I'm experimenting with cloud access to my documents across 3 computers and the iPhone. As part of this grand experiment, I've cobbled together a complicated network of tools which include Dropbox, Simplenote, and Resophnotes. I'll have more to say about these apps in the future.
(Quick note: the Dropbox link is a referral link. It gets you and me an extra 250MB of storage space. But if you don't want that, use this link instead.)
I've also discovered Markdown, a lightweight markup language intended to help specifically with making writing HTML easier. In conjunction with my network experiment, I decided to start using Markdown in the hopes of increasing the efficiency, portability, and usefulness of many of my documents.
What I didn't have was an easy way to convert Markdown to HTML on my iPhone.
MarkdownMail allows you to use Markdown syntax and then converts it to HTML, which can then be e-mailed. It also includes a built-in web link to the syntax page on the Web (note: just checked, & the pseudo-browser works for previewing web links in your text as well!).
For $1.99, I would have been happy just to use it as a portable Markdown viewer. In fact, that was my intent; I didn't plan on even using the e-mail feature. But I just realized that using the remote blogging feature of Blogger, I could use it for blogging as well, saving the steps of converting the text to HTML, logging on to my Blogger account, creating a new post, and so on.
The word on the street is that MarkdownMail2 is coming, and the price will be going up to $3.99. However, according to the Second Gear Twitter Feed, it will be a free upgrade for existing users.
The app is limited to one message at a time, and you can't save drafts in it. But you could always use a different app to compose, or you could save drafts in your e-mail program.
Even with these limitations, if you use Markdown at all, you will probably find this app useful. In conjunction with a cloud app or as a blogging tool, it's value will be much greater.