# Chalk Performance Training vs ZZFit.com

The clearest difference is rating: ZZFit.com at 4.8 against Chalk Performance Training's 3.8. ZZFit.com also leads on update cadence (every 2 months vs every 5 months) and device support (4 vs 2). Chalk Performance Training's advantage is ratings volume (166 vs 17). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZZFit.com holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Chalk Performance Training has 166 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 65% of Chalk Performance Training's written reviews are positive against 67% of ZZFit.com's.

Chalk Performance Training ships an update every 5 months, ZZFit.com every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chalk Performance Training | ZZFit.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (166 ratings)](https://appshunter.io/ios/app/chalk-performance-training/id6448561714/reviews) | **[4.8 (17 ratings)](https://appshunter.io/ios/app/zzfitcom/id6472858176/reviews)** |
| Number of ratings | **166** | 17 |
| Positive reviews | 65.5% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 44 MB | 164 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Gym Ryan LLC](https://appshunter.io/developer/1613097662) | [ZoeRoseZiegler LLC](https://appshunter.io/developer/1717949364) |

## What reviewers say

### Chalk Performance Training

[App page](https://appshunter.io/ios/app/chalk-performance-training/id6448561714)

Access science-based workouts for any fitness level, at home or in the gym. Track your progress, join a supportive global community, and receive expert guidance to achieve your health and fitness goals.

**Highlights:** At-home and gym workout programs, Beginner, intermediate, and advanced options, Exclusive workout library, Video demonstrations and instructions, Progress tracking and performance analysis, Global fitness community and discussions

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient and easy to use
- 🔒 Robust security features
- 👍 Variety of workout programs
- 💡 Helpful nutrition resources
- 🚀 Seamless workout tracking

**What reviewers complain about**

- 🐛 Buggy app functionality
- 🔒 Difficult to cancel subscription
- 👎 Poor customer service
- 🐛 Inconsistent user experience
- 👎 Confusing navigation

**Reported bugs**

- Timer resets when switching apps
- Inability to log completed sets
- Workout history not transferring from previous app
- Difficulty creating custom workouts

**Requested features**

- Add option to disable audio during workouts
- Improve ability to enter weights and reps manually
- Provide more customization options for workouts
- Implement seamless sync across devices
- Add support for Apple Watch integration


### ZZFit.com

[App page](https://appshunter.io/ios/app/zzfitcom/id6472858176)

Achieve your fitness and health goals with personalized workout and nutrition plans. Track your progress, meals, habits, and measurements with guidance from a coach. Connect with communities and wearable devices for comprehensive health monitoring.

**Highlights:** Customized training plans, Workout and exercise videos, Meal tracking and nutrition knowledge, Habit tracking, Goal setting and progress tracking, Coach messaging, Digital communities, Wearable device integration

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Chalk Performance Training free?

Chalk Performance Training is free to download, with no in-app purchases.

### Is ZZFit.com free?

ZZFit.com is free to download, with no in-app purchases.

### Which has better reviews, Chalk Performance Training or ZZFit.com?

ZZFit.com is rated higher. Chalk Performance Training averages 3.8 out of 5 from 166 ratings, while ZZFit.com averages 4.8 from 17 ratings.

### Do Chalk Performance Training or ZZFit.com have ads?

Neither Chalk Performance Training nor ZZFit.com shows ads.

### Which is updated more often, Chalk Performance Training or ZZFit.com?

Chalk Performance Training ships an update every 5 months, and ZZFit.com every 2 months. Most recently, Chalk Performance Training was updated on October 27, 2026 and ZZFit.com on October 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.*