Comparison

Fast vs FastingKit

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

Head to head
About

Fast

Features
Read full description

Start intermittent fasting today with Fast-E - a beautifully designed fasting timer that puts your privacy first. Every feature is completely free. No subscriptions, no ads, no account required. SIMPLE FASTING TIMER Choose from popular preset schedules - 16:8, 18:6, 20:4, or OMAD - or create your own custom fasting window. Start your fast with a single tap. A beautiful animated ring shows your progress in real time, counting down to your eating window. CUSTOM SCHEDULES Create personalized fasting schedules with any fasting-to-eating ratio. Whether you prefer 14:10, 12:12, or any other split, Fast-E adapts to your routine. TRACK YOUR PROGRESS View detailed statistics including total fasts completed, average duration, completion rate, and weekly activity. Interactive charts help you spot trends and stay motivated. BUILD YOUR STREAK Keep your momentum going with streak tracking. See how many consecutive days you've completed your fasting goal and push yourself to keep the chain going. FULL FASTING HISTORY Every fast is recorded and stored on your device. Browse your complete history, see which sessions you completed, and track your journey over time. HOME SCREEN WIDGETS Add Fast-E widgets to your home screen to see your fasting progress at a glance without opening the app. SMART NOTIFICATIONS Get reminders when your fasting window starts, when it's time to eat, and when you're halfway through. Customize notification timing to match your routine. YOUR PRIVACY MATTERS All your data stays on your device. No account creation, no cloud sync, no data collection, no analytics tracking. Fast-E works entirely offline. 100% FREE Every feature in Fast-E is available at no cost. No premium tier, no feature gates, no in-app purchases. Just download and start fasting.

About

FastingKit

Features
Read full description

Intermittent fasting has never been easier. Choose from plans like 12:12, 16:8, 18:6 and more, paired with weight logging, fasting reminders and Apple Watch to help you manage your health goals with ease. Start your fasting plan today! A simple, easy-to-use intermittent fasting tracker! Want to improve your health and reach your weight-loss goals through intermittent fasting? FastingKit is your best fasting companion, helping you manage every fast with ease. Key Features • Clean Design: A clutter-free interface keeps you focused on fasting itself. • Flexible Timer: Set your fasting window with one tap. Supports popular plans like 12:12, 16:8, 18:6, or customize a schedule that fits your rhythm. • Progress Tracking: Monitor your fasting progress with intuitive charts. Track fasting duration and weight changes to clearly see every step of change in your body. • Custom Reminders: Never miss a fasting window or eating time again! Set personalized reminders to keep your rhythm. • Fasting Log: Fully save your fasting history and look back on your growth. Every milestone is worth celebrating. • Health Knowledge: Learn about the benefits of intermittent fasting for weight loss, metabolism and overall health, and get valuable health information. • Live Activities: Supports the latest Live Activities feature — check your fasting status right from the Dynamic Island! • Widgets: Glance at your current fasting progress right from the Home Screen, and quickly start or end a fast. • Apple Watch: A beautiful watch app lets you start or end a fast and log fasting right from your wrist. Join the millions of people improving their health through intermittent fasting. Whether you're a beginner or a seasoned faster, FastingKit is the tool that helps you succeed. Benefits of Fasting Intermittent fasting has grown popular for its potential health benefits. Here are some of the main benefits: • Weight Loss: Intermittent fasting creates a calorie deficit, helping reduce calorie intake and promote weight loss. • Better Metabolism: Fasting can improve insulin sensitivity, help regulate blood sugar levels and boost metabolism. • Cellular Repair: During fasting, the body triggers autophagy, clearing out damaged components and promoting cellular renewal. • Heart Health: Intermittent fasting helps improve several cardiovascular risk markers, including lowering blood pressure, reducing triglycerides and improving cholesterol levels. • Brain Health: Studies suggest intermittent fasting may support brain health and cognitive function, and may even protect against neurodegenerative diseases like Alzheimer's. • Reduced Inflammation: Fasting can ease inflammatory responses in the body, and chronic inflammation is linked to arthritis, some cancers and various other conditions. Please note that intermittent fasting is not for everyone. If you have an underlying condition, are pregnant or taking medication, consult a healthcare professional before starting. A balanced diet and healthy lifestyle are what maximize the benefits of fasting. Privacy Policy: https://jusuoli.github.io/FastingKit-support/privacy-policy_en.html Terms of Use (EULA): https://jusuoli.github.io/FastingKit-support/terms_en.html

Screenshots

Fast4 screens
FastingKit4 screens

Verdict

The call

The clearest difference is in-app purchases: Fast at none against FastingKit's 3. FastingKit's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement 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. FastingKit sells 3 in-app purchases, starting at $0.99 per month. Fast asks for nothing beyond the download.

UpkeepUpdate frequency

Fast ships an update every 2 days, FastingKit every 3 days. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 4 level
Fast versus FastingKit: the parameters behind the verdict, then further details
ParameterFastFastingKit
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 3 days
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, Mac, Apple Watch — better
Requires iOS17.017.0
Further details — not scored
Size6 MB19 MB
Age rating4+4+
DeveloperInvotek AS锁利 俱

In-app purchases

None

Fast

No in-app purchases

3 purchases

FastingKit

Subscriptions2
  • FastingKit Pro(Monthly)$0.991 Month
  • FastingKit Pro(Yearly)$7.991 Year
One-time1
  • FastingKit Pro(Lifetime)$19.99

Questions

Is Fast free?
Fast is free to download, with no in-app purchases.
Is FastingKit free?
FastingKit is free to download, with in-app purchases available.
Do Fast or FastingKit have ads?
Neither Fast nor FastingKit shows ads.
Which is updated more often, Fast or FastingKit?
Fast ships an update every 2 days, and FastingKit every 3 days. Most recently, Fast was updated on October 1, 2026 and FastingKit on October 16, 2026.

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