# 前端面试题库 vs 优海云

The clearest difference is in-app purchases: 优海云 at none against 前端面试题库's 6. 优海云 also leads on update cadence (every 2 weeks vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 前端面试题库 sells 6 one-off in-app purchases. 优海云 asks for nothing beyond the download.

前端面试题库 ships an update every 11 months, 优海云 every 2 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 前端面试题库 | 优海云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 weeks** |
| Size | 42 MB | 76 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥利 管](https://appshunter.io/developer/1553028619) | [成都脉讯科技有限公司](https://appshunter.io/developer/1224479540) |

## What reviewers say

### 前端面试题库

[App page](https://appshunter.io/ios/app/id6467690667)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7天体验卡 | $0.99 | one-time |
| 月卡 | $1.99 | one-time |
| 季卡 | $3.99 | one-time |
| 年卡 | $5.99 | one-time |
| 年卡 | $9.99 | one-time |
| 终生卡 | $14.99 | one-time |


### 优海云

[App page](https://appshunter.io/ios/app/id6474599745)

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

**In-app purchases:** none


## Frequently asked questions

### Is 前端面试题库 free?

前端面试题库 is free to download, with in-app purchases available.

### Is 优海云 free?

优海云 is free to download, with no in-app purchases.

### Do 前端面试题库 or 优海云 have ads?

Neither 前端面试题库 nor 优海云 shows ads.

### Which is updated more often, 前端面试题库 or 优海云?

前端面试题库 ships an update every 11 months, and 优海云 every 2 weeks. Most recently, 前端面试题库 was updated on October 7, 2026 and 优海云 on October 16, 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.*