Comparison

WaveFast vs Habit Builder

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

Head to head
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/

About

Habit Builder

Features
Read full description

Habit Builder – Ganbaru! helps you keep the habits that matter, one check-in at a time. FEATURES • Create habits with icons, categories, schedules and reminders • One-tap check-ins and daily score • Streaks, history and weekly reports with charts • A companion that earns XP, levels up and unlocks new forms and badges • Habit plans and encouragement generated on your device with Apple’s on-device AI (where available) • Widgets, Live Activities, Shortcuts and an Apple Watch app • Optional iCloud sync to your own private iCloud • Export your data as JSON at any time PRIVACY No account, no ads, no analytics, no tracking. Available in English, German and Persian (Farsi), plus many more languages.

Screenshots

WaveFast4 screens
Habit Builder4 screens

Verdict

The call

The clearest difference is price: WaveFast at Free against Habit Builder's $2.99. Habit Builder's advantage is in-app purchases (none vs 1) and update cadence (every 2 days vs every 3 weeks). On ads and iOS requirement 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

WaveFast is free to download; Habit Builder costs $2.99 up front. WaveFast sells 1 one-off in-app purchase. Habit Builder asks for nothing beyond the download.

UpkeepUpdate frequency

WaveFast ships an update every 3 weeks, Habit Builder every 2 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
WaveFast versus Habit Builder: the parameters behind the verdict, then further details
ParameterWaveFastHabit Builder
PriceFree — better$2.99
Rating5.0 (2 ratings) — better—
Positive reviews—100.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS17.617.0 — better
Further details — not scored
Size20 MB21 MB
Age rating9+4+
Developer瑞华 张Abolfazl Rejali

Customer experience

WaveFast

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Habit Builder

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

WaveFast

One-time1
  • WaveFast Pro$5.99
None

Habit Builder

No in-app purchases

Questions

Is WaveFast free?
WaveFast is free to download, with in-app purchases available.
Is Habit Builder free?
Habit Builder costs $2.99, with no in-app purchases.
Do WaveFast or Habit Builder have ads?
Neither WaveFast nor Habit Builder shows ads.
Which is updated more often, WaveFast or Habit Builder?
WaveFast ships an update every 3 weeks, and Habit Builder every 2 days. Most recently, WaveFast was updated on October 24, 2026 and Habit Builder on October 24, 2026.

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