# SatNOGS vs Ham Radio Exam

The clearest difference is in-app purchases: SatNOGS at none against Ham Radio Exam's 3. SatNOGS also leads on rating (5.0 vs 4.8). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Ham Radio Exam sells 3 in-app purchases, starting at $1.99 per 7 days. SatNOGS asks for nothing beyond the download.

SatNOGS holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 9 respectively.

SatNOGS ships an update every 5 months, Ham Radio Exam every 3 months. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SatNOGS | Ham Radio Exam |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/satnogs/id1669797826/reviews)** | [4.8 (9 ratings)](https://appshunter.io/ios/app/ham-radio-exam/id6449501964/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 34 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Victor Belov](https://appshunter.io/developer/1356487489) | [Vemento AS](https://appshunter.io/developer/1640040931) |

## What reviewers say

### SatNOGS

[App page](https://appshunter.io/ios/app/satnogs/id1669797826)

Access a global network of satellite ground stations to communicate with satellites and observe their data. The platform is open to all, with public observation results freely distributed. Resources are available for building your own ground station.

**Highlights:** Global ground station network access, Remote ground station operation, Satellite communication, Public observation data access, Ground station building resources

**In-app purchases:** none


### Ham Radio Exam

[App page](https://appshunter.io/ios/app/ham-radio-exam/id6449501964)

Prepare for ham radio licensing exams with comprehensive study materials and mock tests. Master regulations, technical concepts, and radio wave propagation to earn your certifications and join the global radio community.

**Highlights:** Exam-focused study material, In-depth knowledge on regulations and technical aspects, Mock exams for three license classes, Progress tracking system, Review past tests, Simplifies complex concepts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription | $1.99 | per 7 days |
| Pro subscription | $3.99 | per month |
| Full access to all content | $4.99 | one-time |


## Frequently asked questions

### Is SatNOGS free?

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

### Is Ham Radio Exam free?

Ham Radio Exam is free to download, with in-app purchases available.

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

SatNOGS is rated higher. SatNOGS averages 5.0 out of 5 from 4 ratings, while Ham Radio Exam averages 4.8 from 9 ratings.

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

Neither SatNOGS nor Ham Radio Exam shows ads.

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

SatNOGS ships an update every 5 months, and Ham Radio Exam every 3 months. Most recently, SatNOGS was updated on October 16, 2026 and Ham Radio Exam on October 27, 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.*