Our own app is live!
After months of work, the Klaas Kroezen app is live. Module 1 of the Sales Excellence Training is free, and from now on you can learn anytime, anywhere, straight from your phone.
After months of hard work, the Klaas Kroezen app is now available! This means you have the Sales Excellence Training, and soon the Customer Success Training, within reach anytime, anywhere.
What can you expect?
- Module 1 of the Sales Excellence Training: fully updated and available for free.
- Much more user-friendly than a website: the training remembers where you left off, just like Netflix.
- Accessible anytime, anywhere: learn straight from your phone.
Our goal?
To train 100,000 professionals to help their customers in the very best way, honest and relaxed. You can start today!
Get going in 3 quick steps
- Download the app on iOS or Android and install it.
- Create your free account.
- Log in and start Module 1 right away!
Read also
Klaas Kroezen is an entrepreneur who trains, coaches and speaks. He wrote the #1 Dutch bestseller Sales, Honest & Relaxed and the new book Van klant naar fan (From customer to fan, November 2026). After 25+ years in sales with his own international market research firm, he helps organisations adopt the From customer to fan mindset: selling honestly and relaxed, and turning customers into fans with the whole team.
More about Klaas