# HamStudy.org vs CircuitMess Playground

The clearest difference is price: CircuitMess Playground at Free against HamStudy.org's $3.99. CircuitMess Playground also leads on iOS requirement (13.0 vs 16.4). HamStudy.org's advantage is ratings volume (2.7K vs 3) and update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

CircuitMess Playground is free to download; HamStudy.org costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HamStudy.org holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: HamStudy.org has 2.7K ratings behind it against 3, so its average is the more settled of the two.

HamStudy.org ships an update every 3 weeks, CircuitMess Playground every 2 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | HamStudy.org | CircuitMess Playground |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.9 (2.7K ratings)](https://appshunter.io/ios/app/hamstudyorg/id1371288324/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/circuitmess-playground/id6503331731/reviews) |
| Number of ratings | **2.7K** | 3 |
| Positive reviews | 93.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | **#5** | — |
| Size | 30 MB | 117 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Signal Stuff](https://appshunter.io/developer/1371288323) | [CircuitMess](https://appshunter.io/developer/1748967189) |

## What reviewers say

### HamStudy.org

[App page](https://appshunter.io/ios/app/hamstudyorg/id1371288324)

**Currently charting:** #5 Top Paid · Education, #52 Top Paid (US App Store)

This app offers an intelligent study mode that tracks your progress and focuses on areas where you struggle. It allows you to tailor your study to specific chapters and topics from license manuals, with explanations for difficult questions. Practice exams are also available.

**Highlights:** Intelligent study algorithms, Vetted user-submitted explanations, Infinite practice exams, Study all US Amateur Radio question pools, International question pools, Multi-user support, Cross-device progress sync

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great study tool
- 👍 Easy to use
- 🚀 Efficient way to prepare for exams
- 🚀 Comprehensive coverage of exam material
- 👍 Helpful explanations and hints

**What reviewers complain about**

- 🐛 Occasional app freezes
- 👎 Some explanations could be clearer
- 🔋 Battery drain when using app extensively

**Reported bugs**

- Email support not working
- Occasional freezing or crashing

**Requested features**

- Dark mode option
- Ability to clear test history
- More detailed performance analytics
- Spell out acronyms and define technical terms


### CircuitMess Playground

[App page](https://appshunter.io/ios/app/circuitmess-playground/id6503331731)

This app transforms screen time into a trusted, productive learning experience for children. It features a digital helper to guide kids through STEM concepts via interactive games and build/coding guides, with progress tracking and an achievement system.

**Highlights:** Interactive STEM learning games, Build and coding guides, Guide progress tracker, Achievement system, Digital helper character, Customer support access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HamStudy.org free?

HamStudy.org costs $3.99, with no in-app purchases.

### Is CircuitMess Playground free?

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

### Which has better reviews, HamStudy.org or CircuitMess Playground?

HamStudy.org is rated higher. HamStudy.org averages 4.9 out of 5 from 2.7K ratings, while CircuitMess Playground averages 4.7 from 3 ratings.

### Do HamStudy.org or CircuitMess Playground have ads?

Neither HamStudy.org nor CircuitMess Playground shows ads.

### Which is updated more often, HamStudy.org or CircuitMess Playground?

HamStudy.org ships an update every 3 weeks, and CircuitMess Playground every 2 months. Most recently, HamStudy.org was updated on October 19, 2026 and CircuitMess Playground on October 8, 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.*