# Chalk Performance Training vs Thundr App

The clearest difference is update cadence: Chalk Performance Training at every 5 months against Thundr App's every 27 months. Chalk Performance Training also leads on ratings volume (164 vs 12). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.8 for Chalk Performance Training against 3.8 for Thundr App. That said, the two scores are not equally well evidenced: Chalk Performance Training has 164 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 65% of Chalk Performance Training's written reviews are positive against 64% of Thundr App's.

Chalk Performance Training ships an update every 5 months, Thundr App every 27 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chalk Performance Training | Thundr App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (164 ratings)](https://appshunter.io/ios/app/chalk-performance-training/id6448561714/reviews) | [3.8 (12 ratings)](https://appshunter.io/ios/app/thundr-app/id6480428125/reviews) |
| Number of ratings | **164** | 12 |
| Positive reviews | **65.5% of reviews** | 63.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 27 months |
| Monetization | Free | Free |
| Size | 44 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Chalk Performance Training](https://appshunter.io/developer/1613097662) | [DSS Sports Group Inc](https://appshunter.io/developer/1738995467) |

## 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


### Thundr App

[App page](https://appshunter.io/ios/app/thundr-app/id6480428125)

Access your training and nutrition plans, join group challenges, and schedule appointments with coaches. This app supports physical training and mental toughness for a winning mindset.

**Highlights:** Workout tracking, Nutrition information access, Group challenges, Scheduled workout viewing, Coach appointment booking

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

**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 Thundr App free?

Thundr App is free to download, with no in-app purchases.

### Which has better reviews, Chalk Performance Training or Thundr App?

Chalk Performance Training and Thundr App are both rated 3.8 out of 5 on the App Store, from 164 and 12 ratings respectively.

### Do Chalk Performance Training or Thundr App have ads?

Neither Chalk Performance Training nor Thundr App shows ads.

### Which is updated more often, Chalk Performance Training or Thundr App?

Chalk Performance Training ships an update every 5 months, and Thundr App every 27 months. Most recently, Chalk Performance Training was updated on October 15, 2026 and Thundr App on October 2, 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.*