# Zero vs Fasting Timer & Tracker

The clearest difference is review sentiment: Fasting Timer & Tracker at 100% against Zero's 32%. Fasting Timer & Tracker also leads on rating (5.0 vs 4.8) and iOS requirement (15.0 vs 17.0). Zero's advantage is ads (none vs shown) and ratings volume (445K vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Zero sells 10 in-app purchases, starting at $9.99 per month and Fasting Timer & Tracker sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Timer & Tracker 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 2, 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 Timer & Tracker's.

Zero ships an update every 2 weeks, Fasting Timer & Tracker every 2 months. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Zero | Fasting Timer & Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (445K ratings)](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fasting-timer-and-tracker/id6444643252/reviews)** |
| Number of ratings | **445K** | 2 |
| Positive reviews | 32.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | **#139** | — |
| Size | 195 MB | 71 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Zero Longevity Science, Inc.](https://appshunter.io/developer/1397458636) | [Loyal Health & Fitness, Inc.](https://appshunter.io/developer/1088263310) |

## What reviewers say

### Zero

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

**Currently charting:** #139 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 Timer & Tracker

[App page](https://appshunter.io/ios/app/fasting-timer-and-tracker/id6444643252)

This app helps users adopt intermittent fasting for weight loss and improved health. It provides guidance, timers, and notifications to support various fasting plans, making it accessible for both beginners and experienced users.

**Highlights:** Intermittent fasting plans, Fasting timer and notifications, Weight loss support, Detox and regeneration guidance, Beginner and experienced friendly, One-tap start/end fasting

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IFX+ | $2.99 | per month |


## Frequently asked questions

### Is Zero free?

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

### Is Fasting Timer & Tracker free?

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

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

Fasting Timer & Tracker is rated higher. Zero averages 4.8 out of 5 from 445K ratings, while Fasting Timer & Tracker averages 5.0 from 2 ratings.

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

Fasting Timer & Tracker shows ads; Zero does not.

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

Zero ships an update every 2 weeks, and Fasting Timer & Tracker every 2 months. Most recently, Zero was updated on October 18, 2026 and Fasting Timer & Tracker on October 3, 2026.

---

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