Zero vs EatTimer
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
EatTimer
This app helps you track your intermittent fasting journey with personalized plans and reminders. Monitor your progress, log weight loss data, and achieve metabolic balance without strict dieting. It supports various popular fasting schedules for all experience levels.
- Personalized fasting plans
- Accurate intermittent fasting tracker
- Fasting and eating reminders
- Weight loss tracking
- Support for popular fasting plans
- Suitable for all experience levels
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Are you looking for a good fasting tracker to get fit? Intermittent Fasting Tracker is definitely what you want! You can fast with one app, easy to use, clearly displays your progress before, during, and after a fast. Track your fasting record and weight loss data, improves metabolic balance of your body. Key Features: *Personalized fasting plans based on your status. *Accurate intermittent fasting tracker *Reminder your fasting and eating on time *Weight loss tracker *Popular fasting plans such as 168, 204, 186, 1410 * Suitable for beginners, intermediate, and advanced Benefits For Fasting - No diet is required to help with weight loss - Burns fat reserves in the body - Promotes regeneration and detoxification - Prevent diseases such as diabetes - Promotes health and energy - Slows down the aging process - Avoid the yo-yo effect and count calories Subscription information: -Get access to all functions. -You can turn off the auto-renewal at any time: you'll find the option to do this change to a different payment plan in the settings of your iTunes and App Store account. -Price: you can try subscribe monthly($4.99). And try the yearly($24.99). Your account will be automatically charged for the subscription if you will not stop it before the end of the free trial. -The subscription is auto-renewing. You can stop the subscription at any moment; -Account will be charged for renewal within 24 hours prior to the end of the current period, and identity the cost of the renewal. Privacy Policy: https://sites.google.com/view/simple-fastingprivacy/home Terms of Use: https://sites.google.com/view/simplefastingterms/home
Screenshots
Verdict
The clearest difference is monetization model: Zero at freemium against EatTimer's subscription. Zero also leads on ratings volume (445K vs 221) and review sentiment (33% vs 13%). EatTimer's advantage is iOS requirement (12.0 vs 17.0). On price, rating, update cadence and ads 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 EatTimer sells 4 in-app purchases, starting at $7.99 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 4.8 for EatTimer. That said, the two scores are not equally well evidenced: Zero has 445K ratings behind it against 221, so its average is the more settled of the two. Written reviews are what separate them: 33% of Zero's written reviews are positive against 13% of EatTimer's.
Zero ships an update every 2 weeks, EatTimer every 3 weeks. The most recent releases landed on September 26, 2026 and July 5, 2026 respectively.
| Parameter | Zero | EatTimer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (445K ratings) | 4.8 (221 ratings) — better |
| Positive reviews | 32.6% of reviews — better | 12.5% of reviews |
| Number of ratings | 445K — better | 221 |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium — better | Subscription |
| Best chart rank | #118 — better | — |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 238 MB | 49 MB |
| Age rating | 17+ | 4+ |
| Developer | Zero Longevity Science, Inc. | Shaanxi Punuokang Software Technology Co., Ltd. |
Customer experience
Zero
EatTimer
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
EatTimer
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
EatTimer
- Month Premium$7.991 Month
- Quarterly Premium$19.993 Months
- Year Premium$34.991 Year
- Lifetime Premium$49.99
Questions
Is Zero free?
Is EatTimer free?
Which has better reviews, Zero or EatTimer?
Do Zero or EatTimer have ads?
Which is updated more often, Zero or EatTimer?
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