# Klein: Athletic Training — Workout Planner and Coach

> Personalized athletic training app with customizable workouts and video demonstrations. (iPhone/iPad app by Klein Sports Performance, LLC.)

- Source: https://appshunter.io/ios/app/klein-athletic-training/id1626523970 (this page in markdown: same URL + `.md`)
- Developer: [Klein Sports Performance, LLC](https://appshunter.io/developer/1626523972)
- Category: Sports, Health & Fitness
- Price: Free with in-app purchases
- Rating: 4.60/5 from 25 App Store ratings · 9 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.6 · 73 MB
- Languages: American English
- Released: 2023-05-01
- Data updated: 2026-08-23
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/klein-athletic-training/id1626523970/reviews.md

## What is Klein?

Introducing Klein, the trending training app for individuals looking to maximize their performance in various domains. Whether you're an athlete, coach, or simply someone focused on improving physical fitness, Klein is the digital training tool designed to help you reach your goals. With a wide range of customizable strength and mobility programs, it’s like having a personal training coach right at your fingertips.


Free to Use

Klein is free to use, giving you access to powerful training tools without any required payment. You can explore workouts, track progress, and take advantage of expert-designed programming at no cost. For those looking for additional features, premium options are available—but the core Klein experience is always free.


General Training

Develop strength, build muscle, and improve overall fitness with structured training programs. High workout variability ensures you stay engaged and challenged.


Sports-Specific Training

Specialized programs for soccer, basketball, football, baseball, volleyball, wrestling, and more. Whether you're a professional athlete or a recreational enthusiast, Klein provides the resources you need to excel in your sport.


Dynamic Exercise Selection & Programming

Our adaptive programs take your specific needs into account, including your position within a sport. Whether you’re a quarterback or a lineman, Klein tailors your workouts to match the demands of your role for effective, results-driven training.


Video Demonstrations & Tutorials

Access high-quality video demonstrations for every exercise, allowing you to perfect your form and technique. Slow down videos for closer analysis and follow detailed text descriptions to maximize the benefits of each movement.


Expert Guidance & Support

Our programs are designed by certified professionals, including individuals with Ph.D.'s, CSCS, and USAW weightlifting certifications. Have questions? Our support team is available through our instagram @kleintrainingapp


Community & Social Features

Join a community of athletes and coaches, connect with your team, and train together using the Klein Strength Coaching Tool. To create a team and engage in friendly competition, our sales team is here to assist you.

Take control of your potential and unlock your best self. Get started with Klein for free today—no commitments required. Experience the ultimate training app built to support your unique fitness journey.


Terms of Use: https://kleinstrength.app/TermsOfService/

## Key features

- Customizable strength and mobility programs
- Sports-specific training modules
- Dynamic exercise selection
- Video demonstrations and tutorials
- Expert-designed programming
- Community and social features

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly Klein Strength Premium | $14.99 | per month |
| Annual Klein Strength Premium | $99.99 | per year |


## Recent user reviews (9 of 9)

All indexed reviews: https://appshunter.io/ios/app/klein-athletic-training/id1626523970/reviews.md

### 5/5 — Amazing

*2026-02-23*

One of the most underrated app on the market right now

### 5/5 — Extremely well thought out and personalized

*2024-04-19*

I have been struggling with finding online resources that can cater towards my specific measurements. I love how the schedule takes into account not just my body but also how I prioritize my exercise goals. The beautiful UI also makes it easy to stay motivated and I love how the exercises are clearly demonstrated with real people! Highly recommend for all levels of people looking to enhance their fitness journey.

### 5/5 — Great!

*2023-07-12*

Great app for athletes who want to get faster and stronger the safe way.

**Developer response:** Thanks for the feedback! If you have any problems or issues you can send it over to floyd@kleinstrength.com. Let us know where you think we can improve!

### 5/5 — Great app for any age

*2023-06-17*

I’ve been using this for about two weeks and have already seen major improvements and differences and I would highly recommend

**Developer response:** Love to see this! We spend a great deal of time on making this accessible for younger individuals.

### 5/5 — Great app

*2023-06-03*

As a athlete, this app helps me so much, it keeps me fit when i’m not working out with my school,It keeps my form right and keeps me in shape,i recommended everybody get this.

