Based on our record, Remarkable seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I don't have that much experience with it, but remarkable lets you choose any font and font size you want. Source: about 2 years ago
For Markdown, I use VSCode myself. For you, however, http://remarkableapp.github.io might be interesting. Source: almost 3 years ago
Freeplane - Freeplane is a powerful and free software for building mind maps.
Typora - A minimal Markdown reading & writing app.
Linked Ideas - A macOS/iOS apps to treat ideas as links of concepts.
Markdown by DaringFireball - Text-to-HTML conversion tool/syntax for web writers, by John Gruber
SuperNotecard - Introducing SuperNotecard. SuperNotecard is an online writing tool that features virtual notecards to help arrange facts or scenes, track details, organize paragraphs, and clarify your composition process.
MarkdownPad - MarkdownPad is a full-featured Markdown editor for Windows. Features: