Apps Like goRPN for iPhone and iPad
goRPN screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
Signal - Private Messenger
Signal Messenger, LLC
Send messages and files securely
Send texts, voice messages, photos, videos, GIFs, and files for free. Make encrypted voice and video calls with group support up to 50 people. Create group chats with up to 1,000 members. Share files and media securely.
Duo Mobile
Duo Security LLC
Generate passcodes and receive push notifications
Generate one-time use passcodes for login verification. Receive push notifications for instant authentication. Manage two-factor authentication for multiple apps and websites. Link account to enable secure login features.
RPN Calculator 48
Tom Kerrigan
Calculate with swipe gestures and large buttons
Perform calculations using reverse Polish notation. Swipe to undo or redo operations. Access a 100-entry stack and 6 memory buttons. View large, easy-to-read displays. Save state on exit. Supports scientific functions and multiple undo/redo levels.
Retro 15C
Greg Hewgill
Calculate complex numbers and matrices
Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.
PCalc
TLA Systems Ltd.
Calculate, convert, and program with precision
Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.
Measure Map
Xuan Luong Do
Distance between two points
Distances between two or more points on a map. Place markers to calculate straight-line distance. Sum total distance for multiple locations. View distance in kilometers or miles.
The Best Calculator - Calc Pro
Panoramic Software Inc.
Calculate and manage financial data
Perform complex calculations using 10 built-in calculators including scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting, loans, and investments. Save and share calculation results.
Sonic Tools SVM
Takuji Matsugaki
Analyze sound, vibration, and magnetic fields
Analyze sound with FFT, RTA, and spectrogram views. Display vibration FFT and scope measurements. Measure magnetic field with scope and RMS. Adjust settings and customize analysis parameters. Export data and view real-time waveforms.
Session - Private Messenger
Rangeproof PTY LTD
Send messages anonymously and securely
Create an account without requiring a phone number or email. Send and receive messages through a decentralized server network that ensures no data breaches. Communicate anonymously with no IP address exposure.
Geph
Gephyra OU
Encrypt data and manage keys securely
Secure browsing with zero-knowledge encryption ensures no activity is linked to your identity. All software is open source and available on GitHub. Users can browse privately without account creation or data collection.
Plus42
Thomas Okken
Calculate, program, and solve equations
Perform complex calculations using algebraic expressions and programmable functions. Support unit conversions and attached units. Save and recall variables. Run scripts and access a comprehensive mathematical library. Export results and history.
Stay for Safari
寅 沈
Browse with enhanced interactivity and control
Enhance browsing with customizable toolbars, tab management, and quick access to bookmarks. Add extensions for productivity, privacy, and customization. Sync settings across Apple devices with a single purchase.
MC Status Widget for Minecraft
Tomer Shemesh
Add servers, view , track players
Manage servers by adding them to the . View online , player list, host, port, message of the day, server version, and ping. Check domain SRV records. Server owners can disable player list visibility.
Hiddify Proxy & VPN
Holistic Resilience
Route traffic to a remote server
Route internet traffic through a remote server using VPN-service permissions. Choose and connect to self-hosted or trusted servers. Manage connection settings and monitor network activity.
▸ Calculator +
CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC
Calculate, convert, and solve equations
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
GO-25 SciRPN
Steve Lidie
Calculate with RPN and stack registers
Simulates a programmable scientific calculator with RPN input. Features a 10-digit LED display, four stack registers, and ten storage registers. Includes math, trigonometric, and statistical functions.
MorseChat - Security Messenger
Gang Yang
Send encrypted messages and calls
Secure messaging allows users to send encrypted messages with end-to-end . Register using a fake 8-digit number instead of a phone number. Set a password for login and use a destroy password to erase all data. Connect to a private Morse server.
AdoptMe Values
Touseef Hassan Nasir
Check trades, compare , avoid bad deals
Check adopt me for pets, eggs, and vehicles to evaluate trade fairness. Calculate trade value differences. Compare item worth before accepting trades. Avoid poor trades with accurate pricing data.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.