""fat-burning"" state, as your body runs out of glycogen. This is a successful fat-burning method. It is one of the safest and most natural method of weight loss. According to studies, eating constantly prevents your body from taking a break from digestion, which can lead to health issues like diabetes. Simply stopping eating for a period of time, known as fasting, helps in reducing workloads on your liver. Fasting trackers for men and women are appropriate for both beginners, experts, offering a variety of fasting schedules. It helps you carry out your plan. You can easily stick to your diet without having to change your lifestyle. Consult with your physician before fasting if you are under the age of eighteen, pregnant, nursing, experiencing health problems, or underweight. Intermittent Fasting Plans that work for everyone! Make a customized fasting schedule. 13–11, 15–9, 16–10, 16–8, 18–6, 20–4, 23–1, 24, 36, 48, or in any duration. Benefits of Intermittent Fasting - Burn the fat stores on your body. - During fasting, begin the process of detoxification and regeneration. - Reduce the rate of aging - Advantage for blood sugar regulation - Diminish inflammatory response - Prevent several illnesses, including diabetes and heart disease - Boost your metabolism and growth hormone levels. - make you feel more energetic and well-being - Boost the efficiency of your body and mind - The healthiest and most natural method for losing weight - Lose weight without dieting or working out Features - Different plans for intermittent fasting - For novices as well as experts - To start or stop, just tap once. - Make your own fasting schedule - Adapt the time for eating and fasting - Configure alerts for when you fast. - A timer for fasting - Monitor your weight - Verify the state of your fast with these articles and advice based on science. - No need to track your calorie intake - Lose weight in a simple and effect way. Connect with Apple Health to help you keep track of your health data and daily steps. This application's content is not intended to be regarded as expert medical advice. Please consult a healthcare expert before making any decisions pertaining to your health. Privacy Policy : https:/fastingdiary.app/policy Terms of Use : https://fastingdiary.app/terms

Screenshots

IF4 screens
Fasting Diary4 screens

Verdict

The call

The clearest difference is ads: Fasting Diary at none against IF's shown. Fasting Diary also leads on iOS requirement (13.0 vs 15.0). IF's advantage is review sentiment (61% vs 43%) and device support (4 vs 2). On price, update cadence, in-app purchases and monetization model 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. IF sells 14 in-app purchases, starting at $9.99 per month and Fasting Diary sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

IF ships an update every 3 weeks, Fasting Diary fortnightly. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
IF versus Fasting Diary: the parameters behind the verdict, then further details
ParameterIFFasting Diary
PriceFreeFree
Rating4.8 (2.7K ratings) — better—
Positive reviews61.0% of reviews — better42.9% of reviews
Number of ratings2.7K — better—
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size172 MB63 MB
Age rating4+17+
Developer5W APPS GmbHDimo Co.,Ltd.

Customer experience

IF

All ratings2,658 ratings
Positive94.0%
Neutral4.0%
Negative2.0%
Written reviews444 reviews
Positive61.0%
Neutral7.9%
Negative31.1%

Fasting Diary

Written reviews21 reviews
Positive42.9%
Neutral4.8%
Negative52.4%

Bugs and requests

IF

Reported bugs

4 issues
  • App locking up and not resetting
  • Losing premium version after update
  • App not working after one day of use
  • Paid version not granting access

Requested features

4 requests
  • More guidance on the overall process
  • Apple Watch companion app
  • Improved nutrition section and recipes
  • Manual time adjustment option

Fasting Diary

Not enough reviews yet to summarise bugs or requests.

In-app purchases

14 purchases

IF

Subscriptions9
  • 1 month premium$9.991 Month
  • 1 month premium$12.491 Month
  • Premium discount$12.993 Months
Show 6 more
  • Premium discount$14.493 Months
  • 3 months premium$22.993 Months
  • 3 months premium$24.993 Months
  • 12 months premium$39.991 Year
  • 12 months premium3 Days trial$49.991 Year
  • 12 months premium$59.991 Year
One-time5
  • Lifetime$4.99
  • Lifetime$14.99
  • Lifetime$16.99
Show 2 more
  • Lifetime$19.99
  • Easy Keto$19.99
4 purchases

Fasting Diary

Subscriptions3
  • Pro monthly$0.991 Month
  • Pro 3 months$1.993 Months
  • Pro yearly$2.991 Year
One-time1
  • Pro$2.99

Questions

Is IF free?
IF is free to download, with in-app purchases available.
Is Fasting Diary free?
Fasting Diary is free to download, with in-app purchases available.
Do IF or Fasting Diary have ads?
IF shows ads; Fasting Diary does not.
Which is updated more often, IF or Fasting Diary?
IF ships an update every 3 weeks, and Fasting Diary fortnightly. Most recently, IF was updated on October 29, 2026 and Fasting Diary on October 15, 2026.

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