Comparison

Fast vs Fastual

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

Head to head
About

Fast

Features
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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 youβ€”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

Fastual

Read full description

Fastual - Your Fasting Ritual, Visualized See what's happening inside your body as you fast. Fastual tracks your metabolic phases in real time - from anabolic digestion through ketosis and autophagy - with a calm, organic interface designed for daily use. REAL-TIME METABOLIC PHASES Watch your body progress through 7 fasting stages: Anabolic β†’ Catabolic β†’ Fat Burning β†’ Ketosis β†’ Autophagy β†’ Deep Repair β†’ Extended. Each phase comes with a clear explanation of what's happening biologically, so you understand your fast - not just time it. ONE-TAP FASTING TIMER Start fasting instantly. Choose from popular protocols like 16:8, 18:6, 20:4 (Warrior), or OMAD (23:1). The expanding ring visualizes your progress without anxiety - no ticking clock, just calm momentum. STREAK & HISTORY TRACKING Build consistency with streak tracking. Review your complete fasting history, see your average fast duration, and watch your streaks grow over time. Every completed fast is logged automatically. WATER TRACKER Stay hydrated during your fast with a quick-add water logger. Customize your glass size, set reminders, and keep your hydration on track - all without leaving the timer screen. PRIVACY BY DESIGN Your biological data stays on your device. No account creation. No cloud sync. No tracking. Fastual works entirely offline - because your fasting journey is yours alone. DARK MODE FIRST The "Bioluminescent" interface is designed for late-night fasting checks and early-morning starts. Reduced eye strain, premium aesthetics, and a design that feels like a ritual - not a fitness app. FASTUAL IS FOR YOU IF: β€’ You want to understand your metabolic phases, not just count hours β€’ You value clean, calm design over feature-heavy fitness apps β€’ You prefer privacy and offline functionality over social features β€’ You're building a sustainable fasting habit through streaks and consistency Available in English and Albanian. MEDICAL DISCLAIMER Fastual is a wellness tracking utility designed for informational and educational purposes only. It is not a medical device and does not provide medical advice, diagnosis, or treatment. The metabolic phases described are general educational summaries of biological processes and should not be interpreted as personalized medical guidance. Intermittent fasting is not suitable for everyone, including pregnant or nursing women, individuals with a history of eating disorders, or those with certain medical conditions. Always consult a physician or healthcare professional before starting any fasting protocol.

Screenshots

Fast4 screens
Fastual4 screens

Verdict

The call

The clearest difference is in-app purchases: Fastual at none against Fast's 1. Fastual also leads on iOS requirement (15.1 vs 17.4). Fast's advantage is ads (none vs shown). On price and device support there is nothing between them.

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

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

Both are free to download. Fast sells 1 in-app purchase, starting at $0.99 per month. Fastual asks for nothing beyond the download.

Scorecard3 real differences Β· 3 level
Fast versus Fastual: the parameters behind the verdict, then further details
ParameterFastFastual
PriceFreeFree
Update frequencyβ€”Every 6 weeks
AdsNo β€” betterYes
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone, iPod β€” better
Requires iOS17.415.1 β€” better
Further details β€” not scored
Size45 MB52 MB
Age rating4+12+
DeveloperEngineZeroRedjon Prengzi

In-app purchases

1 purchases

Fast

Subscriptions1
  • Premium$0.991 Month
None

Fastual

No in-app purchases

Questions

Is Fast free?
Fast is free to download, with in-app purchases available.
Is Fastual free?
Fastual is free to download, with no in-app purchases.
Do Fast or Fastual have ads?
Fastual shows ads; Fast does not.

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