# Zero vs Fasting Tracker App by Numify

Zero and Fasting Tracker App by Numify both sit at 4.8 stars, but that hides the real split: 61% of Fasting Tracker App by Numify's written reviews are positive against 33% of Zero's. Zero's advantage is ratings volume (445K vs 5.6K) and chart position (#112 vs unranked). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Zero sells 10 in-app purchases, starting at $9.99 per month and Fasting Tracker App by Numify sells 19 in-app purchases, starting at $3.99 per 7 days. 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 4.7 for Fasting Tracker App by Numify. That said, the two scores are not equally well evidenced: Zero has 445K ratings behind it against 5.6K, 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 61% of Fasting Tracker App by Numify's.

Zero ships an update every 2 weeks, Fasting Tracker App by Numify monthly. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Zero | Fasting Tracker App by Numify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (445K ratings)](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542/reviews)** | [4.7 (5.6K ratings)](https://appshunter.io/ios/app/fasting-tracker-app-by-numify/id6470460463/reviews) |
| Number of ratings | **445K** | 5.6K |
| Positive reviews | 32.6% of reviews | **60.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | **#112** | — |
| Size | 238 MB | 158 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Zero Longevity Science, Inc.](https://appshunter.io/developer/1397458636) | [Municorn Limited](https://appshunter.io/developer/380984285) |

## What reviewers say

### Zero

[App page](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542)

**Currently charting:** #112 Top Grossing · Health & Fitness (US App Store)

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.

**Highlights:** 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

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zero Plus Subscription | $9.99 | per month |
| Zero Plus Subscription | $9.99 | per month |
| Zero Plus Subscription | $39.99 | per year |
| Zero Plus Subscription | $49.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $69.99 | per year |
| Zero Plus Subscription | $89.99 | per year |
| Zero Plus Subscription | $89.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful tracking and data
- 💡 Informative learning resources
- 🔍 Detailed fasting information
- 🤝 Sense of community

**What reviewers complain about**

- 💰 Expensive premium subscription
- 🔒 Forced account creation
- 🙄 Intrusive ads and upsells
- 🤔 Inconsistent or confusing UI changes
- 🐛 Syncing and login issues

**Reported bugs**

- Password reset problems
- Inaccurate fasting time tracking
- Inability to exit trial without subscribing

**Requested features**

- 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


### Fasting Tracker App by Numify

[App page](https://appshunter.io/ios/app/fasting-tracker-app-by-numify/id6470460463)

This app guides users through intermittent fasting for weight loss and improved health. It offers simple tracking, personalized plans, and smart notifications to help establish healthy habits without restrictive diets.

**Highlights:** Intermittent fasting guidance, Weight loss without restrictive diets, OMAD and 16/8 timer options, Effortless tracking, Smart notifications, Personalized fasting plans

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasting Plus | $3.99 | per 7 days |
| Fasting Plus | $3.99 | per 7 days |
| Fasting Plus | $4.99 | per 7 days |
| Premium features | $5.99 | per 7 days |
| Fasting Plus | $5.99 | per 7 days |
| Fasting Plus | $5.99 | per 7 days |
| Lose Weight with a Fasting App | $5.99 | per 7 days |
| Plus | $9.99 | per 7 days |
| Premium features | $14.99 | per month |
| Fasting Plus | $19.99 | per 3 months |
| Plus | $29.99 | per 3 months |
| Fast Tracker for Fasting Clock | $29.99 | per 3 months |
| Fasting Special Offer | $39.99 | per year |
| Fasting Plus | $49.99 | per year |
| Fasting Plus | $49.99 | per year |
| Premium features | $59.99 | per year |
| Premium features | $59.99 | per year |
| Fasting Tracker & Fast Timer | $69.99 | per year |
| Fasting Tracker & Fast Timer | $69.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for beginners
- 💡 Customizable fasting schedules
- 🚀 Convenient and portable
- 👍 Effective for weight loss and health

**What reviewers complain about**

- 🔒 Paywall for basic features
- 🐛 Bugs and glitches
- 🔒 Deceptive free trial
- 🐛 Unreliable data tracking
- 🔒 Expensive subscription

**Reported bugs**

- Incorrect date and time display
- Inability to edit personal information
- Inconsistent data saving and syncing
- Frequent crashes and app not opening

**Requested features**

- Add 18:6 fasting option
- Include meal logging and nutrition tracking
- Provide more fasting protocols and customization
- Improve notifications and reminders


## Frequently asked questions

### Is Zero free?

Zero is free to download, with in-app purchases available.

### Is Fasting Tracker App by Numify free?

Fasting Tracker App by Numify is free to download, with in-app purchases available.

### Which has better reviews, Zero or Fasting Tracker App by Numify?

Zero is rated higher. Zero averages 4.8 out of 5 from 445K ratings, while Fasting Tracker App by Numify averages 4.7 from 5.6K ratings.

### Do Zero or Fasting Tracker App by Numify have ads?

Neither Zero nor Fasting Tracker App by Numify shows ads.

### Which is updated more often, Zero or Fasting Tracker App by Numify?

Zero ships an update every 2 weeks, and Fasting Tracker App by Numify monthly. Most recently, Zero was updated on September 25, 2026 and Fasting Tracker App by Numify on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*