Fasting Tracker vs Vow Fasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fasting Tracker
This app helps you track intermittent fasting periods with a simple timer and provides insights into your progress. It offers features like streak tracking, weight and hydration logging, and HealthKit synchronization. Unlock advanced statistics and custom protocols with a one-time purchase.
- One-tap fasting timer
- Home screen widget
- Stats and trends visualization
- Unlimited fasting history
- Customizable fasting protocols
- HealthKit synchronization
- Hydration and weight tracking
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Track your fasting, understand your body, and build habits that actually stick. Free Fast gives you a clean, distraction-free timer with real insights — streak tracking, weight trends, hydration, HealthKit sync, and more. Key Features: Fasting Timer – Start and stop your fast with one tap. See your elapsed time, fasting stage, and end goal at a glance. The timer keeps running in the background and on your lock screen — always where you need it. Home Screen Widget – Glance at your fasting progress without opening the app. The live widget shows your current stage and time remaining right from your Home Screen. Stats & Trends – Visualize your progress over time. Weekly completion rates, average fasting duration, longest streak, and more — all presented clearly so you actually understand how you're doing. Unlimited History – Every fast you've ever completed, logged and browsable. Filter, review, and reflect on your journey from day one. Custom Protocols – Go beyond 16:8. Build any fasting schedule that fits your life — OMAD, 5:2, custom windows — and save it for one-tap reuse. Per-Day Scheduling – Set different fasting windows for different days of the week. Life isn't uniform, and your protocol doesn't have to be either. HealthKit Sync – Automatically log fasting activity to Apple Health. Your data stays on your device, always private. Hydration & Weight Tracking – Log your water intake and body weight alongside your fasts. See how your habits connect over time. Data Export – Export your full history as a CSV. Your data is yours. Free, No Ads, No Subscription. Free Fast is free to download with no ads and no tracking. The core fasting timer, Home Screen widget, HealthKit sync, and recent history are completely free - forever. A one-time Supporter Unlock gives you full access to Stats & Trends, Unlimited History, Custom Protocols, Per-Day Schedule, and CSV Export. Pay once, own it forever. Medical Disclaimer Free Fast is a personal tracking tool and is not intended to provide medical advice, diagnosis, or treatment. Fasting may not be appropriate for everyone. Always consult a qualified healthcare professional before starting any fasting regimen, especially if you have an existing medical condition, are pregnant, or are taking medication. Privacy Free Fast collects no personal data. HealthKit data stays on your device and is never transmitted anywhere. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://fastif2026.blogspot.com/2026/06/privacy-policy.html
Vow Fasting
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Vow is a refined intermittent fasting tracker built for calm daily discipline. Start a fast, follow your progress, and understand each stage as your body moves through metabolic phases like digesting, fat burning, ketosis, and autophagy. Vow keeps fasting focused with a precise timer, clear progress, thoughtful reminders, and a minimal dark design made for daily practice. Whether you follow 16:8, 18:6, 20:4, 24-hour fasts, or custom fasting goals, Vow helps you track every session with clarity. FEATURES • Elegant fasting timer with real-time progress • Intermittent fasting plans including 16:8, 18:6, 20:4, and 24h • Metabolic phase tracking from digesting to fat burning, ketosis, and autophagy • Fasting history, streaks, and weekly insights • Custom and extended fasting durations • Goal reminders and phase update notifications • Minimal dark interface with premium themes • Home Screen widgets and Live Activity support Vow Pro Unlock extended fasting protocols, custom durations, premium themes, advanced insights, and premium widgets. Vow is not medical advice. If you have a medical condition, are pregnant, under 18, or have a history of eating disorders, consult a healthcare professional before fasting. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://vowfasting.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Vow Fasting at fortnightly against Fasting Tracker's every 2 months. On price, ads, in-app purchases and device support 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 sells 1 one-off in-app purchase and Vow Fasting sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Fasting Tracker ships an update every 2 months, Vow Fasting fortnightly. Both last shipped on October 25, 2026.
| Parameter | Fasting Tracker | Vow Fasting |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 5 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Manas Protim Das | FILIP LUCCA KEJSER DAMICI |
In-app purchases
Fasting Tracker
- Supporter$4.99
Vow Fasting
- Vow Pro Monthly$4.991 Month
- Vow Pro Annual$39.991 Year









