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Best Ugly Book Apps & Games

149+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated June 2026

If you already know Ugly's Electrical References, this is the deeper bench. 149+ ugly book apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Compare top Ugly Book Apps & Games (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Ugly's Electrical ReferencesUgly's Electrical References$12.994.4★ (1.5K)NoNoSep 2026
2Master Electrician Ref. LiteMaster Electrician Ref. LiteFree4.7★ (2.5K)NoNoSep 2026
3Ohm's LawOhm's LawFree4.7★ (165)NoYesJul 2026
4Southwire® Conduit Fill CalcSouthwire® Conduit Fill CalcFree4.5★ (746)NoNoSep 2026
5Electrical Code-A-DayElectrical Code-A-DayFree4.8★ (9.2K)NoNoSep 2026
6Mike Holt's Electrical ToolboxMike Holt's Electrical ToolboxFree4.6★ (197)NoNoAug 2026
7阳光志愿阳光志愿Free5.0★ (1)NoYesMay 2026
8Electrical Troubleshooting MSElectrical Troubleshooting MSFree4.8★ (118)NoNoSep 2026

Top Picks for Ugly Book

Ugly's Electrical References#1

Ugly's Electrical References by Informed Publishing

Editor's Choice
📊 Productivity
4.4😐(1.5K ratings)
$12.99
#15in Productivity
Ugly's Electrical References screenshot 1
Ugly's Electrical References screenshot 2
Ugly's Electrical References screenshot 3
Ugly's Electrical References screenshot 4

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.

What We Love

  • 🚀 Quick reference
  • 👍 Helpful for apprentices and journeymen
  • 👍 Convenient to have on phone
  • 👍 Useful calculators
  • 👍 Great resource

Room to Improve

  • 🐛 Videos/audio not working
  • 🐛 Bookmarking issues
  • 🐛 Glitchy navigation
  • 🐛 Difficult to find information
  • 🐛 Annoying review pop-up
  • 🐛 Clunky interface
  • 🐛 Missing key information from book
Master Electrician Ref. Lite#2

Master Electrician Ref. Lite by PawEng, LLC

A handbook for electricians
Strong Contender
📊 Productivity
4.7(2.5K ratings)
Free
Master Electrician Ref. Lite screenshot 1
Master Electrician Ref. Lite screenshot 2
Master Electrician Ref. Lite screenshot 3
Master Electrician Ref. Lite screenshot 4

This electronic pocket reference guide provides essential information for electrical professionals. It offers calculations, code tables, and detailed sections on motors, ampacities, grounding, and more, all accessible on your mobile device.

Ohm's Law#3

Ohm's Law by Creature Code Mobile, LLC

Worth Considering
🔧 Utilities
4.7😊(165 ratings)
FreeIn-App Purchases
Ohm's Law screenshot 1

This utility app calculates electrical resistance, voltage, and current using Ohm's Law. It provides a quick and easy way to solve electrical formulas for various applications.

What We Love

  • 👍 Extremely user-friendly and intuitive interface
  • ⚡ Fast and accurate calculations
  • 🎯 Simple, focused design with no unnecessary clutter
  • 💰 Free app with minimal ads that don't interfere
  • 🔧 Requires only two values to calculate the rest
  • 📱 Lightweight and always accessible
  • 🙌 No in-app purchases or subscriptions required
  • ✅ Reliable and consistent performance for most users
  • 🎓 Helpful for learning and verification of calculations
  • 🔌 Practical for multiple professional fields (electrical, vaping, HVAC, etc.)

Room to Improve

  • 🐛 Crashes when entering decimal values in multiple fields
  • 🐛 Reset function doesn't work properly after first use
  • ⚠️ App incompatible with newer iOS versions
  • ⚠️ Outdated and hasn't been updated since iOS 6
  • ❌ Limited functionality - single resistor only
  • 🔋 Suspicious cell data usage reported by some users
  • 😞 Ads introduced in recent updates (controversial change)

More Ugly Book apps to explore

FAQ about Ugly Book

What are the best ugly book apps & games for iPhone?
Ugly's Electrical References tops our ugly book apps & games ranking as of June 2026, with a 4.4-star average from 1.5K App Store ratings, and it's priced at $12.99.
Yes — 19 of the top ugly book apps & games we rank are free to download, including Master Electrician Ref. Lite and Ohm's Law.
Ugly's Electrical References has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 149+ ugly book apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app serves as a comprehensive digital reference for electricians and electrical professionals. It provides up-to-date information based on the National Electrical Code (NEC), including formulas, wiring diagrams, conduit bending guides, and various calculators for electrical calculations. It aims to be a convenient on-the-job tool.
Key features include updated information for the 2026 National Electrical Code, a conduit bending guide with videos, ampacity and conduit fill calculations, transformer and control circuit wiring diagrams, and a wide range of calculators for Ohm's Law, voltage drop, and motor data. It also offers a search function, bookmarking, and works offline.