Comparison

Fasting Diary vs nak

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

Head to head
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

About

nak

This app uses your device's front camera to ensure your eyes are closed during meditation sessions. The timer only progresses when your eyes are shut, preventing faking and encouraging genuine mindfulness. It offers various session lengths, progress tracking, and private journaling.

Highlights
  • Eye-tracking to verify closed eyes
  • Timed meditation sessions
  • Progressive otter transformation
  • Earn orbs and climb leaderboards
  • Private journaling
  • Logs Mindful Minutes to Apple Health
Features
Read full description

Sit with a little otter on a floating island. nak is not another meditation timer - the front camera checks that your eyes are actually closed. The clock only runs while they are. Open your eyes and it waits. This is meditation you can't fake. - Seven levels, from 5 minutes to a full hour - The otter transforms as you go deeper - all the way to the Naga King - Earn orbs, climb the ladder on total minutes or longest daily streak - Journal what came up, privately - Logs Mindful Minutes to Apple Health Privacy first: all camera processing happens on-device. Not a single frame ever leaves your phone - only the measured numbers are sent. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fasting Diary4 screens
nak4 screens

Verdict

The call

The clearest difference is review sentiment: nak at 100% against Fasting Diary's 43%. nak also leads on update cadence (every 2 days vs fortnightly) and device support (4 vs 2). Fasting Diary's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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. Fasting Diary sells 4 in-app purchases, starting at $0.99 per month and nak sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Fasting Diary ships an update fortnightly, nak every 2 days. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Fasting Diary versus nak: the parameters behind the verdict, then further details
ParameterFasting Diarynak
PriceFreeFree
Rating—4.9 (8 ratings) — better
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings—8 — better
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS13.0 — better15.0
Further details — not scored
Size63 MB152 MB
Age rating17+4+
DeveloperDimo Co.,Ltd.POLYME DOT COMPANY LIMITED

Customer experience

Fasting Diary

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

nak

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

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
2 purchases

nak

Subscriptions2
  • nak pass7 Days trial$4.991 Month
  • Nak Pass$4.991 Month

Questions

Is Fasting Diary free?
Fasting Diary is free to download, with in-app purchases available.
Is nak free?
nak is free to download, with in-app purchases available.
Do Fasting Diary or nak have ads?
Neither Fasting Diary nor nak shows ads.
Which is updated more often, Fasting Diary or nak?
Fasting Diary ships an update fortnightly, and nak every 2 days. Most recently, Fasting Diary was updated on October 15, 2026 and nak on October 24, 2026.

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