# 杰星科教 vs ElectroCalc Pro

The clearest difference is in-app purchases: 杰星科教 at none against ElectroCalc Pro's 1. 杰星科教 also leads on ads (none vs shown) and update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. ElectroCalc Pro sells 1 one-off in-app purchase. 杰星科教 asks for nothing beyond the download.

杰星科教 ships an update monthly, ElectroCalc Pro every 3 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 杰星科教 | ElectroCalc Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Size | 89 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [广东杰星玩具实业有限公司](https://appshunter.io/developer/1580183396) | [DONGSOO LEE](https://appshunter.io/developer/1868670088) |

## What reviewers say

### 杰星科教

[App page](https://appshunter.io/ios/app/id6472266320)

**Features:** macOS Compatibility

**In-app purchases:** none


### ElectroCalc Pro

[App page](https://appshunter.io/ios/app/electrocalc-pro/id6758211193)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is 杰星科教 free?

杰星科教 is free to download, with no in-app purchases.

### Is ElectroCalc Pro free?

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

### Do 杰星科教 or ElectroCalc Pro have ads?

ElectroCalc Pro shows ads; 杰星科教 does not.

### Which is updated more often, 杰星科教 or ElectroCalc Pro?

杰星科教 ships an update monthly, and ElectroCalc Pro every 3 months. Most recently, 杰星科教 was updated on October 27, 2026 and ElectroCalc Pro on October 24, 2026.

---

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