Markdown
Write in Markdown without staring at raw syntax all day.
Otter keeps the source portable while the editor stays calm, visual, and fast enough for daily capture.
Read moreAvailable now on Google Play
Now on Google Play: a calm, local-first notebook for Markdown writing, nested tags, wiki links, fast search, and notes that remain portable.
Built for focused Markdownfocused Markdown
Built for actual notes
Capture a note, shape it with Markdown, organize it with tags and links, then find it again without leaving the local-first app.




Product shape
The scope stays narrow on purpose: focused writing, flexible structure, fast recall, and transparent data handling instead of workspace sprawl.
Markdown
Otter keeps the source portable while the editor stays calm, visual, and fast enough for daily capture.
Read moreStructure
Use tags, folders, wiki links, and backlinks to organize notes without turning the app into a workspace database.
Read moreRecall
Search across notes, tags, and text quickly, with local-first data as the baseline instead of a network dependency.
Read moreUse the app well
Practical user documentation sits next to a policy that reflects the Android app’s Firebase, notification, billing, and optional sync behavior.
Business model
Otter Free includes local writing for up to 10 notes. Otter Pro is managed through Google Play and unlocks unlimited note creation without changing the local-first trust model.
Local notes, Markdown editing, tags, links, search, import, and export.
Unlimited note creation through a monthly Google Play subscription.