**Developer response:** Thanks for the kind words! Glad you find it useful!

### 5/5 — Great training app for my daughter!

*2023-05-15*

My daughter has been using this app for the last two weeks and loves it! She has found that it is easy to navigate and hasn’t had any issues following the program. I love that it keeps her accountable during her off season when team activities are low. Can’t wait to see her progress and how we can continue to incorporate during regular season!

**Developer response:** Awesome to hear! And thanks for the morale boost for our team :)

With that being said we have a long way to go and many more features to release. Stay tuned!

### 5/5 — Game Changer For Tracking Performance!

*2023-05-12*

I LOVE that this app gives me feedback on my mobility and strength progress with an easy to see score. All I have to do is complete my workouts with the easy to follow user interface, and the app generated my score based off how I performed. The exercise quality is also top notch! Going to be using this app and recommending it to others!

**Developer response:** Glad your enjoying it Derrick! Feel free to reach out to our team with any suggestions you may have for future features or improvements. This is only the beginning!

### 5/5 — Best Training App for High School Athletes

*2023-05-12*

My son plays football and baseball and has just started using this app. The workouts given apply directly to his sport and work on the movement patterns that are necessary to perform well. Definitely some work needs to be done but overall this app is incredible and a must download for any high school/college athletes!

**Developer response:** And the work will be done! You have our promise. Thanks for the feedback and feel free to reach out directly to our quality assurance lead here: floyd@kleinstrength.com. We would love to here your suggestions!

### 4/5 — Phenomenal App

*2023-05-06*

Having training designed for your specific sport is next level. Very useful and even provides video examples. Well done.

**Developer response:** Great to hear! We are still hard at work creating additional features and functionality so let us know if there's anything you'd like to see us add!

## Frequently asked questions about Klein

### What is Klein?

Klein is a trending training app designed to help individuals maximize their performance. It offers customizable strength and mobility programs, sports-specific training, and video demonstrations to support users in reaching their fitness goals.

### Is Klein free to use?

Yes, Klein is free to use, providing access to powerful training tools, workout exploration, progress tracking, and expert-designed programming at no cost. Premium options are available for additional features.

### What sports does Klein offer training for?

Klein provides specialized programs for soccer, basketball, football, baseball, volleyball, wrestling, and more, catering to both professional athletes and recreational enthusiasts.

### Does Klein have video demonstrations for exercises?

Yes, Klein offers high-quality video demonstrations for every exercise, allowing users to perfect their form and technique. Videos can be slowed down for closer analysis, and detailed text descriptions are also provided.

### Who designs the training programs in Klein?

The programs in Klein are designed by certified professionals, including individuals with Ph.D.'s, CSCS, and USAW weightlifting certifications, ensuring expert guidance and support.

### Can I connect with other athletes and coaches on Klein?

Yes, Klein features community and social features that allow users to join a community of athletes and coaches, connect with their team, and train together using the Klein Strength Coaching Tool.

### What are the subscription options for Klein?

Klein offers a Monthly Klein Strength Premium for $14.99 and an Annual Klein Strength Premium for $99.99, providing access to additional features beyond the core free experience.

### Does Klein have ads?

Yes, Klein contains advertisements. While the core experience is free, users may encounter ads within the application.

## Version history (last 5 releases)

### 1.7.11 — 2026-08-14

Bug fixes and improvements

### 1.7.10 — 2026-02-01

Bug fixes and improvements

### 1.7.9 — 2025-06-30

Bug fixes and improvements

### 1.7.8 — 2025-04-15

Bug fixes and improvements

### 1.7.7 — 2025-03-26

Bug fixes and improvements

## Apps similar to Klein

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [RicFit: Soccer Training Drills](https://appshunter.io/ios/app/ricfit-soccer-training-drills/id6447561962) | 4.8 (151) | Free | Sports |
| [Trainsolo Soccer](https://appshunter.io/ios/app/trainsolo-soccer/id1582909254) | 4.2 (59) | Free | Sports |
| [PAPS Training](https://appshunter.io/ios/app/paps-training/id6473777113) | 5.0 (8) | Free | Sports |
| [Athlete Trainings & workouts](https://appshunter.io/ios/app/athlete-trainings-and-workouts/id1382399572) | — | Free | Sports |
| [Football Workouts Training](https://appshunter.io/ios/app/football-workouts-training/id738174884) | 3.7 (73) | Free | Sports |
| [KC9PERFORMANCE](https://appshunter.io/ios/app/kc9performance/id6526491650) | 5.0 (1) | Free | Sports |

## Related topics

[klein](https://appshunter.io/ios/topics/klein)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*
