Second Brain app icon

Apps Like Second Brain for iPhone and iPad

Organize thoughts and manage ideas

Organize thoughts, ideas, and memories with note-taking and tagging. Create to-do lists and journal entries. Track workout progress and business ideas. Search and categorize content for easy retrieval. Sync across devices for consistent access.

by Simon Jakobsson★ 5.01 ratingsProductivity$3.99Data updated 2026-09-06

Ranked alternatives

Showing 621–640 of 1,000 ranked alternatives.

  1. IdeAI app icon

    IdeAI

    Aleksander Allen

    ★ 4.73 ratingsProductivityFreeData updated 2026-09-06
  1. mite. app icon

    mite.

    mite GmbH

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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