# 维佳001 vs 海燕学习数字资源

The clearest difference is in-app purchases: 维佳001 at none against 海燕学习数字资源's 10. 维佳001 also leads on iOS requirement (9.0 vs 12.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 海燕学习数字资源 sells 10 one-off in-app purchases. 维佳001 asks for nothing beyond the download.

维佳001 ships an update every 3 weeks, 海燕学习数字资源 every 5 weeks. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 维佳001 | 海燕学习数字资源 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 137 MB | 335 MB |
| Requires iOS | **9.0** | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Luoyi network technology Co. Ltd.](https://appshunter.io/developer/1341270049) | [Beijing Zhihuiliu Education Technology Co., Ltd.](https://appshunter.io/developer/1033400900) |

## What reviewers say

### 维佳001

[App page](https://appshunter.io/ios/app/001/id1380855507)

**Features:** macOS Compatibility

**In-app purchases:** none


### 海燕学习数字资源

[App page](https://appshunter.io/ios/app/id1447842886)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 12个月时效课程I使用权 | $4.99 | one-time |
| 12个月时效课程J使用权 | $6.99 | one-time |
| 12个月时效课程M使用权 | $8.99 | one-time |
| 12个月时效课程L使用权 | $9.99 | one-time |
| 12个月时效课程H使用权 | $11.99 | one-time |
| 12个月时效课程N使用权 | $12.99 | one-time |
| 12个月时效课程P使用权 | $23.99 | one-time |
| 12个月时效课程E使用权 | $29.99 | one-time |
| 12个月时效课程F使用权 | $46.99 | one-time |
| 12个月时效课程G使用权 | $59.99 | one-time |


## Frequently asked questions

### Is 维佳001 free?

维佳001 is free to download, with no in-app purchases.

### Is 海燕学习数字资源 free?

海燕学习数字资源 is free to download, with in-app purchases available.

### Do 维佳001 or 海燕学习数字资源 have ads?

Neither 维佳001 nor 海燕学习数字资源 shows ads.

### Which is updated more often, 维佳001 or 海燕学习数字资源?

维佳001 ships an update every 3 weeks, and 海燕学习数字资源 every 5 weeks. Most recently, 维佳001 was updated on November 2, 2026 and 海燕学习数字资源 on November 6, 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.*