Ham Radio Exam vs Odmaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ham Radio Exam
Prepare for your Technician Class FCC Amateur Radio License exam. Review official question pools, take topic-specific quizzes, and simulate the actual exam. Track your progress and find local exam sessions.
- Technician Class license exam preparation
- Official question pool review
- Topic-specific quizzes
- Simulated license examinations
- Performance tracking
- Find local exam sessions
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"Ham Radio Exam - Tech" will help the user pass his/her examination for a Technician Class FCC Amateur Radio License. Newly updated to include the question pool for exams administered after 01 July 2026. See "What's new in this version" for installation instructions if you are already using this app prior to upgrading. Ham Radio Exam allows the user to review the correct answers to the official pool of questions that will appear on their Technician license exam. The user can also take quizzes of each topic that will be on the exam as well as take simulated examinations that exactly mimic the license exam that the user will take. The users performance is stored so that the user can track their progress as they continue their preparations. Ham Radio Exam even allows the user to find an examination session near them and to follow ham radio news.
Odmaster
This application allows users to program various radio models directly from their mobile phones, eliminating the need for a computer. It offers a convenient and portable solution for radio programming and includes a community feature for sharing content and interacting with other users.
- Program radio with mobile phone
- Supports multiple radio models
- Convenient and portable programming
- Community sharing and interaction
- Help Center and direct support
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• Use Odmaster to program your radio faster and easier. Multiple radio models are set in the application. At the same time, you can share interesting content on the community page. Bring you a different experience! • • Program radio • (Tips：this function requires a Bluetooth programmer device) • • Program radio with mobile phone instead of computer easily • • Program radio conveniently, anytime and anywhere • • Program multiple models of radios • • Remote programming radio when you don’t know how to program • • Social function • • Can post something interesting on it • • Give someone a like • • Make comments on others posts • • Help&Support • • If you have any problems during using App, you can find the answers in Help Center, or contact us. • • ► Get some programming information in our YouTube website: • https://www.youtube.com/channel/UCW5VMOpgmTdUQq5ZqyIL2hA/videos • ► Contact detail: E-mail: odmaster@tid-china.com • ► Online manual:https://bit.ly/tidmanual
Screenshots
Verdict
The clearest difference is review sentiment: Ham Radio Exam at 88% against Odmaster's 29%. Ham Radio Exam also leads on rating (4.6 vs 3.8). Odmaster's advantage is update cadence (every 3 weeks vs every 14 months) and ratings volume (1.1K vs 244). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ham Radio Exam holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 244 and 1.1K respectively. Written reviews point the same way: 88% of Ham Radio Exam's written reviews are positive against 29% of Odmaster's.
Ham Radio Exam ships an update every 14 months, Odmaster every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Ham Radio Exam | Odmaster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (244 ratings) — better | 3.8 (1.1K ratings) |
| Positive reviews | 87.9% of reviews — better | 28.5% of reviews |
| Number of ratings | 244 | 1.1K — better |
| Update frequency | Every 14 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 96 MB |
| Age rating | 4+ | 17+ |
| Developer | Roy Watson | Guangzhou Billion Leiden Electronic Technology Co., Ltd. |
Customer experience
Ham Radio Exam
Odmaster
User reviews
Ham Radio Exam
From 244 App Store ratingsWhat we love
- ✅ Highly effective for passing technician exam on first attempt
- 🚀 Fast and convenient way to study anytime, anywhere
- 📊 Excellent progress tracking and performance analytics
- 🎯 Focused section-by-section study approach
- 💚 Free app with no paywalls
Room to improve
- 🐛 App crashes when accessing sample/practice tests
- 🐛 App crashes during section quizzes
- 🎨 Poor color contrast in test results display
- 🔄 Sample tests not random enough, repeating questions
- ❌ Some questions have incorrect answer choices
Odmaster
From 1.1K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Convenient mobile programming
- 💡 Helpful community features
Room to improve
- 🐛 Frequent crashes and bugs
- 🔒 Poor account registration process
- 🔋 High battery drain
- 👎 Unreliable Bluetooth connectivity
Bugs and requests
Ham Radio Exam
Reported bugs
10 issues- App crashes when attempting to take sample/practice tests
- App crashes when taking section quizzes
- Sample test completely blanks out when pressed
- Missed questions not clickable in app
- Practice test randomization algorithm shows same questions repeatedly
Show 5 moreShow fewer
- Clipboard access without user consent
- iPhone version not updated with new question pool
- Incorrect answer lettering in some questions
- Some equations displayed incorrectly
- App crashes on startup for some users
Requested features
8 requests- Higher contrast color scheme for test results
- Option to view correct answers without incorrect options
- Separate submit and answer selection actions to prevent accidental clicks
- Review all answers before submitting practice tests
- Better randomization algorithm for practice tests
Show 3 moreShow fewer
- Clickable recommended questions that open the full question
- Dark mode option
- Ability to focus on specific weak areas more easily
Odmaster
Reported bugs
3 issues- Unable to read or write radio data
- Inconsistent behavior across iOS versions
- Login and account issues
Requested features
3 requests- Support for more radio models
- Ability to save and load custom channel configurations
- Improved user interface and navigation
In-app purchases
Ham Radio Exam
No in-app purchases
Odmaster
No in-app purchases
