3rdi app icon

Apps Like 3rdi for iPhone and iPad

by Daisy Pascualvaca PhD and Associates, LLC★ 4.45 ratingsEducationFreeData updated 2026-09-06

3rdi screenshots

Ranked alternatives

Showing 561–580 of 1,000 ranked alternatives.

  1. Hop To It! A Piano Adventure app icon

    Hop To It! A Piano Adventure

    Luke Bartolomeo

    Practice intervals and recognize notes

    Practice interval recognition by listening to pairs of notes and selecting the correct interval. Receive instant feedback and progress tracking. Includes exercises for different skill levels and musical scales.

    ★ 3.76 ratingsEducation$3.99Data updated 2026-09-06
  1. PDX Social History Guide app icon

    PDX Social History Guide

    Elsewise LLC

    Explore stories and places in Portland's

    Explore historical stories about Portland's cultural heritage. Learn about diverse ethnic communities and their contributions. Discover preserved sites and lost neighborhoods through detailed narratives.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-08

How we rank alternatives

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