LXVII app icon

Apps Like LXVII for iPhone and iPad

HP-67 RPN calculator emulator for OS X.

The app emulates the HP-67 RPN programmable calculator. It offers multiple active calculators, full memory visibility, and a paper tape register with various modes.

by Nick Tamburri★ 0.00 ratingsUtilitiesFreeData updated 2026-09-20

LXVII screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. Breaker Box: Panel Directory app icon

    Breaker Box: Panel Directory

    Brett Pappas

    Create legends with color labels and options

    Create legends with customizable color labels for phases, tandem breakers, and 3-pole breakers. Adjust legend size for printing on sleeves or door tape. Export as needed.

    ★ 4.499 ratingsUtilitiesFreeData updated 2026-09-17
  2. CALC 1 Programmable Calculator app icon

    CALC 1 Programmable Calculator

    Roger Carey

    Create calculators with AI-generated functions

    Customize calculators for precise calculations. Create function calculators using AI-generated JavaScript code. Add functions to the list and test them before use. Perform complex computations with formulas.

    ★ 4.69 ratingsUtilities$9.99Data updated 2026-09-17
  3. My Graphing Calculator Lite app icon

    My Graphing Calculator Lite

    Gamal Saeed Shaalan

    Scientific calculator with powerful graphing functions.

    The app provides a scientific calculator with a history tape and graphing capabilities for up to four functions. Users can zoom, pan, and trace graphs, and view function values in a table.

    ★ 4.05 ratingsEducationFreeData updated 2026-10-10
  1. Team Shake app icon

    Team Shake

    Rhine-o Enterprises LLC

    Form teams for games, events, and projects

    Create and manage teams for games, events, or projects. Balance teams by skill or gender. Import users from files. Share teams via email or Facebook. Enable video output. Support iPad.

    ★ 4.91,572 ratingsEducation$1.99Data updated 2026-11-01
  2. RPN Calculator free app icon

    RPN Calculator free

    Benjamin Pisano

    Scientific calculator with RPN mode.

    The app offers scientific calculator functions and RPN mode for fast calculations. Its uncluttered interface uses the RPN system favored by engineers and scientists.

    ★ 1.01 ratingsUtilitiesFreeData updated 2026-10-04
  3. Print Calculator app icon

    Print Calculator

    Richard Silverman

    Save calculations and history

    Upgrade your free with paper tape history for reviewing and editing past calculations. or export the history to iBooks, Dropbox, email, or . Save and retrieve files, add comments, and modify entries. The iPad version includes a full-sized keypad.

    ★ 4.334 ratingsUtilitiesFreeData updated 2026-09-18
  4. 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
  5. CmdRef app icon

    CmdRef

    Moballo, LLC

    Search CMD commands offline and view help

    Provides offline access to a searchable Windows CMD dictionary. Look up command syntax, parameters, and descriptions. Navigate through categories and search for specific commands. No command execution or emulation is allowed.

    ★ 4.344 ratingsReferenceFreeData updated 2026-09-09
  6. RPN-70 HD app icon

    RPN-70 HD

    Willy Kunz

    Simulate financial calculations with precision

    Simulates a financial calculator with loan amortization, saving plans, depreciation, and other financial calculations. Users can perform reverse Polish notation input, manage complex equations, and access detailed financial functions.

    ★ 5.03 ratingsProductivityFreeData updated 2026-09-08
  7. RPN Calculus app icon

    RPN Calculus

    Thomas Braun

    Scientific RPN calculator for iPad.

    The app performs calculations with up to 15 digits of precision and supports a number range from -1E127 to 1E127. It includes a database of over 120 scientific constants that users can extend.

    ★ 4.01 ratingsUtilities$1.99Data updated 2026-09-14
  8. Janus Calculator app icon

    Janus Calculator

    Geoffrey Domm

    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.

    ★ 2.01 ratingsProductivityFreeData updated 2026-09-14
  9. Ruler / Measuring Tape app icon

    Ruler / Measuring Tape

    Clafou Ltd

    Measure with your screen

    Measure objects using screen size, augmented reality, or printed rulers. Place virtual on surfaces with ARKit. Print rulers via AirPrint. Compare printed results with on-screen measurements. No ads, in- purchases, or tracking.

    ★ 4.4223 ratingsUtilitiesFreeData updated 2026-09-13
  10. Personal Diary (Journal) App app icon

    Personal Diary (Journal) App

    Wern Jie Lim

    Write entries and save them securely

    Keep journal entries with text, images, and voice recordings. Organize entries by date and search across devices. Sync with iCloud. Add tags and notes. Export entries as PDF or text files. Share entries via email or social media.

    ★ 4.4106 ratingsLifestyleFreeData updated 2026-09-10
  11. All in One Calculator app icon

    All in One Calculator

    Ramon Rivas

    Calculate, edit, and track equations

    Allows users to perform basic and advanced mathematical operations. It includes a sidebar and tab bar for navigation and data sharing. Users can drag and drop entries to create new windows or use the context menu to generate new windows.

    ★ 4.6185 ratingsProductivityFreeData updated 2026-09-08
  12. GPS Measure - Area & Length app icon

    GPS Measure - Area & Length

    Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.

    Distances and areas with GPS

    Distances and areas using satellite images. Tap the map to add markers and calculate distances or enclosed areas. Search for addresses to locate measurement points. Support multiple units including square feet and square meters.

    ★ 4.7371 ratingsProductivityFreeData updated 2026-09-06
  13. UltraNotes - Note Taking & PDF app icon

    UltraNotes - Note Taking & PDF

    Skyjos Co., Ltd.

    Create notes with covers and templates

    Take notes with handwriting, typing, or PDF annotations. Use customizable covers and templates. Choose from 10+ pens and brushes. Adjust pen thickness and color. Draw shapes and lines. Export notes in multiple formats.

    ★ 4.7111 ratingsProductivityFreeData updated 2026-09-06
  14. BoardNotes: Notes&PDF&Mindmap app icon

    BoardNotes: Notes&PDF&Mindmap

    朝民 肖

    Take notes, sketch, and organize ideas

    Take handwritten notes with customizable pens, including Chinese-specific tools like a fountain pen and laser pointer. Create and organize notes in a whiteboard, notebook, PDF, mind map, or flashcards format. Sync and share notes across devices.

    ★ 4.799 ratingsProductivityFreeData updated 2026-09-06

How we rank alternatives

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