# 知識問答測驗 vs 海龜湯

The clearest difference is in-app purchases: 海龜湯 at none against 知識問答測驗's 1. 海龜湯 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 知識問答測驗 sells 1 one-off in-app purchase. 海龜湯 asks for nothing beyond the download.

知識問答測驗 ships an update every 4 days, 海龜湯 every 3 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 知識問答測驗 | 海龜湯 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Free |
| Size | 61 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Kwok Chun Hin](https://appshunter.io/developer/446734044) | [Yichun Wang](https://appshunter.io/developer/1874229860) |

## What reviewers say

### 知識問答測驗

[App page](https://appshunter.io/ios/app/id6450145384)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP | $0.99 | one-time |


### 海龜湯

[App page](https://appshunter.io/ios/app/ai/id6763352851)

Engage in a classic lateral thinking puzzle game where you unravel bizarre stories by asking yes/no questions. Piece together clues to discover hidden truths in a variety of word-of-mouth and new mystery scenarios. Ideal for solo play or group brain-twisting fun.

**Highlights:** Lateral thinking puzzles, Yes/No question format, Variety of mystery stories, Solo or group play, Brain-twisting fun

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

**In-app purchases:** none


## Frequently asked questions

### Is 知識問答測驗 free?

知識問答測驗 is free to download, with in-app purchases available.

### Is 海龜湯 free?

海龜湯 is free to download, with no in-app purchases.

### Do 知識問答測驗 or 海龜湯 have ads?

知識問答測驗 shows ads; 海龜湯 does not.

### Which is updated more often, 知識問答測驗 or 海龜湯?

知識問答測驗 ships an update every 4 days, and 海龜湯 every 3 days. Most recently, 知識問答測驗 was updated on October 24, 2026 and 海龜湯 on October 11, 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.*