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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.

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
#16in 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

Room to Improve

  • 🐛 Videos/audio not working
  • 🐛 Bookmarking issues
  • 🐛 Glitchy navigation
Master Electrician Ref. Lite#2

Master Electrician Ref. Lite by PawEng, LLC

A handbook for electricians
Strong Contender
📊 Productivity
4.7(2.4K 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

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

More Ugly Book apps to explore

4
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
Southwire® Conduit Fill Calc
by Southwire Company
Free

This tool assists electricians, engineers, and contractors in determining the correct conduit size based on NEC guidelines. It calculates conduit fill percentages and jam probability, saving time compared to manual calculations.

Conduit size calculationNEC fill percentagesJam probability
🔧 Utilities
(746)
free
5
Electrical Code-A-Day
Electrical Code-A-Day
Electrical Code-A-Day
Quiz for Electricians
Free

Test your electrical knowledge daily with a new question based on the US electrical code. Perfect for apprentices, journeymen, and masters seeking to learn or refresh their understanding of electrical concepts and regulations.

Daily electrical code questionsQuestions written by a real electricianCovers a wide range of electrical topics
📊 Productivity
(8.6K)
free
6
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Mike Holt's Electrical Toolbox
Electrical Power Calculator
Free

This app provides essential calculations for electricians, inspectors, contractors, and engineers. It helps determine conductor sizing, circuit protection, race sizing, and grounding conductor sizes for various electrical equipment and services.

Conductor sizingVoltage drop limitationsCircuit protection sizing
🔧 Utilities
(197)
free
7
阳光志愿
阳光志愿
阳光志愿
高考志愿填报神器，附带2026各院校专业分数线预估
Free
📚 Education
(1)
8
Electrical Troubleshooting MS
Electrical Troubleshooting MS
Electrical Troubleshooting MS
Are you a good troubleshooter?
Free

Learn to troubleshoot electrical circuits with a virtual voltmeter and PLC logic. This app offers 17 random electrical problems for a challenging learning experience, allowing you to practice identifying issues in motor starters and control circuits.

17 random electrical problemsVirtual voltmeter with probesAnimated motor starter
📚 Education
(62)
free
9
NEC Electrical Exam by Dakota
NEC Electrical Exam by Dakota
NEC Electrical Exam by Dakota
NEC Practice Test Questions
Free

Prepare for your electrical licensing exams with a vast library of practice questions, detailed explanations, and AI-powered assistance. Track your progress and identify weak areas to study more effectively for Journeyman, Master Electrician, and Contractor exams.

Over 3000 exam questionsAI tutor for step-by-step helpPractice specific exam topics
📚 Education
(372)
free with in-app purchases
10
Wire Color Code
Wire Color Code
Wire Color Code
Electrical circuit colors
Free

This app helps electricians and DIYers identify electrical wire colors globally. It offers country-specific codes, a large circuit database, and quick search functionality. Customize colors for your projects and enjoy a user-friendly interface for efficient electrical panel wiring.

Global country-specific wire color codesExtensive circuit database (up to 1000 circuits)Quick search for phase colors
📊 Productivity
(654)
free with in-app purchases
11
ELO AI: Dating App Assistant
ELO AI: Dating App Assistant
ELO AI: Dating App Assistant
Hinge, Tinder & Bumble Coach
Free

Enhance your dating profile with AI-powered analysis. Get personalized feedback on your photos and bio to improve your match potential and stand out. Understand what makes a successful profile and unlock your dating opportunities.

AI-powered profile analysisPhoto-by-photo scoringBio and text content evaluation
🌟 Lifestyle
(80)
free with in-app purchases
12
Ugly Duckling - Interactive Book iBigToy
Ugly Duckling - Interactive Book iBigToy
Ugly Duckling - Interactive Book iBigToy
by iBigToy inc.
Free

Experience the classic "Ugly Duckling" story with interactive animations and professional narration. Children can engage with characters and elements on each page, offering a unique multimedia reading adventure. Features a sleep mode for audio playback.

Interactive animations on each pageClassic story with multimedia elementsTouch and slide interactions with characters
📚 Education
(1)
free
13
The Ugly Duckling Book
The Ugly Duckling Book
The Ugly Duckling Book
Interactive Story & Activities
Free

This interactive storybook brings a classic fairy tale to life with engaging animations and sound effects. Children can participate in various activities, learn the story through read-to-me or read-it-myself modes, and enjoy a beautiful narrative.

Interactive story activitiesHD illustrations"Read to Me" narration
📚 Books
(7)
free with in-app purchases
14
SkillCat: EPA 608 & HVAC
SkillCat: EPA 608 & HVAC
SkillCat: EPA 608 & HVAC
Accredited Online Trade School
Free

This app offers accredited online trade school courses and certifications for HVAC, plumbing, electrical, and more. Learn at your own pace, on your phone, and earn valuable credentials like EPA 608 and OSHA-10 without traditional school debt.

EPA 608 & 609 CertificationAccredited Trade School DiplomasOSHA-10 Certification
📚 Education
(8.2K)
subscription
15
Ugly Test
Ugly Test
Ugly Test
by First Class Media B.V.
Free

This entertainment app simulates scanning people to determine their "ugliness." Users can control the scan results to prank friends and family with animated graphics and sound effects.

Fool friends and familyControl scan resultsAnimated HD graphics
🎬 Entertainment
(96)
free with in-app purchases
16
Electrician Exam Prep 2026
Electrician Exam Prep 2026
Electrician Exam Prep 2026
Pass Electrician License Exam
Free

Prepare for your Journeyman Electrician license exam with expert-designed content. This app offers over 1,400 practice questions, simulated exams, and personalized study plans to boost your confidence and help you pass on your first attempt.

1,400+ specialized questionsDetailed explanationsSimulated exam quizzes
📚 Education
(85)
free with in-app purchases
17
Ugly Tattoo Inc.
Ugly Tattoo Inc.
Ugly Tattoo Inc.
by David Avazashvili
Free

Become a master tattoo remover, satisfying customers by erasing unwanted designs. Upgrade your salon and business as you progress through increasingly challenging removal jobs.

Tattoo removal gameplayCustomer satisfaction goalsSalon upgrades
🎮 Games
(2)
free
18
I Love Ugly US
I Love Ugly US
I Love Ugly US
Quality Goods
Free

Discover and shop premium streetwear from an internationally recognized brand. Explore unique designs and stay connected with the brand's community through this dedicated app.

Shop premium streetwearExplore unique designsConnect with the brand community
🛍️ Shopping
(185)
free with in-app purchases
19
Electrical Calculator lite
Electrical Calculator lite
Electrical Calculator lite
60 Calculators & 16 Converters
Free

This comprehensive tool offers over 60 calculators and 16 converters for electrical engineering, wiring, and circuit analysis. It supports engineers, electricians, students, and hobbyists with calculations ranging from basic Ohm's Law to complex RLC circuits and power conversions.

60+ Electrical Calculators16 Electrical Unit ConvertersOhm's Law Calculations
🔧 Utilities
(565)
free with in-app purchases
20
Electrician Handbook — Basics
Electrician Handbook — Basics
Electrician Handbook — Basics
Electric circuit, voltage, ohm
Free
$5.99 | 100% OFF

This app provides electricians, students, and installers with essential electrical theory, interactive diagrams, and practical calculators. It includes a community forum for users to share knowledge and seek advice, all accessible offline without ads or subscriptions.

Electrical theory topicsInteractive circuit diagramsCalculators and formulas
🔍 Reference
(965)
free