★★★★★Cebelle Loov1.12.09 Oct 2026
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CompareOpen in Google Play★★★★★Islam Amrv1.10.027 Aug 2026
How is that app not popular among developers? i was always thinking about building sth for myself to teach me system design and fixing the problems with all alternatives out there. This beats everything I had in mind. Thank you!
★★★★★Mahfuz reonalv1.6.016 Jul 2026
this is the best system design app by far on the play store, thank you
★★★★★Hrishikesh Shahv1.3.22 Jun 2026
Best app to practice your fundamental of system design also real life examples gives you a good sense to understand the concept must try who enjoys system design
Developer reply
Dear User, we are happy to know that you found our app useful. Please help us by spreading the word amongst your friends. If you have any feedback or suggestions, please write to us at hyperfocusedengineer@gmail.com. We would love to hear from you!
★★★★★Sahib Tamirev1.3.118 May 2026
i like this app so much. they made it easy to learn complex topics.
Developer reply
Thank you for using it and taking time to submit the review. Let me know if there are any rough edges or any feature that you would like to see.