Based on our record, Designercize seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I second the sharpen prompt, and the UX design course with Google. Or https://designercize.com/ will give you random prompts to work on. Source: over 1 year ago
For basic topics you can look at CollectUI's subjects and pick some that interest you. For more advanced subjects I can recommend Designercize. Source: about 2 years ago
Actually just stumbled upon https://designercize.com/ myself today and did a few prompts with my boss. The randomness helped push me to think outside the box and find more reasonable (albeit absurd) solutions. Source: about 2 years ago
I need to practice my whiteboard challenge skills. Anyone wants to do this with me? We can get prompts from these places: https://designercize.com/ or https://sharpen.design/ and come up with things on zoom. Source: about 2 years ago
Designercize.com, if you look to solve whiteboarding challenges that might be happen as part of hiring interview process. Source: over 2 years ago
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