Krumbs

Turn spare moments into coding skills. Krumbs gives you tiny, hand-crafted exercises designed to help you practice programming one question at a time.

Practice different ways of thinking about code:
- Verbalize concepts
- Predict what code does
- Find bugs
- Fill in the blanks

Explore 500+ hand-crafted questions across courses in C# fundamentals and object-oriented programming, track your progress, and keep learning at your own pace.

A few questions here and there can add up to a lot of learning.

Krumbs is free to use with a daily question limit. Upgrade to Krumbs Pro to learn without daily limits.

No account required. Your learning progress stays on your device.