The best alternatives to WEEEK for iOS are Trello, Taskade, and Google Tasks. If these 3 options don't work for you, we've listed a few more alternatives below.
Trello is a web-based Kanban-style list-making application. Originally made by Fog Creek Software in 2011, it was spun out to form the basis of a separate company in 2014 and later sold to Atlassian in January 2017.
Taskade simplifies the way your team works. Manage your tasks, organize in mind maps, write structured notes, and chat with your team in one unified space. Taskade is the simplest way to get things done. Our goal is simple, to help distributed teams get work done faster & smarter.
Google Tasks is a simple to-do list—but with lists, subtasks, and mobile notifications, it has the basics you need to stay productive and keep track of your most important things you need to do.
Kanbanier is a clean, flexible iOS + macOS kanban/trello system. Create hierarchies, show columns of cards within workflow columns. You own your data, Kanbanier runs only on your devices and those you share with. Free to use - powerful export and view customizations with purchase.
SoloTasker is a productivity Chrome extension designed to help users stay focused on one task at a time. With a beautiful HD image background, users can enter their task and work distraction-free.