# Ham Radio Exam vs Odmaster

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.

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.

## The numbers

| Metric | Ham Radio Exam | Odmaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (244 ratings)](https://appshunter.io/ios/app/ham-radio-exam-tech/id601991935/reviews)** | [3.8 (1.1K ratings)](https://appshunter.io/ios/app/odmaster/id1512532413/reviews) |
| Number of ratings | 244 | **1.1K** |
| Positive reviews | **87.9% of reviews** | 28.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 96 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Roy Watson](https://appshunter.io/developer/581033712) | [Guangzhou Billion Leiden Electronic Technology Co., Ltd.](https://appshunter.io/developer/1512532412) |

## What reviewers say

### Ham Radio Exam

[App page](https://appshunter.io/ios/app/ham-radio-exam-tech/id601991935)

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.

**Highlights:** Technician Class license exam preparation, Official question pool review, Topic-specific quizzes, Simulated license examinations, Performance tracking, Find local exam sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✅ 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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- 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

**Requested features**

- 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


### Odmaster

[App page](https://appshunter.io/ios/app/odmaster/id1512532413)

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.

**Highlights:** Program radio with mobile phone, Supports multiple radio models, Convenient and portable programming, Community sharing and interaction, Help Center and direct support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient mobile programming
- 💡 Helpful community features

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Poor account registration process
- 🔋 High battery drain
- 👎 Unreliable Bluetooth connectivity

**Reported bugs**

- Unable to read or write radio data
- Inconsistent behavior across iOS versions
- Login and account issues

**Requested features**

- Support for more radio models
- Ability to save and load custom channel configurations
- Improved user interface and navigation


## Frequently asked questions

### Is Ham Radio Exam free?

Ham Radio Exam is free to download, with no in-app purchases.

### Is Odmaster free?

Odmaster is free to download, with no in-app purchases.

### Which has better reviews, Ham Radio Exam or Odmaster?

Ham Radio Exam is rated higher. Ham Radio Exam averages 4.6 out of 5 from 244 ratings, while Odmaster averages 3.8 from 1.1K ratings.

### Do Ham Radio Exam or Odmaster have ads?

Neither Ham Radio Exam nor Odmaster shows ads.

### Which is updated more often, Ham Radio Exam or Odmaster?

Ham Radio Exam ships an update every 14 months, and Odmaster every 3 weeks. Most recently, Ham Radio Exam was updated on October 23, 2026 and Odmaster on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*