# 科士达光伏+ vs 电子作业票

The clearest difference is iOS requirement: 电子作业票 at 12.0 against 科士达光伏+'s 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

科士达光伏+ ships an update every 3 weeks, 电子作业票 fortnightly. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | 科士达光伏+ | 电子作业票 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 16 MB | 44 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Kstar Science & Technology Co., Ltd.](https://appshunter.io/developer/1460236605) | [东方希望集团有限公司](https://appshunter.io/developer/854873985) |

## What reviewers say

### 科士达光伏+

[App page](https://appshunter.io/ios/app/plus/id1460236606)

**Features:** macOS Compatibility

**In-app purchases:** none


### 电子作业票

[App page](https://appshunter.io/ios/app/id1545079555)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 科士达光伏+ free?

科士达光伏+ is free to download, with no in-app purchases.

### Is 电子作业票 free?

电子作业票 is free to download, with no in-app purchases.

### Do 科士达光伏+ or 电子作业票 have ads?

Neither 科士达光伏+ nor 电子作业票 shows ads.

### Which is updated more often, 科士达光伏+ or 电子作业票?

科士达光伏+ ships an update every 3 weeks, and 电子作业票 fortnightly. Most recently, 科士达光伏+ was updated on September 8, 2026 and 电子作业票 on September 14, 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.*