Fasting Tracker App vs Fastly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting Tracker App
This app helps you track intermittent fasting with a visual timer and personalized insights. It guides you through fasting phases, logs your daily habits, and offers tools to manage hunger. Unlock advanced analytics and recommendations with a Pro subscription.
- Smart fasting timer with custom protocols
- Track metabolic milestones (ketosis, autophagy)
- Comprehensive diary for mood, energy, and hunger
- AI-powered personalized insights
- Streaks and achievements for motivation
- Hunger management coping tools
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Track your intermittent fasting with a beautiful circular timer that makes every hour count. SMART FASTING TIMER Start a fast with one tap. Choose from 5 proven protocols — 16:8, 18:6, 20:4, OMAD, or create your own custom schedule. Watch your progress in real time with a fire-orange ring that fills as you get closer to your goal. METABOLIC MILESTONES Follow your body through 6 science-backed fasting phases. From ketosis to autophagy, see exactly what is happening inside as you fast — with each milestone celebrated when you hit it. COMPREHENSIVE DIARY Log mood, energy, hunger, sleep, cravings, meals, hydration, and symptoms throughout each session. Spot patterns and understand what helps you complete your fasts. INTELLIGENT INSIGHTS An AI-powered engine analyzes your data to find correlations between your habits and fasting success. Get personalized recommendations based on your unique patterns. STREAKS & ACHIEVEMENTS Build momentum with daily streaks and unlock achievements as you progress. A 7-day week bar shows your recent history at a glance. COPING TOOLS When the hunger hits, guided 4-7-8 breathing exercises, evidence-based hunger management tips, and activity suggestions help you push through. PRIVACY FIRST All data stays on your device. No accounts required. No data sold. Your fasting journey is yours alone. FLINT PRO Unlock advanced analytics and personalized insights with a Flint Pro subscription. Pro members get deeper trend analysis across multiple fasts, expanded milestone breakdowns, and tailored recommendations based on your unique patterns. • Includes a 3-day free trial for new subscribers • Auto-renews yearly at the same price unless cancelled at least 24 hours before the end of the current period • Manage or cancel anytime in your App Store account settings Download Flint for free today and take control of your fasting journey. Whether you're starting your first 16:8 fast, building a healthier routine, or just curious about intermittent fasting, Flint is the ultimate intermittent fasting companion. Start, track, and transform your way to a healthier you – one fast at a time! --- Terms of use: https://www.almastreetventures.com/terms Privacy policy: https://www.almastreetventures.com/privacy
Fastly
This app provides a clean and distraction-free timer for intermittent fasting. It tracks your fasting periods in real-time, offers various popular fasting plans, and automatically monitors fasting phases like fat burning and ketosis. View your history with clear statistics and receive smart reminders.
- Clean fasting timer with real-time tracking
- Multiple intermittent fasting plans
- Automatic fasting phase tracking
- Fasting history with statistics
- Smart reminders for goals
- Minimalist interface
- Dark mode support
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Fastly is a clean, private fasting timer for 16:8, 18:6, OMAD, and custom schedules—without ads, accounts, or distractions. Start a fast with one tap, adjust your start or end time when needed, and see your elapsed time, remaining time, and planned finish at a glance. Fastly keeps the experience focused while giving you the tools you need to understand your routine and track your progress. FOLLOW YOUR FAST See estimated fasting phases based on your elapsed fasting time, including digestion, fat burning, ketosis, and autophagy. Upcoming phase markers make it easy to see what comes next during your fast. TRACK YOUR PROGRESS Review your complete fasting history through clear statistics, charts, and progress insights. Set weight and body fat goals, and optionally connect Apple Health to keep your measurements organized. STAY ON TRACK EVERYWHERE Follow your fasting status from your iPhone, Apple Watch, Home Screen widgets, and complications. Smart reminders help you stay aware of fasting goals and eating windows without unnecessary interruptions. KEY FEATURES • Real-time fasting timer with elapsed and remaining time • Planned fasting end time displayed at a glance • 14:10, 16:8, 18:6, 20:4, OMAD, and custom plans • Estimated fasting phases for digestion, fat burning, ketosis, and autophagy • Upcoming fasting phase markers • Complete fasting history with statistics and charts • Weight and body fat goals with progress benchmarks • Apple Health integration for weight and body fat • Apple Watch app and complications • Home Screen widgets for quick progress checks • Smart fasting and eating-window reminders • Optional private iCloud synchronization • Dark mode and a clean, focused interface PRIVATE BY DESIGN No ads. No third-party analytics. No developer data collection. Your fasting and health information stays on your devices and, when optional synchronization is enabled, in your private iCloud account. IMPORTANT NOTE Fasting phases are estimates based on elapsed time and can vary from person to person. Fastly is intended for general wellness and fasting tracking only. It does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before making medical or dietary decisions.
Screenshots
Verdict
The clearest difference is ads: Fastly at none against Fasting Tracker App's shown. Fastly also leads on ratings volume (92 vs 15). On price, rating, review sentiment and update cadence 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. Fasting Tracker App sells 2 in-app purchases, starting at $29.99 per year and Fastly sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Fasting Tracker App against 4.8 for Fastly. That said, the two scores are not equally well evidenced: Fastly has 92 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 100% of Fasting Tracker App's written reviews are positive against 94% of Fastly's.
Fasting Tracker App ships an update every 6 days, Fastly every 10 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.
| Parameter | Fasting Tracker App | Fastly |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (15 ratings) — better | 4.8 (92 ratings) |
| Positive reviews | 100.0% of reviews — better | 94.1% of reviews |
| Number of ratings | 15 | 92 — better |
| Update frequency | Every 6 days — better | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 35 MB | 9 MB |
| Age rating | 17+ | 12+ |
| Developer | Alma Street Ventures | Collweb LLC |
Customer experience
Fasting Tracker App
Fastly
In-app purchases
Fasting Tracker App
- Flint Pro3 Days trial$29.991 Year
- Flint Plus3 Days trial$39.991 Year
Fastly
- Coffee$1.99
- Lunch$4.99
- Become a Supporter$4.99
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- Dinner$9.99









