Outerline app icon

Apps Like Outerline for iPhone and iPad

by Adam Goehrig-Bawany★ 5.02 ratingsProductivity$9.99Data updated 2026-09-21
App detailsView in App Store

Outerline screenshots

Ranked alternatives

Showing 161–180 of 1,000 ranked alternatives.

  1. AI Essay Writer - PaperMate app icon

    AI Essay Writer - PaperMate

    MasterMind Software LLC

    Write, edit, and refine documents instantly

    AI writing helps users brainstorm, draft, rewrite, and edit content. Generate essays, research papers, resumes, and blog posts. Offers real-time suggestions and grammar checks. Syncs across devices and integrates with cloud storage.

    ★ 4.8785 ratingsProductivityFreeData updated 2026-09-06
    App details
  5. Collected Notes app icon

    Collected Notes

    Alfajor LLC

    Write, share, and publish online

    Create private and share them publicly to build a blog with a custom domain. Use Markdown with live preview for real-time formatting. Focus on simplicity with a native iPhone experience for fast performance.

    ★ 4.743 ratingsProductivityFreeData updated 2026-09-25
    App details
  6. MarkChart - Mermaid Editor app icon

    MarkChart - Mermaid Editor

    Alexandre Colucci

    Edit diagrams and preview flowcharts

    Edit diagrams with built-in templates for sequence, state, and flowcharts. Create diagrams from scratch or integrate with external editors. Automatically update diagrams when changes are made in external files.

    ★ 4.28 ratingsDeveloper ToolsFreeData updated 2026-09-06
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  8. EPUB Reader - Reader for epub format app icon

    EPUB Reader - Reader for epub format

    LTD DevelSoftware

    Read books with full formatting support

    Read books with full support, including styles, chapters, tables, links, and footnotes. Adjust text size and line spacing. Navigate through chapters and bookmarks. Sync reading progress across devices. Export notes and highlights.

    ★ 4.2808 ratingsBookFreeData updated 2026-09-09
    App details
  9. Script Buddy: Actor Rehearsal app icon

    Script Buddy: Actor Rehearsal

    Klaus Matzka

    Rehearse scripts on the go

    Helps users memorize and rehearse scripts by reading them aloud and assigning distinct voices to characters. Users can mute their lines to practice active recall and rehearse during daily activities like working out or commuting.

    ★ 4.926 ratingsProductivityFreeData updated 2026-10-06
    App details
  10. UPDF - AI-Powered PDF Editor app icon

    UPDF - AI-Powered PDF Editor

    Superace Software Technology Co., Ltd.

    Edit, annotate, and organize PDFs

    Edit PDF documents with text and image modifications, including color, font, and rotation changes. Annotate, OCR, scan to PDF, convert formats, organize pages, crop, search, copy, paste, delete, rename, compress, and secure files.

    ★ 4.6555 ratingsProductivityFreeData updated 2026-09-06
    App details
  15. Skye Terminal app icon

    Skye Terminal

    HYPERSKYE LLC

    Write, message, and plan without distractions

    Quick Notes allows secure short-form note-taking with instant encryption. Long Notes provides a markdown-ready space for detailed writing. Updates lets users post status updates to private groups.

    ★ 5.010 ratingsProductivityFreeData updated 2026-09-06
    App details

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.