Rule of Three - Calculator app icon

Apps Like Rule of Three - Calculator for iPhone and iPad

by Tomas Parizek★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

Rule of Three - Calculator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Calculator HD Pro Lite app icon

    Calculator HD Pro Lite

    Cider Software LLC

    Calculate with dual-line display and multi-line input

    A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review previous entries.

    ★ 4.651,412 ratingsUtilitiesFreeData updated 2026-09-08
  1. Rule of Proportion app icon

    Rule of Proportion

    Glindemann, Sennoun, Langer GbR

    Solve proportions with 3 variables

    Solve problems by entering three of four variables. Perform calculations using the . Store input history and view detailed solutions. Support entering fractions, decimals, and constants. Remove ads for an ad-free experience.

    ★ 4.716 ratingsEducationFreeData updated 2026-09-06
  2. Big Button Calculator Pro Lite app icon

    Big Button Calculator Pro Lite

    Cider Software LLC

    Calculate with dual-line display and color themes

    Calculate with a dual-line display showing input and result simultaneously. Use percentage and backspace functions. Switch between 18 color themes. Enter multi-line equations. Automatically format scientific expressions.

    ★ 4.714,055 ratingsUtilitiesFreeData updated 2026-09-11
  3. Calculator₊ app icon

    Calculator₊

    Impala Studios B.V.

    Calculate, edit, and track equations

    Perform basic arithmetic operations including addition, subtraction, multiplication, and division. Access scientific functions for advanced calculations. Convert units between different measurement systems.

    ★ 4.71,729,318 ratingsUtilitiesFreeData updated 2026-09-08
  4. Calculator HD Pro app icon

    Calculator HD Pro

    Cider Software LLC

    Calculate with dual-line display and multi-line input

    A with dual-line display showing input and result. Supports multi-line equations and tap-to-move cursor. Saves calculation history with timestamps and labels. Allows emailing calculations and swiping to review past entries.

    ★ 4.811,253 ratingsUtilities$9.99Data updated 2026-09-08
  5. Top 3: Daily Focus Tasks app icon

    Top 3: Daily Focus Tasks

    Tomas Parizek

    On three per day

    Task manager limits users to three priority per day. Users can add, complete, and review . are visible only for the current day. No multi-day planning or endless lists. remains on immediate priorities.

    ★ 4.05 ratingsProductivityFreeData updated 2026-09-06
  6. Rule of Proportion PRO app icon

    Rule of Proportion PRO

    Glindemann, Sennoun, Langer GbR

    Calculate proportions with 3 variables

    Solve problems by entering three of four variables. Calculate using the of . Store calculations in a history log. Display detailed step-by-step solutions. Support for fractions and decimals. Allow entry of constants. No advertisements.

    ★ 5.03 ratingsEducation$1.99Data updated 2026-09-06
  7. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

    Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.

    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08
  8. Stash - Rule Based Proxy app icon

    Stash - Rule Based Proxy

    Stash Networks Limited

    Set rules, connect securely, manage proxies

    Manage network traffic with - routing for TCP, UDP, and ICMP protocols. Configure servers and apply rules on domain, IP-CIDR, or User-Agent. Support DNS over TCP, TLS, and HTTPS. Enable MitM, HTTP rewriting, and on-demand connections.

    ★ 4.41,216 ratingsUtilities$5.99Data updated 2026-09-19

How we rank alternatives

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