txt-filer

This is a text editor/notepad/application that allows you to easily create txt format files, edit them in parallel, read/write to storage, copy to clipboard, share, and send via email.
You can edit text boxes installed in multiple windows (table view cells) in parallel. Furthermore, you can quickly attach and send those files by email in txt file format.

- feature
One window and one text file are assigned, and you can view and edit the contents of multiple files without screen transition.
It is saved in the storage by auto save each time.
It can be exported as a txt file format by attaching it to an email. The mail button assigned to each window calls the attached mail window.
The user can freely set the initial values ​​of the subject and body of the email. This makes it possible to send emails smoothly.

- Main functions
Multiple TextEdit on a single screen
txt file format output
Batch copy of contents
Character count
User customization of the default email for attachment

- About the paid version
In the free version, you can create up to 3 files (edit window) at the same time.
By switching to the paid version with In-app purchase, you can edit up to 100 items. (It may not work depending on the device ability.)
Once purchased, you can use the paid version indefinitely.