Apps Like ThetaCalc for iPhone and iPad
ThetaCalc screenshots
Ranked alternatives
Showing 121–140 of 1,000 ranked alternatives.


CalcXLite
Kazunori Nohara
Scientific calculator with user-defined functions.
The app allows equations to be entered directly as they are written. User-defined functions can be entered, loaded, and saved with names and descriptions.

Pitch Checker: Chromatic Tuner
Shigeki Matsunaka
Record audio and display waveform data
Analyze real-time audio for musical scale, , octave, frequency, and waveform. Measure vocal range and detect Do, Re, Mi. Practice accuracy and tune instruments. Pause analysis to review results. Display waveform and frequency data for voice training.

Codex Calc
Driftwood Studio Software LLC
Calculator adapts to user preferences.
The app offers a calculator with unit conversion, tip calculation, and RPN mode. It features a history tape and adapts to user preferences for button size and interface design.

Visual MATH 4D Lite
Ronny Weidemann
Graph equations in 2D, 3D, and 4D
Allows users to graph mathematical equations in 2D, 3D, and 4D with animations. It supports vectors, matrices, trigonometric functions, and complex numbers. Users can plot cartesian, polar, and parametric equations.

CalcBox -All in One Calculator
Realbyte Inc.
Calculate, convert, and organize tasks
Performs basic arithmetic and scientific calculations. Save equations and results for later. Unit Converter converts units for area, length, temperature, and more. Includes tools for currency exchange, date calculations, and percentage computations.

Converter and Calculator
Cider Software LLC
Convert units and currencies instantly
A and unit/currency with a clean interface. Convert between 500 units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.


1Writer - Markdown Text Editor
Ngoc Luu
Write, research, revise, and share efficiently
Write, research, revise, and share with advanced formatting and support. Edit documents, organize notes, and sync with Dropbox. Customize themes and use keyboard shortcuts for efficient workflow.


Userscripts
Justin Wasack
Run scripts on websites you visit
Save and run custom JavaScript and CSS code on websites. Manipulate pages, block ads, inject styles, and automate tasks. No user tracking. Open source.

iQua2
EcoWater Systems LLC
Monitor water usage and system status remotely
Monitor and control Wi-Fi connected water treatment systems. Track daily, weekly, monthly, and yearly water usage. View current flow rate and days until salt is empty. Turn water on or off remotely.

JavaScript Anywhere JSAnywhere
Tatsuya Tobioka
Pocket programming editor for web engineers.
The app provides a portable editing tool for web engineers and designers. It allows users to write JavaScript, HTML, and CSS source code, preview it on an internal browser, and view console logs or errors.


Bar Is Loaded - Gym Calculator
Danny Li
Calculate plates for your lifts
Calculate barbell loads in kilograms or pounds with a plate . Adjust barbell weight, collars, and plate types. Reverse calculate by adding plates to reach a desired total. Syncs with fitness apps for progress tracking.





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