Comparison

Ugly's Electrical References vs Electronics Toolkit calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ugly's Electrical References

This app provides electricians and electrical professionals with up-to-date digital information based on the National Electrical Code. It includes formulas, wiring diagrams, conduit bending guides, and calculators for various electrical calculations. The app is designed for on-the-job reference and works offline.

Highlights
  • NEC 2026 updates
  • Mathematical formulas and calculators
  • Conduit bending guide with videos
  • Ampacity and conduit fill information
  • Wiring diagrams
  • Conversion tables
  • Works offline
Features
Read full description

The Ugly's Electrical References App has been updated to reflect changes to the 2026 National Electrical Code (NEC) and the 2026 Edition of our popular Ugly’s Electrical References book. The Ugly’s App offers the most pertinent, up-to-date digital information for electricians, including table change information, mathematical formulas; National Electrical Manufacturers Association (NEMA) wiring configurations; a conduit bending guide with videos, ampacity and conduit fill information, transformer and control circuit wiring diagrams, and conversion tables. The 2026 Edition: * Reflects changes to the 2026 NEC * Features expanded coverage of the following topics: * Full-load currents for 3-phase transformers  * Maximum number of conductors in electrical metallic tubing for trade sizes 5 and 6  * Equipment grounding conductors  * General lighting loads for non-dwelling occupancies  * Overview of important NEC code changes from 2020, 2023 and 2026  Electricians and electrical professionals have used ‘Ugly’s Electrical References’ book as their on-the-job reference for over 35 years. This app will serve you even better in the field today.  FEATURING Calculators and Interactive Features • Ohm’s Law Calculator • Voltage Drop Calculator • Ampacity Calculator • To Find: Amps, Watts, Horsepower, KVA • To Find: Inductance, Impedance, Reactance • Three-phase AC Motor Data: Starter, Breaker, Heater, Wire, and Conduit Size • Power Factor Correction • Full Load Current for Motors and Transformers • Locked-Rotor Current Calculator • Offset Bending Calculator • Conduit Fill Calculator • Conversions for Area, Length, Temperature, Time, Volume, and Weight • NEMA Wiring Configurations *Pinch & Zoom for improved readability *Conduit Bending Video Tutorials *Search function helps you quickly find what you need to know *NEC Updater outlines and explains changes to the National Electrical Code© *Electrical Safety including definitions, boundaries, procedures, PPE guidance, and life-saving *First aid procedures *Blueprint symbol identifier *Bookmark your commonly used screens *High-definition images and interactive tables that can be zoomed in for detail *Works offline *Great for electricians, students, engineers, contractors, maintenance workers, and military Interested in a buying more than one copy of the Ugly’s Electrical Reference app for your commercially owned devices? Please email info[at]uglys[dot]net for details on volume purchases. Privacy Policy - http://www.jblearning.com/privacy/ Terms of Service - http://www.jblearning.com/use/ Support – http://www.uglys.net/appsupport The Ugly’s Electrical Reference app is part of the popular Ugly’s Professional Reference® series, which is an imprint of Jones & Bartlett Learning. National Electrical Code and NFPA 70 are registered trademarks of the National Fire Protection Agency and are not associated with Ugly’s Electrical References in any way.

About

Electronics Toolkit calc

Features
Read full description

Electronics Calculator is a complete engineering toolkit designed to help students, hobbyists, and professionals perform accurate electronic circuit calculations quickly and easily. Whether you are studying electronics, building circuits, or working on design projects, this app provides all the essential calculators you need in one place. Simplify complex formulas, save time on manual calculations, and improve design accuracy with an intuitive and easy-to-use interface. Key Features Ohm’s Law Calculator Instantly calculate voltage, current, resistance, and power for quick circuit analysis. Resistor Color Code Reader Decode resistor color bands to identify resistance values and tolerance with ease. Capacitor & Inductor Calculators Compute capacitance, inductance, energy, charge, and time constants for accurate component selection. LED Resistor Calculator Find the correct resistor value for LED circuits to ensure proper brightness and safe operation. Series & Parallel Resistor Tools Calculate equivalent resistance for complex resistor networks quickly. Voltage & Current Divider Calculators Design efficient circuits by accurately determining voltage and current distribution. Frequency & Timing Calculations Perform essential time and frequency computations for oscillators, timers, and signal circuits. Decibel (dB) Converter Convert power and voltage ratios into decibels for signal and communication analysis. Why Choose Electronics Calculator? Multiple electronics calculators in one app Fast, accurate, and easy-to-use tools Ideal for students, technicians, and engineers Works offline anytime for quick reference Make your electronic calculations faster, easier, and more reliable with Electronics Calculator, the all-in-one companion for circuit design and learning.

Screenshots

Ugly's Electrical References4 screens
Electronics Toolkit calc4 screens

Verdict

The call

The clearest difference is price: Electronics Toolkit calc at $4.99 against Ugly's Electrical References's $12.99. Electronics Toolkit calc also leads on iOS requirement (13.0 vs 17). Ugly's Electrical References's advantage is chart position (#5 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Ugly's Electrical References costs $12.99 and Electronics Toolkit calc $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Ugly's Electrical References ships an update every 3 months, Electronics Toolkit calc every 4 months. The most recent releases landed on October 2, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 8 level
Ugly's Electrical References versus Electronics Toolkit calc: the parameters behind the verdict, then further details
ParameterUgly's Electrical ReferencesElectronics Toolkit calc
Price$12.99$4.99 — better
Rating4.4 (1.5K ratings) — better—
Positive reviews47.1% of reviews—
Number of ratings1.5K — better—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#5 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS1713.0 — better
Further details — not scored
Size63 MB25 MB
Age rating9+4+
DeveloperInformed PublishingKantaben Gorasiya

Bugs and requests

Ugly's Electrical References

Reported bugs

4 issues
  • Videos not playing
  • Bookmarks not working correctly
  • Navigation issues causing app crashes
  • Incorrect calculation results

Requested features

5 requests
  • Zoom functionality
  • Better search capabilities
  • Spanish language support
  • Offline access to full content
  • Improved bookmarking system

Electronics Toolkit calc

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ugly's Electrical References

No in-app purchases

None

Electronics Toolkit calc

No in-app purchases

Questions

Is Ugly's Electrical References free?
Ugly's Electrical References costs $12.99, with no in-app purchases.
Is Electronics Toolkit calc free?
Electronics Toolkit calc costs $4.99, with no in-app purchases.
Do Ugly's Electrical References or Electronics Toolkit calc have ads?
Neither Ugly's Electrical References nor Electronics Toolkit calc shows ads.
Which is updated more often, Ugly's Electrical References or Electronics Toolkit calc?
Ugly's Electrical References ships an update every 3 months, and Electronics Toolkit calc every 4 months. Most recently, Ugly's Electrical References was updated on October 2, 2026 and Electronics Toolkit calc on September 13, 2026.

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