# Circuit Playground vs Prusa

The clearest difference is price: Prusa at Free against Circuit Playground's $2.99. Prusa also leads on ratings volume (117 vs 19). Circuit Playground's advantage is review sentiment (86% vs 50%) and rating (4.3 vs 4.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Prusa is free to download; Circuit Playground costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Circuit Playground holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Prusa has 117 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 86% of Circuit Playground's written reviews are positive against 50% of Prusa's.

Circuit Playground ships an update every 6 weeks, Prusa every 5 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Circuit Playground | Prusa |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.3 (19 ratings)](https://appshunter.io/ios/app/circuit-playground/id492487671/reviews)** | [4.0 (117 ratings)](https://appshunter.io/ios/app/prusa/id6477531937/reviews) |
| Number of ratings | 19 | **117** |
| Positive reviews | **86.0% of reviews** | 50.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 27 MB | 102 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Adafruit Industries](https://appshunter.io/developer/492487674) | [Prusa Research a.s.](https://appshunter.io/developer/1729557743) |

## What reviewers say

### Circuit Playground

[App page](https://appshunter.io/ios/app/circuit-playground/id492487671)

This app serves as a comprehensive electronics reference and calculation tool. It helps makers and hobbyists by simplifying complex calculations for various circuits, deciphering component codes, and providing essential diagrams.

**Highlights:** Circuit value calculations, Resistor and capacitor code deciphering, Ohm's Law and power calculators, Number and character conversions, Series/parallel component calculations, IC and connector pinout diagrams

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

**In-app purchases:** none

**What reviewers like**

- 👍 Clean, intuitive, easy-to-use interface
- 🚀 Fast load times and responsive performance
- 📚 Comprehensive reference tools and calculators
- 🎯 Resistor and capacitor color code tools
- 📍 Useful pinout references for various boards

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- ⚠️ Outdated and needs regular updates
- ❌ Limited calculator functionality and flexibility
- 🎨 Poor visual design in some areas
- 📱 Compatibility issues with newer iOS versions

**Reported bugs**

- App crashes when opening multiple capacitors section
- LED Resistor Help Menu crashes the app
- Wavelength to Colour slider inoperable until text field activated
- Capacitor code function broken (incorrect default values)
- Number converter only accepts value 50

**Requested features**

- Update USB Type-C connector information
- Add transistor pinouts and HFE values
- Transistor and op-amp calculators
- Voltage divider calculator
- Arduino and Raspberry Pi pinout references


### Prusa

[App page](https://appshunter.io/ios/app/prusa/id6477531937)

Monitor and manage your 3D printers remotely. Control print parameters, receive notifications for print status, and integrate with model repositories and slicing software. Easily add new printers and cameras, with options for cloud or on-premises storage.

**Highlights:** Real-time printer overview, Remote print management, Temperature, speed, flow control, Push notifications, Printables.com integration, EasyPrint slicing integration, NFC printer setup

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

**In-app purchases:** none

**What reviewers like**

- 🔔 Push notifications for finished prints
- 🔍 Ability to monitor printers and print status
- 🌟 Overall great user experience and functionality

**What reviewers complain about**

- 🐞 Bugs and glitches, including issues with offline printers
- 📷 Lack of camera support and monitoring
- 🔍 Suboptimal design for single-printer users
- 🔧 Missing features compared to the website, such as file uploads and statistics


## Frequently asked questions

### Is Circuit Playground free?

Circuit Playground costs $2.99, with no in-app purchases.

### Is Prusa free?

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

### Which has better reviews, Circuit Playground or Prusa?

Circuit Playground is rated higher. Circuit Playground averages 4.3 out of 5 from 19 ratings, while Prusa averages 4.0 from 117 ratings.

### Do Circuit Playground or Prusa have ads?

Neither Circuit Playground nor Prusa shows ads.

### Which is updated more often, Circuit Playground or Prusa?

Circuit Playground ships an update every 6 weeks, and Prusa every 5 weeks. Most recently, Circuit Playground was updated on October 21, 2026 and Prusa on October 25, 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.*