# Electronics Kit vs Turtle Universe

The clearest difference is in-app purchases: Turtle Universe at none against Electronics Kit's 5. Electronics Kit's advantage is review sentiment (91% vs 67%) and rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Electronics Kit sells 5 one-off in-app purchases. Turtle Universe asks for nothing beyond the download.

Electronics Kit holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 65 and 45 respectively. Written reviews point the same way: 91% of Electronics Kit's written reviews are positive against 67% of Turtle Universe's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Electronics Kit | Turtle Universe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (65 ratings)](https://appshunter.io/ios/app/electronics-kit/id1190014476/reviews)** | [4.6 (45 ratings)](https://appshunter.io/ios/app/turtle-universe/id1455235317/reviews) |
| Number of ratings | **65** | 45 |
| Positive reviews | **91.4% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 120 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Turtle Sim LLC](https://appshunter.io/developer/1568741108) |

## What reviewers say

### Electronics Kit

[App page](https://appshunter.io/ios/app/electronics-kit/id1190014476)

This app offers a comprehensive suite of electronics tools and calculators for hobbyists and professionals. It includes features for component value calculation, pinout diagrams, and various electronic resources. Users can access a free version with ads or a PRO version for enhanced functionality and an ad-free experience.

**Highlights:** Component value calculators, Extensive pinout diagrams, Electronic resource library, SMD resistor code lookup, Ohm's law calculator, RC charging/discharging calculator, Frequency converter

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock no. of components limit | $0.99 | one-time |
| Unlock Pro feature | $1.99 | one-time |
| 'Show steps' in nodal analysis | $2.99 | one-time |
| Unlock controlled sources | $2.99 | one-time |
| 'Show steps' in equivalent cir | $3.99 | one-time |


### Turtle Universe

[App page](https://appshunter.io/ios/app/turtle-universe/id1455235317)

Explore and learn about scientific phenomena through interactive microworlds. Create your own simulations using text or blocks, and engage with a global community of young learners. Discover over 100 scientific models and create computational art and games.

**Highlights:** Explore 100+ scientific models, Create custom microworlds, Code with text or blocks, Investigate phenomena, Engage in global discussions, Create computational art and games

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Electronics Kit free?

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

### Is Turtle Universe free?

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

### Which has better reviews, Electronics Kit or Turtle Universe?

Electronics Kit is rated higher. Electronics Kit averages 4.8 out of 5 from 65 ratings, while Turtle Universe averages 4.6 from 45 ratings.

### Do Electronics Kit or Turtle Universe have ads?

Neither Electronics Kit nor Turtle Universe shows ads.

### Which is updated more often, Electronics Kit or Turtle Universe?

Electronics Kit ships an update every 6 weeks, and Turtle Universe every 6 weeks. Most recently, Electronics Kit was updated on October 10, 2026 and Turtle Universe on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*