# 知識王LIVE vs 誰是臥底

The clearest difference is update cadence: 誰是臥底 at every 5 weeks against 知識王LIVE's every 3 months. 知識王LIVE's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 知識王LIVE sells 12 one-off in-app purchases and 誰是臥底 sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

知識王LIVE ships an update every 3 months, 誰是臥底 every 5 weeks. Both last shipped on October 16, 2026.

## The numbers

| Metric | 知識王LIVE | 誰是臥底 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (47 ratings)](https://appshunter.io/ios/app/live/id1244019527/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 44.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 101 MB | 21 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BRAVE KNIGHT CO., LTD.](https://appshunter.io/developer/1494317646) | [LiangYu Ko](https://appshunter.io/developer/1758015388) |

## What reviewers say

### 知識王LIVE

[App page](https://appshunter.io/ios/app/live/id1244019527)

Engage in a comprehensive trivia game with enhanced features, new levels, and exciting challenges. Compete in real-time with friends for prizes or host your own trivia events as a game master. This game offers a fun and engaging experience for all ages.

**Highlights:** New levels and questions, Friend battles with real-time competition, Host your own trivia matches, Global challenges, Enhanced graphics and features

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5888金幣 | $1.99 | one-time |
| 快閃特賣 | $1.99 | one-time |
| 寶石禮包 | $1.99 | one-time |
| 小福袋禮包 | $1.99 | one-time |
| 開心分享包 | $2.99 | one-time |
| 16888金幣 | $4.99 | one-time |
| 寶石禮包(中) | $4.99 | one-time |
| 歡樂派對包 | $5.99 | one-time |
| 大福袋禮包 | $5.99 | one-time |
| 超值組合包 | $6.99 | one-time |
| 豪華組合包 | $29.99 | one-time |
| 環遊世界包 | $89.99 | one-time |


### 誰是臥底

[App page](https://appshunter.io/ios/app/id6553973564)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 找出臥底 Pro | $0.99 | per month |


## Frequently asked questions

### Is 知識王LIVE free?

知識王LIVE is free to download, with in-app purchases available.

### Is 誰是臥底 free?

誰是臥底 is free to download, with in-app purchases available.

### Do 知識王LIVE or 誰是臥底 have ads?

Both 知識王LIVE and 誰是臥底 show ads.

### Which is updated more often, 知識王LIVE or 誰是臥底?

知識王LIVE ships an update every 3 months, and 誰是臥底 every 5 weeks. Most recently, 知識王LIVE was updated on October 16, 2026 and 誰是臥底 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.*