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 221–240 of 1,000 ranked alternatives.

  1. Private Diary & Journal App app icon

    Private Diary & Journal App

    Security app ltd

    Write, reflect, and preserve memories

    Create and organize entries with customizable categories and tags. Set recurring reminders for entries. Encrypt and password-protect notes. Backup and sync data across devices. Share selected entries via email or social media.

    ★ 4.646 ratingsLifestyleFreeData updated 2026-09-06
  2. RPG Notebook: Campaign Manager app icon

    RPG Notebook: Campaign Manager

    Marta Fecio

    Build worlds, manage campaigns, organize notes

    Create and manage RPG campaigns with customizable themes and structured entries. Organize notes using 8 editable sections including text, trackers, and checklists. Access pre-designed templates for common elements.

    ★ 4.046 ratingsEntertainmentFreeData updated 2026-09-06
  1. DropBrain app icon

    DropBrain

    Alexander Brandstedt

    Capture thoughts, organize later

    Capture thoughts instantly without organizing. Write ideas, notes, or reminders directly on the screen. View thoughts in reverse chronological order with new entries at the bottom. Edit, delete, or rearrange entries manually.

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

    Plant Album

    Andrew Nicolle

    Track growth and care progress

    Track growth with photos and notes. Set watering schedules and reminders. Organize multiple plants and gardens. View progress over time with timeline features. Sync data across devices.

    ★ 4.764 ratingsLifestyle$7.99Data updated 2026-09-11
  3. Monologue app icon

    Monologue

    Minima Software LLC

    Type and send journal entries

    Write daily entries as text messages. Group entries by time or create stories. Reply to past entries. Add comments to webpages via Share extension in Safari or other apps. All entries are saved and organized.

    ★ 4.865 ratingsLifestyleFreeData updated 2026-09-08
  4. Filofax app icon

    Filofax

    BUZZWARE TECH PRIVATE LIMITED

    ★ 1.419 ratingsBusinessFreeData updated 2026-09-06
  5. OurFlat: Household & Chores app icon

    OurFlat: Household & Chores

    Felix Gabler

    Manage groceries, split bills, and track

    Create and manage shared shopping lists with real-time updates. Split grocery costs and track expenses. Add calendar events and assign . Use integrated chat and polls for group decision-making.

    ★ 4.654 ratingsProductivityFreeData updated 2026-09-06
  6. Quick Capture - Supasend app icon

    Quick Capture - Supasend

    Pradeep Burugu

    Notes, ideas, and thoughts instantly

    Thoughts, notes, and ideas instantly. Sync with second brain apps for seamless organization. Record voice memos and text notes. Export content to preferred apps. Manage and retrieve notes across devices.

    ★ 4.726 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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