Pricing for deliberate software engineering practice

Frequently asked questions

Is there a free trial?

Yes. New users get a 7-day free trial with full access to all exercises, deep-dive courses, and AI feedback. The trial is available once per account.

Do I need a credit card?

Yes. You enter payment details at checkout, but you are not charged until the 7-day trial ends. If you cancel before the trial expires, no payment is taken.

Can I cancel anytime?

Yes. Cancel from your account settings at any point. If you cancel during the trial, you will not be charged. If you cancel a paid subscription, you keep access until the end of your current billing period.

What is included?

Both plans include 5 daily exercises, AI-powered evaluation and feedback, deep-dive courses, and progress tracking. There is no difference in features between monthly and annual — only billing frequency and price.

Is dev-drill interview prep?

No. dev-drill is daily deliberate practice for working engineers. The exercises focus on code review judgment, trade-off analysis, and system design reasoning — skills you use every day on the job, not trivia questions for interviews.

What happens after the trial?

After 7 days, your chosen plan activates and your payment method is charged automatically. You can cancel anytime before the trial ends to avoid being charged.