Best Operator License Apps

0+ iOS apps curated and reviewed

4.8 avg rating
18 free apps
Updated June 2026

AWWA Opcert Exam Prep is the household name in operator license, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Operator License Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AWWA Opcert Exam PrepAWWA Opcert Exam PrepFree4.5★ (620)YesYesSep 2026
2Wastewater Operator Test PrepWastewater Operator Test PrepFree5.0★ (1)NoNoAug 2026
3Wastewater Operator Exam PrepWastewater Operator Exam PrepFree4.4★ (7)NoYesAug 2026
4Water Operator Exam Prep 2026Water Operator Exam Prep 2026Free4.7★ (14)NoYesAug 2026
5Mobil Crane Operator Exam PrepMobil Crane Operator Exam PrepFree5.0★ (6)NoYesAug 2026
6Water Operator Exam by RocketWater Operator Exam by RocketFree4.8★ (4)NoYesMay 2026
7RandyAIRandyAIFree5.0★ (5)NoYesAug 2026
8InstagramInstagramFree4.7★ (29M)YesYesSep 2026

Top Picks for Operator License

AWWA Opcert Exam Prep#1

AWWA Opcert Exam Prep by American Water Works Association

Water Operator Certification
Editor's Choice
📚 Education
4.5😞(620 ratings)
FreeAdsIn-App Purchases
AWWA Opcert Exam Prep screenshot 1
AWWA Opcert Exam Prep screenshot 2
AWWA Opcert Exam Prep screenshot 3
AWWA Opcert Exam Prep screenshot 4

Prepare for your water operator certification exam with a comprehensive study tool. Access thousands of practice questions, detailed explanations, and progress tracking. Master water treatment, distribution, and wastewater topics to advance your career.

What We Love

  • ✅ Effective study tool for licensing exams
  • 📚 Comprehensive question bank coverage
  • 🌍 Study anywhere accessibility
  • 💪 Helped users pass certification exams

Room to Improve

  • 💰 High pricing ($30-40 for subscription)
  • ❌ Many incorrect answers in question bank
  • 📖 Lack of explanations for non-math questions
  • 🔤 Small, unreadable formula text
  • 🚫 Cannot revisit questions after marking 'I know'
  • 🎯 No grade-level filtering options
  • 📱 Difficult navigation and user interface
  • 🔧 Poor customer support and glitch reporting
  • 🔀 Inconsistent answer explanations
  • 📊 Discrepancy between app rating and actual reviews
  • 🧮 Arbitrary rounding in math problems
Wastewater Operator Test Prep#2

Wastewater Operator Test Prep by Mike Watson

Certification Math Calculator
Strong Contender
📚 Education
5.0(1 ratings)
Free
Wastewater Operator Test Prep screenshot 1
Wastewater Operator Test Prep screenshot 2
Wastewater Operator Test Prep screenshot 3
Wastewater Operator Test Prep screenshot 4

This professional calculator provides 16 essential wastewater treatment calculations for licensed operators, covering Class I through Class IV certification math. It displays formulas and substituted values for easy verification and works completely offline, making it ideal for field use.

Wastewater Operator Exam Prep#3

Wastewater Operator Exam Prep by Alexander Parnev

Unofficial Study Guide & Tests
Worth Considering
💼 Business
4.4(7 ratings)
FreeIn-App Purchases
Wastewater Operator Exam Prep screenshot 1
Wastewater Operator Exam Prep screenshot 2
Wastewater Operator Exam Prep screenshot 3
Wastewater Operator Exam Prep screenshot 4
Wastewater Operator Exam Prep screenshot 5

Prepare for your wastewater treatment operator certification exam with a comprehensive study guide. Access over 1000 practice questions, detailed explanations, flashcards, and an AI tutor to master all five key content areas. Track your progress and simulate exam conditions to ensure you're ready for certification.

More Operator License apps to explore

FAQ about Operator License

What are the best operator license apps for iPhone?
AWWA Opcert Exam Prep tops our operator license apps ranking as of June 2026, with a 4.5-star average from 620 App Store ratings, and it's free to download.
Yes — 18 of the top operator license apps we rank are free to download, including AWWA Opcert Exam Prep and Wastewater Operator Test Prep.
AWWA Opcert Exam Prep shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
This app helps users prepare for their water operator certification exams. It offers a large database of practice questions covering water treatment, distribution, wastewater treatment, and collections, along with detailed explanations and progress tracking tools.
Key features include over 2,800 practice questions developed by industry professionals, detailed answer explanations with equations, progress tracking charts, the ability to filter questions by subject, and video clips for additional context. Users can also reset their progress to study multiple times.