# CircuitMess Playground vs Ohmie

The clearest difference is in-app purchases: CircuitMess Playground at none against Ohmie's 4. CircuitMess Playground also leads on ads (none vs shown) and rating (4.7 vs 4.5). Ohmie's advantage is update cadence (every 3 days vs every 2 months) and ratings volume (247 vs 3). On price and device support there is nothing between them.

Both are free to download. Ohmie sells 4 in-app purchases, starting at $7.99 per month. CircuitMess Playground asks for nothing beyond the download.

CircuitMess Playground holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Ohmie has 247 ratings behind it against 3, so its average is the more settled of the two.

CircuitMess Playground ships an update every 2 months, Ohmie every 3 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CircuitMess Playground | Ohmie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/circuitmess-playground/id6503331731/reviews)** | [4.5 (247 ratings)](https://appshunter.io/ios/app/ohmie-learn-electronics/id6779694265/reviews) |
| Number of ratings | 3 | **247** |
| Positive reviews | — | 56.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Best chart rank | — | **#127** |
| Size | 117 MB | 731 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CircuitMess](https://appshunter.io/developer/1748967189) | [OHMIE LLC](https://appshunter.io/developer/1889012870) |

## What reviewers say

### 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


### Ohmie

[App page](https://appshunter.io/ios/app/ohmie-learn-electronics/id6779694265)

**Currently charting:** #127 Top Grossing · Education, #151 Top Free · Education (US App Store)

Learn electronics through engaging, game-like lessons and interactive circuit simulations. Master concepts from basic circuits to embedded systems and robotics with bite-sized daily practice. Progress is tracked on your device with no ads or accounts required.

**Highlights:** Live circuit simulations, Build schematics with real components, Interactive problem-solving lessons, Covers circuits, op-amps, embedded systems, and robotics, Gamified learning with XP and streaks, Progress saved locally, no account needed, Ad-free and tracking-free experience

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ohmie Pro | $7.99 | per month |
| Ohmie Pro Yearly Saver | $19.99 | per year |
| Ohmie Pro | $29.99 | per year |
| Ohmie Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is CircuitMess Playground free?

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

### Is Ohmie free?

Ohmie is free to download, with in-app purchases available.

### Which has better reviews, CircuitMess Playground or Ohmie?

CircuitMess Playground is rated higher. CircuitMess Playground averages 4.7 out of 5 from 3 ratings, while Ohmie averages 4.5 from 247 ratings.

### Do CircuitMess Playground or Ohmie have ads?

Ohmie shows ads; CircuitMess Playground does not.

### Which is updated more often, CircuitMess Playground or Ohmie?

CircuitMess Playground ships an update every 2 months, and Ohmie every 3 days. Most recently, CircuitMess Playground was updated on October 8, 2026 and Ohmie on October 18, 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.*