I am looking for a To Do list for both Android and Windows (I wouldn't object to Linux, but don't require it) with no user account required (I will synch the data files myself).

  • categories, including nesting of categories

  • task due dates, with alarms

  • task % complete

  • task priority

  • task description

any other features welcome (such as one task being a prerequisite of the next)

This question comes close, but is not gratis and requires user registration (I do not want my data sitting, possibly unencrypted, on someone's server).

On reflection, I don't require a gratis solution and would be willing to pay up to $20, so long as the data can be synched by DropBox and are encrypted.

[Update] To Do List on Android does not remember the database from session to session, so I am looking for an alternative.

I still prefer to synch with DropBox and not have my data on someone else's server, but I could live with that if the data is encrypted on my device & the servers' owners cannot access it

1 Answer 1


For many years I have used the excellent TaskCoach, and only posted this question when I had trouble opening my database on a new Android phone.

I post this answer to help anyone with similar requirements (but I continue to welcome alternatives).

What is Task Coach?

Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists. It is designed for composite tasks, and also offers effort tracking, categories, notes and more.

What platforms are supported?

Task Coach is available for Windows, Mac OS X, Linux, BSD, iPhone, iPad, and iPod Touch.

What does it cost?

The desktop versions of Task Coach are completely free. The iOS versions of Task Coach come with a small price tag because it costs us money to make them available.

Task Coach for the desktop

The desktop version of Task Coach (Windows, Mac, Linux, BSD) has the following features: •Creating, editing, and deleting tasks and subtasks.
•Tasks have a subject, description, priority, start date, due date, a completion date and an optional reminder. Tasks can recur on a daily, weekly or monthly basis.
•Tasks can be viewed as a list or as a tree.
•Tasks can be sorted by all task attributes, e.g. subject, budget, budget left, due date, etc.
•Several filters to e.g. hide completed tasks or view only tasks that are due today.
•Tasks can be created by dragging an e-mail message from a mail user agent (Outlook, Thunderbird, Claws Mail, Apple Mail) onto a task viewer.
•Attachments can be added to tasks, notes, and categories by dragging and dropping files, e-mail messages, or URL's onto a task, note or category.
•Task status depends on its subtask and vice versa. E.g. if you mark the last uncompleted subtask as completed, the parent task is automatically marked as completed too.
•Tasks and notes can be assigned to user-defined categories.
•Settings are persistent and saved automatically. The last opened file is loaded automatically when starting Task Coach.
•Tracking time spent on tasks. Tasks can have a budget. Time spent can be viewed by individual effort period, by day, by week, and by month.
•The Task Coach file format (.tsk) is XML. •Tasks, notes, effort, and categories can be exported to HTML and CSV (comma separated format). Effort can be exported to iCalendar/ICS format as well.
•Tasks, effort, notes, and categories can be printed. When printing, Task Coach prints the information that is visible in the current view, including any filters and sort order.
•Task Coach can be run from a removable medium.
•Tasks and notes can be synchronized via a Funambol server such as My Funambol.

Task Coach for iOS

There is a todo-list application for iPhone, iPad and iPod Touch that can synchronize with Task Coach through the network. Main features are:

•Hierarchical categories.
•Editing of task subject, description, dates and completed status.
•Tap on the task's led icon to mark it complete.
•Available in English and French.

Task Coach for Android

The Android version is separately developed; we don't support it ourselves. See the developer's site for details.

Google play for the Android version is here

Obligatory graphic:

Task Coach screenshot

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