Calculate unknown values in voltage divider circuits with ease. Supports loaded dividers, power dissipation calculations, and finding standard resistor values. Ideal for students, hobbyists, and engineers.






224+ iOS apps curated and reviewed
Out of 224+ voltage divider calculator apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.0★ (1) | Yes | No | Aug 2026 | |
| 2 | Free | 5.0★ (6) | No | Yes | May 2026 | |
| 3 | Free | — | No | Yes | Aug 2026 | |
| 4 | Free | 4.6★ (1.5K) | No | No | Aug 2026 | |
| 5 | Free | 4.9★ (34K) | Yes | Yes | Aug 2026 | |
| 6 | $1.99 | 2.7★ (3) | No | No | Jun 2026 | |
| 7 | Free | 4.7★ (25K) | No | Yes | Aug 2026 | |
| 8 | Free | 4.7★ (12K) | Yes | Yes | Aug 2026 |






Calculate unknown values in voltage divider circuits with ease. Supports loaded dividers, power dissipation calculations, and finding standard resistor values. Ideal for students, hobbyists, and engineers.





This reference app provides essential tools for electronics hobbyists. Calculate resistor and capacitor values, determine LED voltage drops, and access an ASCII table. It features a user-friendly interface and supports various iPhone models.








Calculate the appropriate wire size for electrical circuits. This tool helps determine wire size based on voltage drop and current carrying capacity, ensuring compliance with NEC ampacity limits.


This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.


This engineering utility calculates unknown values in a voltage divider circuit. It can solve for voltages or resistor values, displaying ideal and actual resistor options. It also shows current, power, and voltage tolerance.


This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.


This app is a powerful scientific calculator with graphing capabilities, a formula library, and a unit converter. It offers natural display input, advanced math functions for algebra, calculus, and statistics, and supports various number bases and formats.




This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.


This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.


This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.


This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.


A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.


This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.


This professional tool provides electricians with accurate, code-based electrical calculations for wire sizing, voltage drop, circuit breakers, and more. It includes NEC® code references and specialized calculations for various systems. Save time and ensure accuracy in the field or during planning.


A straightforward calculator app designed for simplicity, offering basic arithmetic operations and percentage calculations. It allows users to record and recall past results, customize colors, and enable touch sounds for a personalized experience.


Calculate voltage drop and wire size using both NEC and IEC standards. Supports various load types, conductor materials, and system configurations. Generates detailed reports for electricians, engineers, and contractors.


A user-friendly calculator app featuring large buttons and customizable colorful backgrounds. It offers a dual-line display, multi-line input for complex equations, and convenient gesture controls for editing and copying.


A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.