Comparison

Fast vs WaveFast

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

Head to head
About

Fast

Features
Read full description

The simplest way to track your fasting journey. Start, track, and complete your fasts with a beautiful, intuitive interface. Whether you're new to intermittent fasting or maintaining a daily routine, Fast keeps you on track without the complexity. Effortless Tracking, begin your fast with one tap. Watch your progress in real-time as you move through fasting stages, from the initial hours to deep ketosis. Clear visual indicators keep you motivated every step of the way. Your Schedule, Your Way. Choose popular protocols like 16:8, 18:6, or 20:4, or create a custom fasting window that fits your lifestyle. Fast adapts to you—flexible and always in your control. Stay Motivated, review your fasting history, track your streaks, and celebrate milestones. Build a sustainable practice and see the results of your commitment over time. Beautifully Simple, no cluttered screens. No overwhelming data. Just the information you need, presented elegantly. Download Fast and start your transformation today. Privacy Policy - https://enginezero.tech/app-privacy-policy/ Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

WaveFast

Track your intermittent fasting with a visually engaging and user-friendly interface. This app offers a one-time purchase, no subscriptions, and prioritizes user privacy by storing all data locally. Stay motivated with fluid animations and smart notifications.

Highlights
  • Mesmerizing fluid wave animation
  • Dynamic Island & Live Activities integration
  • History and streak tracking
  • Customizable water themes
  • Body status insights
  • Smart notifications
  • Privacy-focused local data storage
Read full description

Reach your intermittent fasting goals with WaveFast, the most visually stunning and intuitive fasting tracker on the App Store. Say goodbye to bloated apps and expensive monthly subscriptions. WaveFast is built for one thing: tracking your fast with an elegant, fluid interface that makes reaching your goals satisfying and stress-free. Pay once, use forever. No accounts, no data tracking, no subscriptions. CORE FEATURES: 1、Mesmerizing Fluid Animation: Watch your progress rise like water. The calming wave animation reduces anxiety and keeps you motivated. 2、Dynamic Island & Live Activities: Never open the app just to check the time. Keep your fast visible on your Lock Screen and Dynamic Island. 3、History & Streak Tracking: Never lose your progress. WaveFast automatically saves your completed fasts so you can track your journey, view your longest fast, and build your streaks. 4、Custom Water Themes: Personalize your experience with stunning premium colors like Sakura Pink, Aurora Green, and Midnight Purple. 5、Body Status Insights: Know exactly what's happening inside your body—from fat burning to autophagy—based on real-time scientific milestones. 6、Smart Notifications: Get instantly notified when you reach the fat-burning zone and when your goal is achieved. 7、Privacy First: All your data stays locally on your device. We respect your privacy. Available fasting plans include 12h, 14h, 16h, 18h, and 20h. Whether you are a beginner or a seasoned faster doing OMAD, WaveFast is your perfect companion. Start your health journey today, beautifully. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Fast4 screens
WaveFast4 screens

Verdict

The call

Fast and WaveFast are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Fast sells 1 in-app purchase, starting at $0.99 per month and WaveFast sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Fast versus WaveFast: the parameters behind the verdict, then further details
ParameterFastWaveFast
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequency—Every 3 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhoneiPhone
Requires iOS17.4 — better17.6
Further details — not scored
Size45 MB20 MB
Age rating4+9+
DeveloperEngineZero瑞华 张

In-app purchases

1 purchases

Fast

Subscriptions1
  • Premium$0.991 Month
1 purchases

WaveFast

One-time1
  • WaveFast Pro$5.99

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is WaveFast free?
WaveFast is free to download, with in-app purchases available.
Do Fast or WaveFast have ads?
Neither Fast nor WaveFast shows ads.

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