BigWrite Markdown App is a new approach to writing apps in a number of key areas:

It is designed specifically with the needs of low-vision users in mind while making writing more accessible to everyone.
Text size slider lets you instantly adjust all of your text to suit your needs. It even works when previewing your converted markdown.
Easily adjust background and text color.
Text to speech buttons are provided that allow you to start the reading from anywhere, pause, edit, and pick up where you left off.
Pay once and own it forever. No subscriptions ever! Unlock the full capabilities for an incredible, introductory price.
iCloud sync lets you work from different devices and keep your documents in sync.
Create new files and folders right in the sidebar. They are automatically saved.
Print directly from the app and export to plain text, PDF, and rich text.