Wellmetry vs Planck Fasting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wellmetry
This app helps users track intermittent fasting with various protocols, visualize progress, and monitor weight and glucose levels. It offers smart reminders, achievements, and integrates with HealthKit for seamless data sync. Designed for health improvement and lifestyle changes.
- Multiple fasting protocols (16:8, 18:6, 20:4, OMAD, Custom)
- Real-time fasting timer and progress visualization
- Weight, BMI, and body measurement tracking
- Blood glucose monitoring
- HealthKit integration
- Achievements and streak tracking
- Customizable notifications
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Intermittent fasting made simple. Track every fast with a live timer, log your weight in seconds, and watch your progress add up day by day. Wellmetry brings fasting, weight, water and daily habits together in one clean app, so you always know where you stand and what to do next. FAST WITH CONFIDENCE - Start and end a fast with one tap - Choose 16:8, 18:6, 20:4, OMAD or a custom plan - Live timer with elapsed time, end time and progress - Follow the fasting stages as your fast goes on - Edit start and end times anytime - Log anything you eat or drink during a fast TRACK YOUR WEIGHT - Log your weight in seconds - Set a goal weight and see how far you have to go - Weekly, monthly and all-time charts - Full history of every entry SEE YOUR PROGRESS - Streaks, total fasting hours and average fast length - Weekly chart showing which days you reached your goal - Weight and fasting trends over 7, 30 and 90 days BUILD DAILY HABITS - A simple daily plan with small, achievable goals - Quick-log water, steps and weight from the home screen - Reminders when your fast starts, hits halfway and ends - Optional water and weekly progress reminders BLOOD SUGAR LOG - Record your glucose readings alongside your fasts - See your readings over time WELLMETRY PREMIUM Wellmetry is free to download. Wellmetry Premium unlocks [LIST PREMIUM FEATURES] with a monthly or yearly subscription. Prices are shown in the app and may vary by country. - Payment is charged to your Apple ID account at confirmation of purchase. - Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period. - Your account is charged for renewal within 24 hours before the end of the current period. - You can manage or cancel your subscription anytime in your App Store account settings. - Any unused portion of a free trial is forfeited when you purchase a subscription. HEALTH NOTICE Wellmetry is for general wellness and information only. It does not provide medical advice, diagnosis or treatment. Talk to your doctor before starting a fasting plan, especially if you are pregnant or breastfeeding, have diabetes, take medication, or have a history of eating disorders. Privacy Policy: https://sites.google.com/view/fasting-track/privacy-policy Terms of Use: https://sites.google.com/view/fasting-track/term-of-use Start your first fast today.
Planck Fasting
This app provides a simple intermittent fasting timer with pre-set protocols. It tracks your fasting periods and offers a clean history of completed fasts. Designed for privacy, it works offline and syncs via iCloud without requiring accounts or tracking.
- Intermittent fasting timer
- Pre-set fasting protocols
- Fasting history tracking
- Live progress ring
- Offline functionality
- iCloud syncing
- Dark UI
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Planck Fasting is an intermittent fasting timer that gets out of your way. Pick a protocol, hit start, and the timer runs. When you break your fast, it goes into your history. That is the whole app. PROTOCOLS 14:10 for a gentle start 18:6 for deeper ketosis 20:4 for advanced fasters FEATURES A live ring that shows how far into the fast you are Clean history of every completed fast with start time, end time, and duration Pick your default protocol once and forget it Dark UI built for late nights and early mornings Works fully offline Syncs across your iPhone and iPad through your private iCloud database PRIVACY No accounts. No tracking. No ads. No analytics. Your fasting data lives on your device and in your own iCloud, nowhere else. NOT MEDICAL ADVICE Planck Fasting is a tracking tool, not a medical device. Talk to a qualified clinician before starting any fasting protocol, especially if you are pregnant, breastfeeding, taking medication, or have a history of disordered eating. THE PLANCK SERIES Planck Fasting is part of a small family of focused single purpose apps. Same dark aesthetic, same hbar mark, same idea: do one thing, do it well, then get out of the way.
Screenshots
Verdict
The clearest difference is in-app purchases: Planck Fasting at none against Wellmetry's 2. Planck Fasting also leads on update cadence (weekly vs every 2 months). Wellmetry's advantage is ratings volume (4 vs 1). On price, rating, ads 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. Wellmetry sells 2 in-app purchases, starting at $2.99 per month. Planck Fasting asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Wellmetry against 5.0 for Planck Fasting. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Wellmetry ships an update every 2 months, Planck Fasting weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Wellmetry | Planck Fasting |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 10 MB | 1 MB |
| Age rating | 17+ | 17+ |
| Developer | Md Golam Saroar Shuvo | Yeong Kwon |
In-app purchases
Wellmetry
- Monthly Premium$2.991 Month
- Yearly Premium$14.991 Year
Planck Fasting
No in-app purchases









