9toFast vs Fastinger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
9toFast
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9toFast is a clean and intuitive intermittent fasting app designed to help you stay consistent without pressure. Whether you’re fasting for better focus, energy, or health, 9toFast makes it easy to track your progress and feel in control. Stay on track effortlessly • Smart fasting timer: Start, pause, or end your fasts anytime and watch your fasting ring fill in real-time. • Custom fasting plans: Choose from popular plans like 16:8 or 18:6, or set your own window. • Progress dashboard: Visualise your streaks and completion rates at a glance. • Personalised themes: Match your app to your mood with sleek light and dark options. • Simple insights: See how your fasting habits evolve over time with easy-to-read stats. Why users love 9toFast • Minimal design that keeps fasting simple • No clutter, ads, or confusing features • Built for balance, not restriction Perfect for beginners and pros Whether you’re new to fasting or have been doing it for years, 9toFast adapts to your lifestyle. Track your fasts, stay consistent, and celebrate small wins daily. Coming soon • Weight tracking • Calorie Counting • Meal Logging • Health app integrations • Fasting challenges • Custom reminders and streak rewards Start your fasting journey today with 9toFast: the fasting tracker that’s simple, motivating, and built for real life.
Fastinger
This intermittent fasting tracker prioritizes user privacy with all data stored locally. It offers various fasting protocols, progress tracking, and educational content without ads or account requirements.
- 100% Private Data Storage
- Multiple Fasting Protocols
- Progress Tracking & Streaks
- Phase Education
- Live Activity & Widgets
- Health Sync
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EARLY ACCESS — Download now and unlock ALL premium features FREE forever. Our gift to early adopters. Fastinger is the intermittent fasting tracker that respects your privacy. No account. No data collection. No ads. Ever. Your fasting data stays on YOUR device. WHY FASTINGER? - 100% Private — Everything stored locally. No servers. No tracking. - Timer That Never Breaks — Close the app, force quit, your timer keeps running. - Actually Free — No paywalls blocking basic features. PROTOCOLS 16:8 | 18:6 | 20:4 | OMAD | 36-Hour Extended FEATURES Progress ring | Phase education | Calendar history | Streak tracking | Notifications | Mood logging | Live Activity | Widgets | Health sync | Achievements | Dark mode BUILT DIFFERENT Most fasting apps monetize your health data. Fastinger is built by fasters, for fasters. Your health data is yours alone. Download now. Start your timer. Keep your privacy.
Screenshots
Verdict
The clearest difference is in-app purchases: Fastinger at none against 9toFast's 3. Fastinger also leads on ads (none vs shown). 9toFast's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price 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. 9toFast sells 3 in-app purchases, starting at $0.99 per month. Fastinger asks for nothing beyond the download.
| Parameter | 9toFast | Fastinger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Fortnightly | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 47 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Esther Yekini | Alejandro Beracasa |
In-app purchases
9toFast
- Premium Monthly$0.991 Month
- Premium Yearly$9.991 Year
- Premium Lifetime$19.99
Fastinger
No in-app purchases









