Comparison

Waterfaster vs xHours

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

Head to head
About

Waterfaster

Track intermittent and water fasts with live countdowns on your Lock Screen and widgets. Monitor your body's progress and connect with friends anonymously for support and challenges. Offers various fasting protocols and integrates with Apple Health.

Highlights
  • Live Lock Screen and widget countdowns
  • Anonymous social fasting with friends
  • Support for various fasting protocols
  • Apple Health integration
  • Hydration and electrolyte guidance
  • Progress tracking and insights
Features
Read full description

Water fasting and intermittent fasting, made clear — and no longer something you do alone. Start a fast with one tap and watch the live countdown on your Lock Screen, in the Dynamic Island and on your Home Screen widget. Follow what your body is doing hour by hour — fat burning, ketosis, cellular regeneration — based on published research. FAST TOGETHER — ANONYMOUS BY DESIGN • Live: see how many people are fasting with you right now • Your Circle: add friends with a simple code, follow their fast live, send boosts and friendly nudges • Groups & challenges: chase one goal together — from a 16:8 streak to a 7-day reset • No profiles, no photos, no feed of strangers. You appear under a generated water name unless you choose otherwise. YOU DECIDE WHO SEES YOU Share everything, hide from one specific friend, or go invisible completely. One tap, any time. NEVER LOSE YOUR PROGRESS Link Apple or Google and restore your history, stats and circle on any device. PICK YOUR PROTOCOL • Intermittent: 12:12, 14:10, 16:8, 18:6, 20:4 and OMAD • Water fasting: 24h, 36h, 48h, 72h, 4, 5 and 7 days • Flex: set or move your finish time while the fast is running ALSO INSIDE • Live Activity, Lock Screen and Home Screen widgets • Apple Health: steps, sleep, heart rate, weight and water • Hydration and electrolyte guidance during longer fasts • Streaks, trends and your full weight history • Personal insights and reminders you stay in control of Waterfaster is not medical advice. Talk to your doctor before longer fasts, and never fast on medication without medical guidance. — Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://waterfaster.app/terms Privacy Policy: https://waterfaster.app/privacy

About

xHours

Features
Read full description

Turn intermittent fasting into a simple, visual habit. No more "can I eat yet?" A 24-hour ring shows where you are in your day, how long you've fasted, and when your eating window opens — so you can stop watching the clock and just live. Life isn't rigid, and neither is xHours. Ate early? Pushed your fast longer? Switch phase with a tap. Need a day off? Pause without breaking your stats. Set your schedule once and the app carries it, day after day. And it's yours. No account. No ads. No subscription. Nothing leaves your phone. Even Apple Watch is included — free. TRY EVERY PREMIUM FEATURE FREE FOR 7 DAYS Statistics, Live Activity, custom alarms, the fasting guide, weekly programs, metabolic phases and full personalization — all unlocked from day one. No card required. When the trial ends, the core app stays free, forever. WHY YOU'LL LIKE IT - Set it and forget the timer — pick a schedule and start time, xHours handles the phases automatically - Your whole day at a glance — a visual 24-hour ring with clear fasting and eating colors - Fasting that bends to your life — 12:12, 14:10, 16:8, 18:6, 20:4, OMAD or any custom plan - Change your mind anytime — switch phase with a tap, or pause on non-fasting days without disrupting your stats - On your wrist, free — full Apple Watch sync at no extra cost - Always in view — Home Screen widget keeps your timer one look away - Truly private — no account, no ads, nothing collected; everything stays on your device - Speaks your language — 22 languages PREMIUM Unlock with the 7-day trial or a one-time purchase: - Weekly programs — a different plan for each day, with its own schedule and rest days - Metabolic phases — follow your fasting phases on the ring (fed state, ketosis, autophagy). General estimates, not medical advice - Lock Screen widgets — your fast in view the moment you pick up your phone - Live Activity — your timer in the Dynamic Island and on the Lock Screen, no need to open the app - Statistics & history — streaks, averages and charts to watch your progress grow - Custom alarms — your own sounds for the end of a fast and the start of a new cycle - Fasting guide — the pros and cons of each schedule (16:8, 18:6, OMAD…) - Full personalization — recolor the ring, rename phases, save your presets PRICING - One-time purchase: unlock Premium forever - No subscription, no renewals - 7-day free trial included IMPORTANT xHours is a support tool and is not a substitute for medical advice. Talk to a healthcare professional before starting any fasting routine — especially if you are pregnant, breastfeeding, taking medication, or have a medical condition or a history of eating disorders. Terms of Service: https://smallappstudio.com/xHours/terms.html Privacy: https://smallappstudio.com/xHours/privacy.html Contact: support@smallappstudio.com

Screenshots

Waterfaster4 screens
xHours4 screens

Verdict

The call

The clearest difference is iOS requirement: Waterfaster at 16.4 against xHours's 18.0. On price, update cadence, ads and in-app purchases 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. Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days and xHours sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Waterfaster ships an update every 11 days, xHours every 9 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 8 level
Waterfaster versus xHours: the parameters behind the verdict, then further details
ParameterWaterfasterxHours
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 11 daysEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS16.4 — better18.0
Further details — not scored
Size59 MB9 MB
Age rating17+4+
DeveloperAMIT SolutionsNicola Radaelli

In-app purchases

3 purchases

Waterfaster

Subscriptions2
  • Waterfaster+$3.997 Days
  • Waterfaster+7 Days trial$44.991 Year
One-time1
  • Lifetime$89.99
2 purchases

xHours

Subscriptions2
  • xHours Premium Monthly$2.991 Month
  • xHours Premium Yearly$19.991 Year

Questions

Is Waterfaster free?
Waterfaster is free to download, with in-app purchases available.
Is xHours free?
xHours is free to download, with in-app purchases available.
Do Waterfaster or xHours have ads?
Neither Waterfaster nor xHours shows ads.
Which is updated more often, Waterfaster or xHours?
Waterfaster ships an update every 11 days, and xHours every 9 days. Most recently, Waterfaster was updated on October 23, 2026 and xHours on October 24, 2026.

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