Just Fast vs StepToFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Just Fast
This app tracks both your fasting periods and your eating windows, offering a unique dual-countdown feature. It visualizes metabolic phases like fat burning and ketosis, supports various fasting methods, and provides insights into your progress. It's designed to be user-friendly and privacy-conscious, working entirely offline.
- Eating window countdown
- Fasting phases visualization
- Support for multiple fasting methods
- Streak tracking with grace periods
- Pattern insights
- Weight and BMI tracking
- Smart notifications
- 100% offline functionality
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Just Fast is the intermittent fasting timer that tracks both your fast and your eating window — a combination no other fasting app offers. Whether you're new to 16:8 or pushing into 20:4, OMAD, or custom schedules, Just Fast gives you a clear, distraction-free timer alongside the insights to understand what your body is doing and build habits that stick. EATING WINDOW COUNTDOWN — ONLY IN JUST FAST Most fasting apps tell you when your fast ends. Just Fast also tells you when your eating window closes. Know exactly how much time you have left to eat, so you stop overrunning your window by accident. KEY FEATURES • Eating Window Countdown — track when your eating window closes, not just when your fast ends • Fasting Phases — see fat burning, ketosis, and autophagy stages visualized in real time • All Major Fasting Methods — 16:8, 18:6, 20:4, OMAD, 14:10, 12:12, 24h, and custom durations • Streak Tracking with Grace Periods — maintain your momentum even on tough days • Pattern Insights — review your fasting history and discover your most consistent windows • Weight Tracking with BMI — log weight entries and track progress over time • Smart Notifications — reminders that support your schedule, not disrupt it • Beginner-Friendly Onboarding — choose your goal, fasting expertise, and preferred schedule in minutes • 100% Offline — no account, no signup, no cloud required • 15 Languages — English, German, French, Spanish, Polish, Portuguese, Italian, Japanese, Korean, Arabic, Russian, Swedish, Finnish, Norwegian, Turkish UNDERSTAND YOUR FAST, NOT JUST YOUR TIMER Just Fast visualizes the metabolic phases of fasting as they happen: fat burning begins around hour 12, ketosis deepens past hour 18, autophagy activates beyond hour 24. You do not need a biology degree — the app shows you where you are and what your body is doing. FREE AND LIGHTWEIGHT All core features are free. No subscription. No paywall. Just Fast is also one of the lightest full-featured fasting apps available — under 50MB download, compared to 200MB+ for most competitors. Fast to download, fast to start. Note: The app is free with light banner ads on secondary screens (history, settings). The main fasting timer screen is completely ad-free. PERFECT FOR • Beginners starting their first 16:8 protocol • Intermediate fasters exploring 18:6, 20:4, or OMAD • Anyone who wants fasting phases explained without complexity • People managing multiple fasting schedules across 15 languages • Privacy-conscious users who prefer no-account apps Download Just Fast and start your first fast today — no signup required. --- Privacy Policy: https://justfast.app/privacy Support: support@justfast.app
StepToFit
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StepToFit turns your daily steps into a fun, social experience. Sync with Apple HealthKit to track steps, calories, distance, and active minutes — all displayed in a beautiful glassmorphic dark-mode interface. KEY FEATURES • Daily Step Tracking — Animated circular progress ring showing real-time steps vs. your goal, plus quick stats for calories, distance, and active minutes. • Weekly, Monthly & Yearly Stats — Bar and line charts with summary cards and best-day highlights to visualise your progress over time. • Streak Tracking — Build consecutive-day streaks, see your longest streak, get at-risk warnings after 8 PM, and view a 7-day calendar heatmap. • Blitz Events — Join timed step challenges with a real-time leaderboard. Race against other users and climb the ranks before time runs out. • Viral Challenges — Create or join step challenges, invite friends via QR code or deep link, and compete head-to-head. • Friends & Leaderboard — Follow friends, scan QR codes, and see where you rank on the social leaderboard. • FIT Certificate — Generate a shareable PDF certificate of your yearly step achievements, complete with a unique verification ID. • Customisable Goals — Set personal daily targets for steps, calories, distance, and active minutes. • Light, Dark & Auto Theme — A fully themed UI that follows your system appearance or your manual preference. StepToFit reads data from Apple HealthKit. No GPS or location tracking is used. A physical device is required — HealthKit data is not available on simulators. Sign in with your Google account to unlock social features including challenges, leaderboards, and friend connections. Your data stays private and is never shared with advertisers or third parties. Start stepping. Stay motivated. Get StepToFit.
Screenshots
Verdict
The clearest difference is ads: StepToFit at none against Just Fast's shown. Just Fast's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Just Fast | StepToFit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 47 MB | 68 MB |
| Age rating | 17+ | 12+ |
| Developer | Adrian Cabala | Mayur Kakade |
In-app purchases
Just Fast
No in-app purchases
StepToFit
No in-app purchases
Questions
Is Just Fast free?
Is StepToFit free?
Do Just Fast or StepToFit have ads?
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