Janus Calculator app icon

Apps Like Janus Calculator for iPhone and iPad

Standard and RPN programmable calculators.

The app provides two calculators: one using Standard Notation and another using Reverse Polish Notation. Both calculators are programmable and include finance and scientific functions, plus 45 physical constants.

by Geoffrey Domm★ 2.01 ratingsProductivityFreeData updated 2026-09-14

Janus Calculator screenshots

Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. iPink Calculator app icon

    iPink Calculator

    Exeersoft Inc

    Calculate, convert, tip, tax

    Perform calculations with a standard , convert currencies, calculate tips, and compute taxes. Input numbers and operators to get results. Share calculations via email.

    ★ 4.3200 ratingsFinanceFreeData updated 2026-09-08
  2. Annuity Calculator - Calc app icon

    Annuity Calculator - Calc

    Phan Nhat Đang

    Calculate accumulation and payout

    Calculate accumulation and payout phases with built-in calculators. Input variables to determine payment amounts and timing. View results for informed financial planning.

    ★ 4.4111 ratingsFinanceFreeData updated 2026-09-06
  1. Rolled Paper Calculator app icon

    Rolled Paper Calculator

    Taizo Yamamoto

    Calculate expenses and track history

    Displays calculations in a scrollable format for easy review. Users can track calculation history, perform basic arithmetic, and use a scientific mode for advanced functions. Input and results are visible simultaneously for accuracy.

    ★ 4.828 ratingsFinanceFreeData updated 2026-09-08
  2. Calculator With History ™ app icon

    Calculator With History ™

    Akhil Dholariya

    Calculate and track your math

    Perform calculations basic arithmetic, complex equations, and scientific functions. View and manage calculation . Customize themes and enable dark mode. Adjust button size for better visibility.

    ★ 4.699 ratingsFinanceFreeData updated 2026-09-06
  3. Calculator & AI Math Solver app icon

    Calculator & AI Math Solver

    AppManage LLC

    Calculate, edit, and track equations

    Perform basic and complex calculations with a minimalist interface. Large buttons and a display show current input and calculation history. Supports portrait and landscape orientation. Includes AI-powered problem-solving for advanced operations.

    ★ 4.843 ratingsUtilitiesFreeData updated 2026-09-06
  4. Memo Calculator - MemoCalc app icon

    Memo Calculator - MemoCalc

    SuperDG Inc.

    Write and calculate notes automatically

    Write memos and perform calculations in a single interface. Enter arithmetic expressions for automatic computation. Use line breaks to create parentheses. Long-press lines to rearrange them.

    ★ 4.913 ratingsLifestyleFreeData updated 2026-09-06
  5. CalcApp - Simple Calculator app icon

    CalcApp - Simple Calculator

    尉 张

    Calculate, convert, and solve equations

    Perform basic arithmetic, scientific calculations, and programmer-specific conversions. Save results to a history log. Switch between different calculation modes and unit conversions.

    ★ 4.728 ratingsUtilitiesFreeData updated 2026-09-12
  6. Pascal: 3-in-1 Calculator app icon

    Pascal: 3-in-1 Calculator

    Andrew Wei

    Calculate, graph, code with precision

    Perform complex calculations with scientific, graphing, and programmer modes. View graphs and equations. Use the Today widget for quick access. Unlock advanced features with in- purchases. Reinstall to reset trial periods.

    ★ 4.023 ratingsProductivityFreeData updated 2026-09-09
  7. Add A Bill app icon

    Add A Bill

    Satya Venkata Krishna Achanta

    Track expenses and share transactions

    Track expenses, money transfers, notes, and checklists. Create groups to share expenses and checklists. Customize privacy settings within groups. Change currency notation. Export personal and group data as needed.

    ★ 4.932 ratingsUtilitiesFreeData updated 2026-09-06
  8. Paper Calc Office app icon

    Paper Calc Office

    Richard Silverman

    Review, email, and timestamp entries

    Calculator with large keys and 4 basic functions for use. Review entries using tape, add comments, timestamp, and email numbers. Bring past entries into current calculations.

    ★ 4.592 ratingsUtilities$0.99Data updated 2026-09-08
  9. Colourpin app icon

    Colourpin

    Variable Technologies, LLC

    Look up NCS colour codes

    The provides color identification using the NCS system. Users can view color notations, compare colors, and access color samples. It includes tools to select and adjust colors based on NCS codes.

    ★ 4.941 ratingsReferenceFreeData updated 2026-09-06
  10. Crown Calc Elite app icon

    Crown Calc Elite

    Cyberprodigy LLC

    Calculate angles and cut mold efficiently

    Helps calculate mold angles for precise cuts. Users input spring angle and other measurements to determine bevel and miter angles. The provides visual guides for setting up compound miter saws. Includes diagrams for accurate positioning during cuts.

    ★ 4.8116 ratingsUtilities$4.99Data updated 2026-09-08
  11. Tip Calculator +++ app icon

    Tip Calculator +++

    Aaron Jubbal

    Calculate tips quickly and accurately

    Calculate tips with customizable percentages and split options. Adjust for tax or multiple people. Save frequently used tip rates. Share calculations via copy or email.

    ★ 4.516 ratingsUtilitiesFreeData updated 2026-09-08
  12. Calculator HD - Scientific app icon

    Calculator HD - Scientific

    Zhuhai Record Yi Technology Co.,Ltd.

    Calculate, solve, and track equations

    Standard performs basic operations like addition, subtraction, multiplication, and division. includes trigonometric functions, power calculations, and constants. Access calculation history. Calculate area for circles and triangles.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

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