Comparison

FastBreak vs Waterfaster

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

Head to head
About

FastBreak

Features
Read full description

FastBreak is the fasting timer that respects your wallet. No subscription. No account. Pay once, own forever. SIMPLE & POWERFUL TIMER Start your fast with one tap. Track your progress with a beautiful animated ring showing elapsed time, target duration, and real-time fasting zones. Choose from 8 protocols: 14:10, 16:8, 18:6, 20:4, OMAD, 36h, 48h, or create your own custom schedule. REAL-TIME FASTING ZONES Watch your body's metabolic state change in real-time through 4 scientifically-based zones: Fed, Fat Burning (12h), Ketosis (18h), and Deep Ketosis (24h). Haptic feedback lets you know when you enter a new zone. COMPLETE HISTORY & STATS Review all your past fasts with detailed metrics. Track your streaks, completion rate, total fasting hours, and see your daily distribution patterns. Unlock 15 achievements as you build your fasting habit. APPLE ECOSYSTEM - Live Activity & Dynamic Island — see your fast without opening the app - Apple Watch app with 4 complications - Home Screen widgets (small & medium) + Lock Screen widgets - HealthKit sync — read & write weight, log fasting sessions - iCloud sync across all your devices WEIGHT TRACKING Log your weight with a dedicated chart showing trends over 7 days, 30 days, 90 days, or a full year. Switch between kg and lbs anytime. SWITCH FROM ZERO Already using Zero? Import all your fasting history with one tap. Keep your data, ditch the subscription. 4 BEAUTIFUL THEMES Midnight, Ocean, Forest, and Minimal. Dark mode and light mode adapt automatically. FREE FEATURES - Full fasting timer with all 8 protocols - Real-time fasting zones - Last 7 sessions history - Basic stats overview - Midnight & Minimal themes (dark & light) - Apple Watch app & complications - End-of-fast notifications PRO — ONE-TIME PURCHASE ($4.99) - Unlimited history + calendar view - Detailed stats & 15 badges - Ocean & Forest premium themes - Live Activity & Dynamic Island - Home Screen & Lock Screen widgets - HealthKit sync - Weight tracking with charts - Recurring reminders - Import from Zero & CSV export No subscription. No account. Your data stays on your device.

About

Waterfaster

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

Screenshots

FastBreak4 screens
Waterfaster4 screens

Verdict

The call

The clearest difference is update cadence: Waterfaster at every 11 days against FastBreak's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. FastBreak sells 1 one-off in-app purchase and Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

FastBreak ships an update every 4 months, Waterfaster every 11 days. Both last shipped on October 5, 2026.

Scorecard1 real difference Ā· 5 level
FastBreak versus Waterfaster: the parameters behind the verdict, then further details
ParameterFastBreakWaterfaster
PriceFreeFree
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size6 MB59 MB
Age rating4+17+
DeveloperAlex MasureAMIT Solutions

In-app purchases

1 purchases

FastBreak

One-time1
  • FastBreak Pro$4.99
3 purchases

Waterfaster

Subscriptions2
  • Waterfaster+3 Days trial$3.997 Days
  • Waterfaster+$44.991 Year
One-time1
  • Lifetime$89.99

Questions

Is FastBreak free?
FastBreak is free to download, with in-app purchases available.
Is Waterfaster free?
Waterfaster is free to download, with in-app purchases available.
Do FastBreak or Waterfaster have ads?
Neither FastBreak nor Waterfaster shows ads.
Which is updated more often, FastBreak or Waterfaster?
FastBreak ships an update every 4 months, and Waterfaster every 11 days. Most recently, FastBreak was updated on October 5, 2026 and Waterfaster on October 5, 2026.

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