# Zero vs Body Lab Studios

The clearest difference is in-app purchases: Body Lab Studios at none against Zero's 17. Body Lab Studios also leads on iOS requirement (11.0.0 vs 17.0). Zero's advantage is ratings volume (445K vs 1) and chart position (#135 vs unranked). On price, rating, ads 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. Body Lab Studios asks for nothing beyond the download.

Body Lab Studios 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 1, so its average is the more settled of the two.

## The numbers

| Metric | Zero | Body Lab Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (445K ratings)](https://appshunter.io/ios/app/zero-fasting-and-food-tracker/id1168348542/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/body-lab-studios/id6504993337/reviews)** |
| Number of ratings | **445K** | 1 |
| Positive reviews | 32.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | **Free** |
| Best chart rank | **#135** | — |
| Size | 195 MB | 57 MB |
| Requires iOS | 17.0 | **11.0.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Zero Longevity Science, Inc.](https://appshunter.io/developer/1397458636) | [Body Lab Studios, LLC](https://appshunter.io/developer/1736633930) |

## What reviewers say

### Zero

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

**Currently charting:** #135 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


### Body Lab Studios

[App page](https://appshunter.io/ios/app/body-lab-studios/id6504993337)

Book and manage fitness sessions at a premier wellness studio. Access infrared and vacutherm equipment for a holistic approach to health, including personalized plans for body sculpting and recovery.

**Highlights:** Book fitness sessions, Manage fitness journey, Infrared equipment, Vacutherm equipment, Personalized fitness plans, Wellness pod sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zero free?

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

### Is Body Lab Studios free?

Body Lab Studios is free to download, with no in-app purchases.

### Which has better reviews, Zero or Body Lab Studios?

Body Lab Studios is rated higher. Zero averages 4.8 out of 5 from 445K ratings, while Body Lab Studios averages 5.0 from 1 ratings.

### Do Zero or Body Lab Studios have ads?

Neither Zero nor Body Lab Studios shows ads.

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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.*