One & Three app icon

Apps Like One & Three for iPhone and iPad

by Scott Curry★ 5.05 ratingsProductivityFreeData updated 2026-09-06

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. Do It Tomorrow app icon

    Do It Tomorrow

    Francois Thibault

    Plan tasks for the next day

    Plan daily tasks by selecting up to five important activities for the next day. Review and prioritize tasks each evening. Set reminders and track completion progress. Sync across devices for consistent planning.

    ★ 4.54 ratingsProductivityFreeData updated 2026-09-06
  2. PrioriPlanner: Daily TODO List app icon

    PrioriPlanner: Daily TODO List

    Coleton Gorecke

    Organize tasks and manage time efficiently

    Organize tasks with priority levels and due dates. Create and manage to-do lists across multiple projects. Set reminders and track completion progress. Sync tasks across devices and integrate with calendar apps.

    ★ 4.621 ratingsProductivityFreeData updated 2026-09-06
  3. One Task app icon

    One Task

    Sindre Sorhus

    Add tasks and tap to complete

    Display tasks on Home or Lock Screen with a simple widget. Tap to mark tasks as completed. Add tasks manually and rearrange order in settings. No folders, tags, or notes included. Focus on daily completion without additional features.

    ★ 4.621 ratingsProductivity$4.00Data updated 2026-10-06
  4. Tempus: ADHD Planner & To-Do app icon

    Tempus: ADHD Planner & To-Do

    Anh Nguyen

    Track tasks, set reminders, and stay focused

    Plan your day with AI-generated schedules. Create lists and set reminders. Track habits and set routines. Sync calendars and alarms. Organize tasks into manageable workflows. View progress and adjust plans effortlessly.

    ★ 4.948 ratingsProductivityFreeData updated 2026-09-06
  5. Six Things, Priority Tasks app icon

    Six Things, Priority Tasks

    Oren Cohen

    Set reminders and track tasks

    Helps users prioritize tasks by filtering distractions. Set reminders, manage schedules, and track progress. Integrates with calendars and sends notifications. Encourages accountability through structured routines and goal setting.

    ★ 4.99 ratingsProductivityFreeData updated 2026-09-12

How we rank alternatives

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