Daily Coding Problemshttps://indiemaker.co/listings/daily-coding-problemsAn app that allows developers to enhance their coding skills with interview-style coding problems. Complete with a mobile code IDE as well as a remote code execution server.
4.8 stars on the app store.
App Store Link: apps.apple.com/us/app/daily-coding-problems/id1494597867$799.00Side ProjectEducationalSwift