The best alternatives to Todotxt+ are Todoist, MinimaList, and Simpli. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Simpli is a mobile productivity app which integrates your email accounts, calendars, lists, notes and files, all with a neat tagging feature that enables you to label and link different items across multiple sources any way you like, for ease of organi...
Planny combines your daily tasks with intelligence and gamification. This year Planny 6 is ready for the new iOS 15 and its' features! But most important: Teamwork (list sharing and collaboration) is finally here so you can be productive together.
Sirius Planner makes it easy to plan and keep track of work across different time, projects and people. It offers a calendar view in which you can drag, prioritise and tag tasks - imagine Google Calendar but where you can colour-code and reorder tasks.