Zero vs Fasting Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zero
This app tracks intermittent fasting and nutrition to help users achieve real body composition changes. It integrates fasting, protein intake, meals, hydration, and habits for a holistic approach to weight loss and metabolic health.
- Intermittent fasting timers and streaks
- Smart meal logging with photo recognition
- Personalized daily protein target tracking
- Integrated fasting and protein tracking
- Water and habit tracking
- Science-based insights on fasting and nutrition
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Zero is the all-in-one fasting tracker and nutrition app built for real results. Most fasting and weight loss apps stop at simply tracking fasts or calories. Zero connects the full picture — fasting, protein, meals, hydration, and habits — so you actually change your body composition, not just your eating schedule. Here’s how Zero helps you get there: • Track your intermittent fasting — Engage timers, streaks, and insights keep you stay motivated and consistent across your entire fasting journey. • Log meals the smart way — Skip the tedious manual meal entry routine. With Zero Plus, snap a photo and get instant macros, protein composition, and clarity on how effectively your meals support your goals. Your first meal logs are on us, so you can try it before you subscribe. • Hit your Protein Score — Zero Plus tracks a personalized daily protein target that adapts to your weight and goals. Better protein = better satiety, better muscle retention, better weight loss. Zero makes it automatic. • Complete the equation: Fasting + Protein — Most people fast or track meals. Zero brings them together so you lose weight, protect muscle, and avoid the pressure and guilt of traditional calorie trackers. • Stay hydrated to power your fasts — Water tracking with Zero Plus helps you maintain energy, reduce cravings, and support metabolic function throughout the day. • Build healthy habits that actually matter — Track movement, sleep, mood, and other daily pillars that reinforce your fasting and fueling routine. • Challenge yourself — Hit protein targets, maintain fasting streaks, and stay accountable with motivating challenges built around outcomes, not vanity metrics. • Learn the real science — Understand how fasting, protein, and hydration work together for sustainable weight loss and metabolic health — with insights from leading experts. • See measurable progress — Watch your streaks grow, your protein consistency rise, and your body composition improve with clean, insightful trend views. Whether you’re starting out or optimizing an existing routine, Zero gives you the structure, guidance, and clarity most apps miss. Zero is not a medical device and does not provide medical advice, diagnosis, or treatment. Always consult your doctor or qualified healthcare provider before making any changes to your diet, fasting routine, or health regimen. Zero is free to download, with fasting timers, streaks, weekly trends, expert articles, and challenges included. Zero Plus is an optional subscription that unlocks photo meal logging and your Protein Score, water tracking, custom fasts and saved presets, Fat-Burning Mode, the mood journal and daily habit insights, premium articles and Plus-only challenges, and monthly, yearly, and correlated charts. A free trial is available. Payment for Zero Plus will be charged to your Apple Account when you subscribe. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Manage your subscription in your Account Settings. Read more terms & conditions: Terms of use: https://www.zerolongevity.com/terms-of-use Privacy policy: https://www.zerolongevity.com/privacy-policy
Fasting Tracker
Track daily fasting periods and monitor weight loss progress with flexible plans and advanced statistics. The app offers customizable timers, reminders, and personalized themes. Share your achievements on social media and sync data across devices.
- Dynamic fasting timer
- Flexible fasting plans
- Weight loss tracker
- Advanced stats and charts
- Customizable themes and dark mode
- Social media sharing
- iCloud sync
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SuperFast is a fully-featured fasting tracker for anyone trying to lose weight or feel better without a diet. ——— Features ——— - Track your daily fasts with the dynamic fasting timer. - Access flexible fasting plans for everyone. - Keep track of your weight loss goal with the weight tracker. - Follow your progress with advanced stats and charts. - Set up reminders to be notified when to start and stop fasting. - Create custom fasting sessions with presets. - Personalize the experience with customizable themes, dark mode, and app icons. - Share your progress on social media with customizable sharing templates. - Access your fasts on all of your devices with iCloud sync. ——— Support ——— If you enjoy using the app, please leave a nice review and consider purchasing SuperFast Premium, which will support me (Matt) as I'm the only person building this app. If you have any issues, feedback, or feature requests, please contact me on the support screen via the app settings tab. ——— Subscriptions ——— If you purchase a SuperFast Premium subscription, payment will be charged to your iTunes account. Your account will automatically be charged for renewal within 24 hours before the end of the current subscription period unless you disable auto-renew. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. Privacy Policy: https://mdssoftware.co/privacypolicy Terms of Use: https://mdssoftware.co/termsofuse
Screenshots
Verdict
The clearest difference is update cadence: Zero at every 2 weeks against Fasting Tracker's every 12 months. Zero also leads on ratings volume (445K vs 12) and chart position (#115 vs unranked). On price, rating, ads 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. Zero sells 10 in-app purchases, starting at $9.99 per month and Fasting Tracker sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.8 for Zero against 4.9 for Fasting Tracker. That said, the two scores are not equally well evidenced: Zero has 445K ratings behind it against 12, so its average is the more settled of the two.
Zero ships an update every 2 weeks, Fasting Tracker every 12 months. The most recent releases landed on September 24, 2026 and August 27, 2026 respectively.
| Parameter | Zero | Fasting Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (445K ratings) | 4.9 (12 ratings) — better |
| Positive reviews | 32.6% of reviews | — |
| Number of ratings | 445K — better | 12 |
| Update frequency | Every 2 weeks — better | Every 12 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Best chart rank | #115 — better | — |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 238 MB | 20 MB |
| Age rating | 17+ | 4+ |
| Developer | Zero Longevity Science, Inc. | MasterMind Software LLC |
Customer experience
Zero
Fasting Tracker
Bugs and requests
Zero
Reported bugs
3 issues- Password reset problems
- Inaccurate fasting time tracking
- Inability to exit trial without subscribing
Requested features
6 requests- Custom fasting periods longer than 24 hours
- Ability to edit fasting type and duration
- Integration with more health/fitness apps
- Water intake tracking
- Personalized fasting recommendations
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- Improved data visualization and analytics
Fasting Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Zero
- Zero Plus Subscription2 variants$9.991 Month
- Zero Plus Subscription7 Days trial$9.991 Month
- Zero Plus Subscription$39.991 Year
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- Zero Plus Subscription7 Days trial$49.991 Year
- Zero Plus Subscription7 Days trial3 variants$69.991 Year
- Zero Plus Subscription$69.991 Year
- Zero Plus Subscription1 Year trial3 variants$69.991 Year
- Zero Plus Subscription1 Month trial$69.991 Year
- Zero Plus Subscription1 Month trial$89.991 Year
- Zero Plus Subscription7 Days trial$89.991 Year
Fasting Tracker
- Monthly Plan$4.991 Month
- Annual Plan3 Days trial$19.991 Year
- Annual Plan3 Days trial$29.991 Year
Questions
Is Zero free?
Is Fasting Tracker free?
Which has better reviews, Zero or Fasting Tracker?
Do Zero or Fasting Tracker have ads?
Which is updated more often, Zero or Fasting Tracker?
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