Comparison

Panduit Derate vs Ugly's Electrical References

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

Head to head
About

Panduit Derate

This tool helps determine the maximum allowable lengths for twisted-pair copper patch and horizontal cables in compliant Category 5e, 6, or 6A channels. It allows users to define cables, create multi-cable channels, and validates configurations, providing guidance on length adjustments.

Highlights
  • Define cable type, category, gauge, and length
  • Create single or multi-cable channels
  • Validate channel configurations
  • Information on additional length
  • Guidance on length reduction for invalid channels
Features
Read full description

The Panduit Derate-It mobile app provides customers a tool to determine allowable twisted-pair copper patch and horizontal cable lengths when building a compliant Category 5e, 6, or 6A channel that is comprised of a different cables types and wire gauges. Features: • Define a cable using filtered lists to determine cable type, category, gauge, and length • Create a channel that is made of a single cable or combination of multiple cables • Validates a channel configuration and provides information on additional length that can be added for each cable • Provides length that each cable must be reduced if channel is invalid Disclaimers: Panduit Corp. (“Panduit”) is committed to safeguarding your privacy online. Please read our Privacy Policy to understand how any personal information you provide will be treated. The information contained in this mobile application is intended as a guide of use by persons having technical skill at their own discretion and use. Panduit does not guarantee any favorable results not assume any liability for damages, improper installation, system failures or any other problems in connection with the use of this mobile application.

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.

Screenshots

Panduit Derate2 screens
Ugly's Electrical References4 screens

Verdict

The call

The clearest difference is price: Panduit Derate at Free against Ugly's Electrical References's $12.99. Panduit Derate also leads on rating (5.0 vs 4.4) and iOS requirement (15.0 vs 17). Ugly's Electrical References's advantage is ratings volume (1.5K vs 1) and update cadence (every 3 months vs every 7 months). On 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

Panduit Derate is free to download; Ugly's Electrical References costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Panduit Derate holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Ugly's Electrical References has 1.5K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Panduit Derate ships an update every 7 months, Ugly's Electrical References every 3 months. Both last shipped on November 2, 2026.

Scorecard7 real differences · 4 level
Panduit Derate versus Ugly's Electrical References: the parameters behind the verdict, then further details
ParameterPanduit DerateUgly's Electrical References
PriceFree — better$12.99
Rating5.0 (1 ratings) — better4.4 (1.5K ratings)
Positive reviews—47.1% of reviews
Number of ratings11.5K — better
Update frequencyEvery 7 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank—#8 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17
Further details — not scored
Size36 MB63 MB
Age rating17+9+
DeveloperPanduit Corp.Informed Publishing

Customer experience

Panduit Derate

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Ugly's Electrical References

All ratings1,495 ratings
Positive84.9%
Neutral5.7%
Negative9.4%
Written reviews172 reviews
Positive47.1%
Neutral16.9%
Negative36.0%

Bugs and requests

Panduit Derate

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

Panduit Derate

No in-app purchases

None

Ugly's Electrical References

No in-app purchases

Questions

Is Panduit Derate free?
Panduit Derate is free to download, with no in-app purchases.
Is Ugly's Electrical References free?
Ugly's Electrical References costs $12.99, with no in-app purchases.
Which has better reviews, Panduit Derate or Ugly's Electrical References?
Panduit Derate is rated higher. Panduit Derate averages 5.0 out of 5 from 1 ratings, while Ugly's Electrical References averages 4.4 from 1.5K ratings.
Do Panduit Derate or Ugly's Electrical References have ads?
Neither Panduit Derate nor Ugly's Electrical References shows ads.
Which is updated more often, Panduit Derate or Ugly's Electrical References?
Panduit Derate ships an update every 7 months, and Ugly's Electrical References every 3 months. Most recently, Panduit Derate was updated on November 2, 2026 and Ugly's Electrical References on November 2, 2026.

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