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



HEIC JPG PNG Image Converter
Kofi Austin
Convert images to any format instantly
Convert files to various formats like PNG, JPEG, GIF, , BMP, and WEBP. Select an , choose the output format, and convert it directly. Save the file and open it within the or share it externally. Supports additional formats in the future.


EZ Calculator 2021
Corntree tech Co.Ltd
Calculate, edit, and track numbers
Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.


Units Free
Piet Jonas
Convert units across multiple categories.
The app converts between units in categories like length, temperature, and weight. It provides access to previous conversions through a history list with color-coded categories.



BiyaPay
Biya Global LLC
Track rates, convert currencies, send money
Track real-time exchange rates and convert between 200+ currencies. Use the smart calculator for forex, cross-border transfers, and stock trading quotes. Manage assets and send/receive payments through the wallet.

Home Builder Pocket Reference
Calculated Industries, Inc.
Access construction guides and calculators
Provides construction information with over 1,500 illustrations, 100 guides on energy-efficient building, and 30 calculators. Users can access topics like construction safety, woodworking methods, concrete placement, and project planning.



Big Digital Clock Widget
Cromulent Labs, Inc
View time in format from afar
Displays a large in StandBy mode with one or two options. Shows current time in format from a distance. Includes styling options available via a one-time purchase. No ads in the free version.

VoiceCalc: AI Voice Calculator
Yeonni Lee
Solve math problems
Allows users to perform calculations by without typing. It solves math problems using AI models like ChatGPT and Gemini. Users can ask for comparisons, bill splits, and percentage discounts. The converts units and time formats instantly.


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.

The Conversion App
Sparrow Development LLC
Convert units, share results, save favorites
Convert units across categories like area, data, fuel mileage, length, power, pressure, speed, time, volume, weight, acceleration, energy, cooking, frequency, and temperature. Add custom units via feedback. Supports iPhone, iPad, and family sharing.

Amount Plus - Unit Converter
Marco Torretta
Convert units, calculate values, organize tasks
Convert units quickly with over 700 options across 30 categories. Customize conversion settings and layouts. Add notes and formulas for calculations. Export results in various formats. Share converted values directly.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.