Aero Markdown vs Marked 3: project reading or preview and publishing?

Compare the final task, not just the preview

A writer preparing a publication needs to inspect prose, tune presentation and deliver an output file. A developer reviewing project documentation may need to move from a requirement to its architecture and back. Both benefit from a rendered page, but they do not necessarily need the same surrounding tools.

Marked 3 is built as a preview and publishing companion to the editor you already use. Aero Markdown is built around reading files in their existing local folder, with optional corrections to the open document. A separate preview is not automatically simpler or weaker: it can be the right tool when proofing and output control are the work.

Also distinguish the products. This page concerns Marked 3, the current product presented by its developer, rather than assuming every article about Marked 2 describes it accurately. See the current product site for its scope and purchase options.

Features compared

Scroll sideways to compare both apps →

Marked’s export documentation and navigation documentation describe its capabilities. A narrower Aero Markdown column is a product boundary, not a claim that more publishing tools are undesirable.

When Marked’s publishing workflow is the better fit

If the deliverable is an EPUB or a styled document for someone else to review, begin with the output requirements. The ability to read a file pleasantly does not replace format controls, a publication structure or a proofing pass.

Marked documents multi-file assembly, proofreading and export as part of its broader workflow. That makes it relevant when several source files need to become one finished artifact. Keeping the editor separate can also preserve a writing setup you have already invested in. Marked’s overview explains its role beside other editors.

Aero Markdown’s PDF and local HTML commands serve a smaller need: sharing a rendered reading copy of a document. They are useful, but they do not establish equivalent manuscript production, custom processing or format coverage. If those are requirements, evaluate Marked around a representative deliverable.

When a folder-oriented reader is worth considering

For project documentation, the output may simply be your understanding of the proposal. You need the specification, the architecture and the decision record to remain separate files, linked as they were delivered. Aero Markdown’s tree and outline keep those two levels of navigation visible.

Marked also documents movement between related documents, including history and settings for opening linked files in the same window. Do not choose Aero Markdown on the assumption that Marked cannot follow a link. The useful comparison is the whole reading arrangement and the steps you take in your own project.

For example, start at an acceptance criterion in the Project Reading Kit. Read the relevant decision, return to the original point and check another supporting file. Then ask whether you needed publication controls or a persistent view of the project’s files. That answers a more specific question than which app has the longest feature list.

Source changes, corrections and Quick Look

Marked’s main preview workflow keeps source editing in another app. Aero Markdown allows you to change the current document explicitly, then save it. During reading, external changes reload the file; during an unsaved edit, they are reported without overwriting your text.

Finder preview is a separate consideration. Marked QL is a separate Quick Look product, with its own requirements and purchase options. Aero Markdown includes a Quick Look extension in its Mac project. A Finder preview is helpful for deciding what to open, while a reading window is where you spend time with the document.

Price and the practical choice

Marked’s site lists introductory subscription options and a $69.99 permanent unlock for Marked 3; it also describes a separate one-time Pro purchase. Check the current pricing before choosing a licence. Aero Markdown is $14.99 USD, one-time, for a lifetime Aero 1.x license for one Mac. Download and checkout are not available yet.

Choose Marked for the preview, proofing and publication workflow it already offers. Consider Aero Markdown for a connected local reading session with occasional corrections. If you only need a rendered view beside your existing editor, start by asking whether its built-in preview already meets the requirement.