Stackis RPN app icon

Apps Like Stackis RPN for iPhone and iPad

by Skimra★ 5.02 ratingsUtilities$0.99Data updated 2026-09-06

Stackis RPN screenshots

Ranked alternatives

Showing 421–440 of 1,000 ranked alternatives.

  1. Oovium app icon

    Oovium

    Aepryus Software

    A new class of calculation sandbox.

    The app is a calculation sandbox that combines calculator, spreadsheet, concept map, and programming language functions. It makes complex abilities accessible through explicit visual representations on a two-dimensional surface called the Aether.

    ★ 5.05 ratingsProductivityFreeData updated 2026-09-12
  2. DetAct Calculator app icon

    DetAct Calculator

    Flashover Engineering AB

    Calculate activation time for detectors and rate

    Calculate activation times for smoke detectors, heat detectors, sprinklers, and rate of rise heat detectors using power-law functions from the SFPE Handbook Fifth Edition. View validation tests and additional information within the .

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  1. Basic Calculator Biz app icon

    Basic Calculator Biz

    Imple, Inc.

    Calculate and view formulas clearly

    Performs arithmetic operations including addition, subtraction, multiplication, and division. Displays full calculation formulas for error detection. Includes standard functions comparable to commercial calculators.

    ★ 5.05 ratingsUtilitiesFreeData updated 2026-09-12
  2. SmartTherm app icon

    SmartTherm

    Dongguan Zhongjin Electronic Technology Co., Ltd.

    ★ 2.65 ratingsUtilitiesFreeData updated 2026-09-13

How we rank alternatives

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