# HAM Test Prep Lite vs SatNOGS

The clearest difference is rating: SatNOGS at 5.0 against HAM Test Prep Lite's 4.4. SatNOGS also leads on monetization model (free vs free with in-app purchases). HAM Test Prep Lite's advantage is ratings volume (47 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SatNOGS holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: HAM Test Prep Lite has 47 ratings behind it against 4, so its average is the more settled of the two.

HAM Test Prep Lite ships an update every 7 months, SatNOGS every 5 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HAM Test Prep Lite | SatNOGS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (47 ratings)](https://appshunter.io/ios/app/ham-test-prep-lite-general/id303413935/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/satnogs/id1669797826/reviews)** |
| Number of ratings | **47** | 4 |
| Positive reviews | 89.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 48 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Patrick J Maloney LLC](https://appshunter.io/developer/297951499) | [Victor Belov](https://appshunter.io/developer/1356487489) |

## What reviewers say

### HAM Test Prep Lite

[App page](https://appshunter.io/ios/app/ham-test-prep-lite-general/id303413935)

Prepare for your Amateur Radio General license exam with practice questions and mock tests. Review FCC rule text and track your proficiency across question groups. This lite version includes a subset of the full question pool.

**Highlights:** General question pool practice, Practice exams, Proficiency tracking, Immediate feedback option, View FCC rule text, Zoomable figures, Dark mode support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to learn and use
- 👍 Great for studying for exams
- 👍 Helpful for Technician and General licenses
- 👍 Mobile and convenient for on-the-go studying
- 👍 Provides confidence for tests

**What reviewers complain about**

- 👎 Free version is limited
- 👎 Only a subset of questions in free version
- 👎 Some questions lack necessary images (schematics)
- 👎 Not all test questions were in the study material
- 👎 App crashed iPod

**Reported bugs**

- App crashed iPod
- Some questions ask about schematic symbols but the necessary picture is not shown

**Requested features**

- Include schematic symbol images for relevant questions
- Consider a UK version


### 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


## Frequently asked questions

### Is HAM Test Prep Lite free?

HAM Test Prep Lite is free to download, with no in-app purchases.

### Is SatNOGS free?

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

### Which has better reviews, HAM Test Prep Lite or SatNOGS?

SatNOGS is rated higher. HAM Test Prep Lite averages 4.4 out of 5 from 47 ratings, while SatNOGS averages 5.0 from 4 ratings.

### Do HAM Test Prep Lite or SatNOGS have ads?

Neither HAM Test Prep Lite nor SatNOGS shows ads.

### Which is updated more often, HAM Test Prep Lite or SatNOGS?

HAM Test Prep Lite ships an update every 7 months, and SatNOGS every 5 months. Most recently, HAM Test Prep Lite was updated on October 22, 2026 and SatNOGS on October 16, 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.*