# 电子星球 vs Electronics Circuit Calc Pro

The clearest difference is price: 电子星球 at Free against Electronics Circuit Calc Pro's $3.99. 电子星球 also leads on iOS requirement (13.0 vs 15.0). Electronics Circuit Calc Pro's advantage is in-app purchases (none vs 6). On update cadence, ads and device support there is nothing between them.

电子星球 is free to download; Electronics Circuit Calc Pro costs $3.99 up front. 电子星球 sells 6 one-off in-app purchases. Electronics Circuit Calc Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 电子星球 | Electronics Circuit Calc Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Paid |
| Size | 70 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tianjin Netbroad Company Limited](https://appshunter.io/developer/1535293924) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### 电子星球

[App page](https://appshunter.io/ios/app/id1435866519)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600星币 | $0.99 | one-time |
| 1800星币 | $2.99 | one-time |
| 6800星币 | $9.99 | one-time |
| 9800星币 | $14.99 | one-time |
| 15800星币 | $22.99 | one-time |
| 28800星币 | $39.99 | one-time |


### Electronics Circuit Calc Pro

[App page](https://appshunter.io/ios/app/electronics-circuit-calc-pro/id1583600520)

This app provides a comprehensive suite of calculators and design tools for electronic engineering projects. It assists with circuit design, filter analysis, and calculations for various components like resistors, capacitors, and inductors. Ideal for both professionals and students, it simplifies complex electronic tasks.

**Highlights:** Circuit design tools, Filter design with graph plotting, Resistor, capacitor, inductor design, Amplifier calculations, Ohm's Law calculator, 555 timer calculator, PCB trace width calculator

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

**In-app purchases:** none


## Frequently asked questions

### Is 电子星球 free?

电子星球 is free to download, with in-app purchases available.

### Is Electronics Circuit Calc Pro free?

Electronics Circuit Calc Pro costs $3.99, with no in-app purchases.

### Do 电子星球 or Electronics Circuit Calc Pro have ads?

Neither 电子星球 nor Electronics Circuit Calc Pro shows ads.

### Which is updated more often, 电子星球 or Electronics Circuit Calc Pro?

电子星球 ships an update every 2 months, and Electronics Circuit Calc Pro every 2 months. Most recently, 电子星球 was updated on November 2, 2026 and Electronics Circuit Calc Pro on November 7, 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.*