Comparison

Just Fasting 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

Just Fasting

Features
Read full description

ust Fasting is built to stay out of your way. Open the app and start fasting—no clutter, no noise. Start fasts your way • 16-hour fast — one tap, last meal is now (adjust if you need to). • Custom fast — pick hours (1–72) or longer fasts in days (4+), with no upper limit on days in the picker. • Last meal time defaults to now but you can change it if you finished eating earlier. Stay oriented A large countdown and an arc show how far you’ve come through your fast. When you hit your goal, wrap up with a tap. See your progress Statistics include total fasts, total time fasted, average length, longest fast, current streak, and best streak. The app remembers your last fast length so starting the same routine again is quick.

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

Just Fasting3 screens
Water Fasting3 screens

Verdict

The call

The clearest difference is in-app purchases: Just Fasting at none against Water Fasting's 2. Just Fasting also leads on update cadence (every 2 days vs every 3 weeks). Water Fasting's advantage is iOS requirement (18.0 vs 26.4). On price, 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. Just Fasting asks for nothing beyond the download.

UpkeepUpdate frequency

Just Fasting ships an update every 2 days, Water Fasting every 3 weeks. The most recent releases landed on September 18, 2026 and August 31, 2026 respectively.

Scorecard3 real differences · 6 level
Just Fasting versus Water Fasting: the parameters behind the verdict, then further details
ParameterJust FastingWater Fasting
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 2 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.418.0 — better
Further details — not scored
Size2 MB19 MB
Age rating4+12+
DeveloperMatthew ClarkSUKRU DEMIR

In-app purchases

None

Just Fasting

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 Just Fasting free?
Just Fasting is free to download, with no in-app purchases.
Is Water Fasting free?
Water Fasting is free to download, with in-app purchases available.
Do Just Fasting or Water Fasting have ads?
Neither Just Fasting nor Water Fasting shows ads.
Which is updated more often, Just Fasting or Water Fasting?
Just Fasting ships an update every 2 days, and Water Fasting every 3 weeks. Most recently, Just Fasting was updated on September 18, 2026 and Water Fasting on August 31, 2026.

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