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 741–760 of 1,000 ranked alternatives.

  1. OOG Network app icon

    OOG Network

    Federico Bartoli

    Edit profile, send messages, create groups, post

    Log in to edit company profile, message members and staff, create work groups, send friend requests, post to member journal, receive industry alerts, track project news, view new entries, download members directory.

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06
  2. Nuviame app icon

    Nuviame

    Nuviame Solutions Inc

    ★ 0.00 ratingsLifestyleFreeData updated 2026-09-06
  1. Habgain app icon

    Habgain

    Qounter Studio LLC

    ★ 0.00 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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