Topsi app icon

Apps Like Topsi for iPhone and iPad

by TADEJA FIRMAN ZAJC★ 0.00 ratingsEducationFreeData updated 2026-09-06

Ranked alternatives

Showing 421–440 of 1,000 ranked alternatives.

  1. ThePrimes app icon

    ThePrimes

    Damir Kolobaric

    Create prime number formulas on a grid.

    The app presents a game focused on prime numbers and mathematical operations within a 5x8 grid. Players select numbers and operations alternately to construct prime number expressions, with game speed increasing as the score rises.

    ★ 0.00 ratingsGamesFreeData updated 2026-09-17
  2. Chemistry Formula app icon

    Chemistry Formula

    Zluck Solutions

    Study formulas and reactions

    Access formulas, equations, and reaction mechanisms for intermediate students. Add personal notes for revision. Covers physical, inorganic, and organic .

    ★ 5.02 ratingsEducationFreeData updated 2026-09-26
  1. M9 Scientific Calculator Graph app icon

    M9 Scientific Calculator Graph

    Himanshu Nag

    Edit equations, functions, calculate measurements

    Perform advanced calculations with formula editing and recalculation. Generate graphs for complex equations. Support for engineering and computations. Includes graphing capabilities for mathematical functions.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-25
  2. Engineering Survey Calculator app icon

    Engineering Survey Calculator

    V PUGAZHENTHI

    Calculate parameters and units

    Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.

    ★ 5.01 ratingsUtilities$2.99Data updated 2026-09-08

How we rank alternatives

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