Comparison

Fasting Timer by TrainerDay vs Water Fasting

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

Head to head
About

Fasting Timer by TrainerDay

This app simplifies intermittent fasting with a one-tap start and customizable durations. Track your progress visually and review your fasting history. It's designed for easy habit building without complex features.

Highlights
  • One-tap fast start
  • Customizable fasting durations
  • Flexible start times
  • Visual progress tracking
  • Fasting history
  • Shareable results
Features
Read full description

Fasting Timer is a simple, no-fuss intermittent fasting tracker designed to help you build healthy fasting habits. It's the ultimate app for ADF fasters. Each day when you start your fast. It's just one click, even when you forget to start it at your normal fasting time. Features: • One-tap start - Begin your fast instantly • Customizable durations - Set your preferred fasting window (12, 14, 16, 18, 20+ hours) • Flexible start times - Start now or schedule for later • Visual progress - See your fasting progress at a glance • History tracking - Review your completed fasts • Share your achievements - Export and share your fasting results Whether you're doing 16:8, 18:6, or any other intermittent fasting schedule, this app makes it easy to track your fasting windows without complicated setup or unnecessary features. Free and simple. Start fasting today.

About

Water Fasting

Track your fasting journey with a visually engaging water orb timer. Understand your body's stages, log hydration, and gain personalized wellness insights. Offers science-backed information and a premium minimalist design.

Highlights
  • Living water orb timer with gyroscope physics
  • Six science-backed fasting stages
  • Hydration and wellness logging
  • Personalized wellness insights
  • Premium minimalist design
  • Data export
Features
Read full description

Watch a living water orb fill as you fast. Real gyroscope physics make it slosh when you tilt your phone. Track six science backed fasting stages, log hydration, and understand what your body is doing during every hour of your fast. A Living Water Orb Timer A stunning glass orb fills with water as you fast. Real time gyroscope physics make the water slosh when you tilt your phone. Rising bubbles and fluid motion make your fast feel tangible and alive. Six Science Backed Fasting Stages From Fed State to Deep Ketosis, understand what happens in your body at every phase. All content is peer reviewed and source cited. No blogs, no hype, just science. Smart Wellness Tracking Log your water intake, check in on your energy, mood, and focus. Get personalized wellness insights that connect your hydration with how you feel. The app recommends when to drink water, rest, or adjust based on your check in scores. Beautiful Premium Design Deep ocean inspired dark theme with Apple style glass UI elements. Every screen is crafted with premium minimalism, clean typography, fluid animations, and thoughtful interactions. Free Features Basic fasting timer with water orb Water logging with 250 ml quick add Fed State information 16 to 8 and 24 hour fasting routines Pro Features Seven day free trial for all Pro features, then 59.99 USD per year Monthly option available at 9.99 USD per month All six fasting stages explained Full water tracking with custom goals Wellness check in and smart insights All routines including 36 hour, 48 hour, and 72 hour fasts Adjust start and end time Pause and resume fasting Peer reviewed educational library Safe refeeding protocols Smart notifications and reminders Export your data Your Privacy Matters Your fasting data, water logs, mood scores, and journal entries stay on your device. We never transmit health data. Anonymous opt out usage analytics, limited to event names only and without health values, help us improve the app. Sign in with Apple is optional. Local first by design. Medical Disclaimer This app is for general wellness and educational purposes only. Always consult a healthcare professional before fasting. Start your mindful fasting journey today.

Screenshots

Fasting Timer by TrainerDay4 screens
Water Fasting3 screens

Verdict

The call

The clearest difference is in-app purchases: Fasting Timer by TrainerDay at none against Water Fasting's 2. Fasting Timer by TrainerDay also leads on ratings volume (12 vs 2) and iOS requirement (15.1 vs 18.0). On price, rating, ads 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. Water Fasting sells 2 in-app purchases, starting at $9.99 per month. Fasting Timer by TrainerDay asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Fasting Timer by TrainerDay against 5.0 for Water Fasting. That said, the two scores are not equally well evidenced: Fasting Timer by TrainerDay has 12 ratings behind it against 2, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Fasting Timer by TrainerDay versus Water Fasting: the parameters behind the verdict, then further details
ParameterFasting Timer by TrainerDayWater Fasting
PriceFreeFree
Rating5.0 (12 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better2
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.0
Further details — not scored
Size30 MB19 MB
Age rating17+12+
DeveloperTrainerDay IncSUKRU DEMIR

In-app purchases

None

Fasting Timer by TrainerDay

No in-app purchases

2 purchases

Water Fasting

Subscriptions2
  • Water Fasting Pro$9.991 Month
  • Water Fasting Pro1 Year trial$59.991 Year

Questions

Is Fasting Timer by TrainerDay free?
Fasting Timer by TrainerDay is free to download, with no in-app purchases.
Is Water Fasting free?
Water Fasting is free to download, with in-app purchases available.
Which has better reviews, Fasting Timer by TrainerDay or Water Fasting?
Fasting Timer by TrainerDay and Water Fasting are both rated 5.0 out of 5 on the App Store, from 12 and 2 ratings respectively.
Do Fasting Timer by TrainerDay or Water Fasting have ads?
Neither Fasting Timer by TrainerDay nor Water Fasting shows ads.

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