# Zero vs Fasting Tracker & Timer App

The clearest difference is review sentiment: Fasting Tracker & Timer App at 100% against Zero's 32%. Fasting Tracker & Timer App also leads on rating (5.0 vs 4.8). Zero's advantage is ratings volume (445K vs 9) and update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model 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 & Timer App sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Tracker & Timer App holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Zero has 445K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 32% of Zero's written reviews are positive against 100% of Fasting Tracker & Timer App's.

Zero ships an update every 2 weeks, Fasting Tracker & Timer App every 2 months. The most recent releases landed on September 26, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Zero | Fasting Tracker & Timer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (445K ratings)](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/fasting-tracker-and-timer-app/id1528881343/reviews)** |
| Number of ratings | **445K** | 9 |
| Positive reviews | 32.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | Freemium |
| Best chart rank | **#109** | — |
| Size | 238 MB | 23 MB |
| Requires iOS | **17.0** | 18 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Zero Longevity Science, Inc.](https://appshunter.io/developer/1397458636) | [SleepyBytes SIA](https://appshunter.io/developer/537208079) |

## What reviewers say

### Zero

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

**Currently charting:** #109 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 & Timer App

[App page](https://appshunter.io/ios/app/fasting-tracker-and-timer-app/id1528881343)

This app helps users implement intermittent fasting by supporting various popular fasting methods. It highlights the numerous health benefits associated with this eating pattern, including weight loss and improved cell repair.

**Highlights:** Supports popular fasting methods (18/6, 12/12), Highlights health benefits of fasting, Tracks eating and fasting periods, Beginner-friendly options, Promotes weight loss and fat reduction

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $12.99 | per year |
| Billed Once | $39.99 | one-time |


## Frequently asked questions

### Is Zero free?

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

### Is Fasting Tracker & Timer App free?

Fasting Tracker & Timer App is free to download, with in-app purchases available.

### Which has better reviews, Zero or Fasting Tracker & Timer App?

Fasting Tracker & Timer App is rated higher. Zero averages 4.8 out of 5 from 445K ratings, while Fasting Tracker & Timer App averages 5.0 from 9 ratings.

### Do Zero or Fasting Tracker & Timer App have ads?

Neither Zero nor Fasting Tracker & Timer App shows ads.

### Which is updated more often, Zero or Fasting Tracker & Timer App?

Zero ships an update every 2 weeks, and Fasting Tracker & Timer App every 2 months. Most recently, Zero was updated on September 26, 2026 and Fasting Tracker & Timer App on August 31, 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.*