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Best Radio Operator License Prep Apps

29+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated July 2026

Out of 29+ radio operator license prep apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Radio Operator License Prep Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AWWA Opcert Exam PrepAWWA Opcert Exam PrepFree4.5★ (620)YesYesAug 2026
2Wastewater Treatment Exam PrepWastewater Treatment Exam PrepFree5.0★ (3)NoYesJul 2026
3Water Operator Exam Prep 2026Water Operator Exam Prep 2026Free4.7★ (14)NoYesAug 2026
4Mobil Crane Operator Exam PrepMobil Crane Operator Exam PrepFree5.0★ (6)NoYesAug 2026
5Wastewater Operator Exam PrepWastewater Operator Exam PrepFree—YesYesAug 2026
6Water Distribution Exam PrepWater Distribution Exam PrepFree5.0★ (1)NoYesJul 2026
7Water Operator Exam by RocketWater Operator Exam by RocketFree4.8★ (4)NoYesMay 2026
8Mobile Crane Operator PrepMobile Crane Operator PrepFree—NoYesJun 2026

Top Picks for Radio Operator License Prep

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
Wastewater Treatment Exam Prep#2

Wastewater Treatment Exam Prep by YAUHEN BAHDANOVICH

Certified Operator Test 2025
Strong Contender
📚 Education
5.0(3 ratings)
FreeIn-App Purchases
Wastewater Treatment Exam Prep screenshot 1
Wastewater Treatment Exam Prep screenshot 2
Wastewater Treatment Exam Prep screenshot 3
Wastewater Treatment Exam Prep screenshot 4
Wastewater Treatment Exam Prep screenshot 5

Master wastewater treatment operator certification exams with expert-crafted questions, realistic simulations, and detailed explanations. Track your progress, customize study plans, and stay updated with the latest industry practices to confidently achieve your career goals.

Water Operator Exam Prep 2026#3

Water Operator Exam Prep 2026 by YAUHEN BAHDANOVICH

Certification Practice Test
Worth Considering
📚 Education
4.7(14 ratings)
FreeIn-App Purchases
Water Operator Exam Prep 2026 screenshot 1
Water Operator Exam Prep 2026 screenshot 2
Water Operator Exam Prep 2026 screenshot 3
Water Operator Exam Prep 2026 screenshot 4
Water Operator Exam Prep 2026 screenshot 5

Prepare for your water treatment operator certification exam with practice questions, realistic simulations, and detailed explanations. Track your progress and stay updated with the latest exam materials to build confidence for exam day and your career.

More Radio Operator License Prep apps to explore

4
Mobil Crane Operator Exam Prep
Mobil Crane Operator Exam Prep
Mobil Crane Operator Exam Prep
General Knowledge Mock Test
Free

Prepare for your Mobile Crane Operator exam with practice questions, realistic simulations, and detailed explanations. This study companion helps you master crane operation safety, rigging, and OSHA compliance to advance your career.

Expertly crafted practice questionsRealistic exam simulationsDetailed explanations for answers
📚 Education
(6)
free with in-app purchases
5
Wastewater Operator Exam Prep
Wastewater Operator Exam Prep
Wastewater Operator Exam Prep
Unofficial Study Guide & Tests
Free
💼 Business
(0)
6
Water Distribution Exam Prep
Water Distribution Exam Prep
Water Distribution Exam Prep
Operator Practice Test 2025
Free

Prepare for your water distribution operator certification exam with expert-crafted practice questions and realistic simulations. Track your progress, focus on weak areas, and gain the confidence needed for success in this vital public health role.

Expertly crafted practice questionsRealistic exam simulationsDetailed explanations for each question
📚 Education
(1)
free with in-app purchases
7
Water Operator Exam by Rocket
Water Operator Exam by Rocket
Water Operator Exam by Rocket
Certification Test Prep 2025
Free

Prepare for your Water Operator Certification Exam with comprehensive study tools. Access an extensive question bank, detailed explanations, and personalized progress tracking. Study anytime, anywhere with offline access and expert-led review resources.

