Free42 app icon

Apps Like Free42 for iPhone and iPad

Calculate and print with precision

Perform complex calculations with advanced mathematical functions and programming capabilities. Print results using compatible printers. Save and load calculator sessions. Access open-source code and modify under GNU GPL v2 terms.

by Thomas Okken★ 4.8283 ratingsUtilitiesFreeData updated 2026-09-08

Free42 screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. Authenticator app icon

    Authenticator

    Matt Rubin

    Generate one-time passwords for accounts

    Generate one-time passwords via QR code, URL, or manual entry. Verify accounts with time-based codes. Store authentication secrets locally. Support for multiple accounts and -specific codes.

    ★ 3.7420 ratingsUtilitiesFreeData updated 2026-09-08
  2. ElectriCalc Pro app icon

    ElectriCalc Pro

    Calculated Industries, Inc.

    Calculate and document electrical work safely

    Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.

    ★ 4.9357 ratingsUtilitiesFreeData updated 2026-09-08
  3. Basic Calculator Pro app icon

    Basic Calculator Pro

    SuperDG Inc.

    Calculate, edit, and track entries

    A with simple arithmetic functions. Displays calculation history. Shows current input. Features intuitive design and universal compatibility. No additional features or complex calculations included.

    ★ 4.8699 ratingsUtilities$1.99Data updated 2026-09-09
  1. U Scientific calculator app icon

    U Scientific calculator

    EONSOFT

    Edit equations, calculate functions, solve complex problems

    Perform complex mathematical calculations including trigonometric functions, logarithms, and exponentials. Switch between radians and gradients. Edit equations and save results for future reference.

    ★ 4.319 ratingsUtilitiesFreeData updated 2026-09-13
  2. ChatSecure Messenger app icon

    ChatSecure Messenger

    Chris Ballinger

    Lets you send encrypted messages and calls

    Allows users to send encrypted messages using OTR and OMEMO protocols over XMPP. Users can create accounts on public XMPP servers or connect to their own server. Messages are secured with open source cryptographic libraries.

    ★ 4.2282 ratingsSocial NetworkingFreeData updated 2026-09-08
  3. Construction Calculator Master app icon

    Construction Calculator Master

    Uncaught Exception Inc.

    Calculate and visualize projects

    Perform calculations with math functions and trigonometry. Switch between units like feet, inches, yards, and metric. Visualize measurements and fractions. Track projects with customizable templates. Export results in various formats.

    ★ 4.3433 ratingsUtilitiesFreeData updated 2026-09-06
  4. Jalali/Persian Calendar app icon

    Jalali/Persian Calendar

    Milad Behrooz

    Show Jalali date and day of month

    Display Jalali with current date and day of the month. Show year and month progress. Highlight today's event. Includes beautiful widgets. Open source with available source code.

    ★ 4.339 ratingsUtilitiesFreeData updated 2026-09-06
  5. View Source app icon

    View Source

    Roman Tomjak

    Code with syntax highlighting and search

    Code of websites with syntax highlighting and search. Edit and save code directly. Run HTML, CSS, and JavaScript in a browser. Integrate with Safari for quick access. Share code via email or cloud services.

    ★ 3.461 ratingsUtilitiesFreeData updated 2026-09-10
  6. 2nd Phone Number-Text App,Call app icon

    2nd Phone Number-Text App,Call

    友海 张

    Get a number, call, and text freely

    Send and receive free text messages and make free calls using a virtual number. Generate QR codes, use a calculator, and pick colors. Connect with contacts globally.

    ★ 4.7368 ratingsUtilitiesFreeData updated 2026-09-06
  7. ACalc - Scientific Calculator app icon

    ACalc - Scientific Calculator

    Netviking AB

    Calculate with trigonometric and exponential functions

    Store values by pressing "STO" and selecting a memory slot. Perform basic arithmetic and advanced mathematical functions including sine, cosine, logarithm, and exponential.

    ★ 4.382 ratingsUtilitiesFreeData updated 2026-09-09
  8. MathU RPN Calc app icon

    MathU RPN Calc

    Creative Creek, LLC

    Calculate with RPN and 96 functions

    Perform complex calculations using Reverse Polish Notation. Access over 96 functions including financial, scientific, and engineering operations. Store and recall values. Switch between decimal and hexadecimal modes.

    ★ 5.0135 ratingsFinance$24.99Data updated 2026-09-08
  9. ProxyPin - Open Source Capture app icon

    ProxyPin - Open Source Capture

    Minimalist Network Co., Ltd.

    Scan codes to connect and share traffic

    Developer tools allows scanning codes to connect devices without manual WiFi proxy setup. Supports domain name filtering to intercept specific traffic. Enables JavaScript script writing for request/response processing.

    ★ 4.5113 ratingsDeveloper ToolsFreeData updated 2026-11-08
  10. TUM Campus App app icon

    TUM Campus App

    Technische Universitaet Muenchen

    View lecture schedules and grades

    Access lecture schedules, cafeteria menus, and grades. View room locations and find available spaces. Check personal information and contact support via email.

    ★ 5.02 ratingsEducationFreeData updated 2026-09-06
  11. TLS Inspector app icon

    TLS Inspector

    Ian Spence

    Inspect domains and websites securely

    Input domains or IP addresses to check TLS security. Inspect websites directly from a browser extension. View trust status and certificate details. Identify security issues and device trust relationships.

    ★ 4.8256 ratingsUtilitiesFreeData updated 2026-09-11
  12. Papercraft for Minecraft PE app icon

    Papercraft for Minecraft PE

    KISSAPP, S.L.

    Print skins and share your creations

    Select and print skins directly from the . Organize skins into categories such as New, Top, Girls, Boys, Love, and Youtubers. Export skins for printing on compatible printers. View detailed skin descriptions and creator information.

    ★ 4.6256 ratingsUtilitiesFreeData updated 2026-09-15
  13. OTOUSAN QR app icon

    OTOUSAN QR

    SoftBank Corp.

    Read QR codes with LED.

    The app reads QR codes and displays past scans. It includes an LED flashlight for use in various lighting conditions.

    ★ 4.114 ratingsUtilitiesFreeData updated 2026-09-26
  14. Discounts & Sales calculator app icon

    Discounts & Sales calculator

    AR Code Pte. Ltd.

    Calculate and share prices

    Calculate sale prices after applying percentage . View final price and savings. Add multiple items with different . Share discount results with friends. Subscribe for monthly premium access.

    ★ 4.7172 ratingsShoppingFreeData updated 2026-09-09
  15. Time Calculator × app icon

    Time Calculator ×

    DOUBLE U s.r.o.

    Calculate with precision and ease

    Perform -based calculations with addition, subtraction, multiplication, and division. Input and display in days, hours, minutes, and seconds. Customize format preferences. Convert between different units.

    ★ 4.7288 ratingsUtilitiesFreeData updated 2026-09-16

How we rank alternatives

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