Window vs Fasting Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Window
This app helps you adopt an intermittent fasting lifestyle with science-based guidance and personalized recommendations. Track your fasting and eating periods, monitor weight loss goals, and stay hydrated. Access expert insights and challenges to build healthier habits.
- Fasting timer
- Weight journal
- Water tracker
- Personalized fasting programs
- Meal plans
- Healthy challenges
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Take the step towards a healthier you with Window, your in-hand intermittent fasting companion. We use a science-based approach, guided by experts, and offer personalized recommendations suited to you and your lifestyle! Intermittent fasting is a popular eating pattern that can help you lose weight and feel healthier. Window will help you do it confidently – the right way. Track your fasting and eating, set weight loss goals and monitor them, track your water consumption, and get healthy insights from nutritionists. Window has everything you need (and more) to create a healthier lifestyle! ** What you will get as a FREE Window user ** • Fasting timer – Track your fasting and eating periods. • Timely reminders – Get notifications when your fasting windows close or open. • Weight journal – Set your weight goal, and monitor the progress. • Water tracker – Control your hydration level. • Healthy blog – Learn from leading nutritionists, and get insights on health, eating, and body – and how they all relate. • Syncs with your Apple Watch. • Syncs with Apple Health. ** Join Window PREMIUM to access: ** • Personalized fasting program. • All intermittent fasting plans – Switch between fasting plans to meet your current needs. • Your individual meal plan – Get nutritionists’ recommendations of what to eat for breakfast, lunch, and dinner. • Personal statistics – Track your own statistics like weight, water intake, and more. • Healthy challenges – Build new habits, like consuming less sugar, with small tasks. • Nutrition and mood tracker – Understand how fasting influences your body and mind. Whether you want to improve your eating habits or lose a little weight, we will help you stay on track and provide all of the support and guidance you may need. * SUBSCRIPTION INFORMATION Subscription payments will be charged to your App Store account at confirmation of your purchase. Subscriptions will automatically renew and you will be charged unless auto-renew is turned off or unless you cancel at least 24 hours prior to the end of the current subscription or trial period. Any unused portion of a free trial period will be forfeited when you purchase a premium subscription during the free trial period. The cost of renewal depends on the Subscription Plan you choose. Subscriptions and auto-renewal may be managed by going to Account Settings after purchase or by contacting Customer Support. Window is intended to be a tool to track intermittent fasting and is not a medical or healthcare service. The content within Window is for informational purposes only. You should consult with a medical professional before starting intermittent fasting or any other weight loss program, especially if you are pregnant or suffer from a medical condition. Happy tracking! Icons powered by icons8.com ThrivePort, LLC is a part of the Apalon family of brands. See more at Apalon.com. By using Window you agree to our Terms of Service and Privacy Policy. Privacy Policy: http://www.thriveport.com/privacypolicy/ EULA: http://www.thriveport.com/eula/ AdChoices: http://www.thriveport.com/privacypolicy/#4 California Privacy Notice: http://www.thriveport.com/privacypolicy/index.html#h
Fasting Clock
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Simple Fasting Clock is a clean, easy intermittent fasting timer that helps you stay consistent—without complicated setup. Start your fast, watch the progress ring, and see exactly how much time is left. During your fast, you’ll also get simple fasting phase insights (Fed → Fat Burning → Deep Ketosis) to stay motivated. FEATURES • One-tap fasting timer with auto-complete • Presets: 16:8, 18:6, 20:4 (Warrior), 23:1 (OMAD) • Custom fasting duration from 1 to 72 hours • Live progress ring with time left and percentage • Fasting phase guide with clear explanations • History log for every fast (completed or ended early) • Stats: completed fasts, total hours fasted, average duration, and day streak • Achievements to celebrate milestones • Daily quote + daily tip for motivation • Designed for iPhone and iPad • No account required DISCLAIMER This app is for informational purposes only and is not medical advice. If you have a medical condition, are pregnant, or are under 18, consult a healthcare professional before fasting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Window at none against Fasting Clock's shown. Window also leads on update cadence (monthly vs every 5 months). On price, in-app purchases, device support 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
Both are free to download. Window sells 16 in-app purchases, starting at $0.49 per year and Fasting Clock sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Window ships an update monthly, Fasting Clock every 5 months. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.
| Parameter | Window | Fasting Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11K ratings) — better | — |
| Positive reviews | 22.0% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 131 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Mosaic S.r.l. | Afriwan Ahda |
Bugs and requests
Window
Reported bugs
5 issues- Fasting times not accurately recorded
- Data loss and reset issues
- Subscription management problems
- Frequent app crashes and freezes
- Notifications not working as expected
Requested features
5 requests- Ability to edit fasting/eating times
- Integration with fitness trackers
- More detailed data analysis and reporting
- Customizable fasting plans and reminders
- Better support for longer fasting periods
Fasting Clock
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Window
- Window Premium (1 Year)1 Year trial$0.491 Year
- Window Pro Weekly$4.997 Days
- Window Pro Weekly7 Days trial$4.997 Days
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- Window Premium (1 Year)$11.991 Year
- Window Premium (1 Month)$14.991 Month
- Window Premium (3 Months)3 variants$19.993 Months
- Window Premium (1 Year)$24.991 Year
- Window Premium (1 Year)7 Days trial$39.991 Year
- Window Premium (1 Year)7 Days trial$49.991 Year
- Window Premium (1 Year)14 Days trial$49.991 Year
- Window Premium (1 Year)7 Days trial$54.991 Year
- Window Premium (1 Year)2 variants$59.991 Year
- Window Premium (1 Year)$69.991 Year
- Window Premium (1 Year)$79.991 Year
- Window Premium (1 Year)7 Days trial$89.991 Year
- Window Premium (1 Year)7 Days trial$99.991 Year
Fasting Clock
- Weekly Premium Access$0.997 Days
- Monthly Premium Access$2.991 Month
- Yearly Premium Access$17.991 Year
Questions
Is Window free?
Is Fasting Clock free?
Do Window or Fasting Clock have ads?
Which is updated more often, Window or Fasting Clock?
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