Extensive question bankDetailed explanationsCustomizable study modes
📚 Education
(4)
free with in-app purchases
8
Mobile Crane Operator Prep
Mobile Crane Operator Prep
Mobile Crane Operator Prep
NCCCO Core Exam Practice 2026
Free
📚 Education
(0)
9
CAA NCE National Exam 2026
CAA NCE National Exam 2026
CAA NCE National Exam 2026
NCCAA Certification Test Prep
Free

Prepare for the Certified Anesthesiologist Assistant National Certifying Examination with comprehensive study materials, realistic practice tests, and personalized study plans. Track your progress and improve your scores to achieve certification.

Comprehensive study materialsRealistic practice examsProgress tracking and analytics
📚 Education
(1)
free with in-app purchases
10
Forklift Exam Prep 2026
Forklift Exam Prep 2026
Forklift Exam Prep 2026
OSHA Operator Certification
Free
📚 Education
(0)
11
Iowa DOT IA Practice Test Prep
Iowa DOT IA Practice Test Prep
Iowa DOT IA Practice Test Prep
Driving License Permit Ed Exam
Free

Prepare for your Iowa driver's license exam with over 300 practice questions, full mock tests, and instant feedback. Track your progress and get ready to pass your written test with confidence.

300+ practice questionsFull-length mock examsInstant answer explanations
📚 Education
(1)
free with in-app purchases
12
Cosmetology Exam Prep Quiz
Cosmetology Exam Prep Quiz
Cosmetology Exam Prep Quiz
State Board Practice Test
Free
📚 Education
(0)
13
North Dakota DMV Test Prep Pro
North Dakota DMV Test Prep Pro
North Dakota DMV Test Prep Pro
Driving Practice Permit Exam
Free
📚 Education
(0)
14
HMA Radio Practice Test Prep
HMA Radio Practice Test Prep
HMA Radio Practice Test Prep
Ham Radio License Study Guide
Free
📚 Education
(0)
15
Water Treatment Exam Prep 2026
Water Treatment Exam Prep 2026
Water Treatment Exam Prep 2026
Chlorine & CT Calculators
Free
📚 Education
(0)
16
Delaware DMV Practice Test Pro
Delaware DMV Practice Test Pro
Delaware DMV Practice Test Pro
Driving License Permit Prep Ed
Free
📚 Education
(0)
17
Florida DMV Permit Test - 2026
Florida DMV Permit Test - 2026
Florida DMV Permit Test - 2026
Driving License, Permit FL Ed
Free

Prepare for your Florida driver's license exam with over 300 practice questions and full mock tests. Get instant feedback and track your progress to ensure you're ready to pass on your first attempt.

300+ practice questionsFull-length mock examsInstant answer explanations
📚 Education
(3)
free with in-app purchases
18
Massachusetts RMV Driving Test
Massachusetts RMV Driving Test
Massachusetts RMV Driving Test
Practice Prep Permit & License
Free
📚 Education
(0)
19
Sia Licence Exam Prep 2026
Sia Licence Exam Prep 2026
Sia Licence Exam Prep 2026
Door CCTV Guard CP CVIT Test
Free
📚 Education
(0)
20
CT DMV Permit Test 2026
CT DMV Permit Test 2026
CT DMV Permit Test 2026
Driving License, CT Permit Ed
Free
📚 Education
(0)

FAQ about Radio Operator License Prep

What are the best radio operator license prep apps for iPhone?
AWWA Opcert Exam Prep tops our radio operator license prep apps ranking as of July 2026, with a 4.5-star average from 620 App Store ratings, and it's free to download.
Yes — 20 of the top radio operator license prep apps we rank are free to download, including AWWA Opcert Exam Prep and Wastewater Treatment Exam Prep.
AWWA Opcert Exam Prep shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 29+ radio operator license prep apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
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.