# 知識問答測驗 vs SpotMaster

The clearest difference is update cadence: 知識問答測驗 at every 4 days against SpotMaster's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 知識問答測驗 sells 1 one-off in-app purchase and SpotMaster sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

知識問答測驗 ships an update every 4 days, SpotMaster every 11 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 知識問答測驗 | SpotMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 11 months |
| Size | 61 MB | 207 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kwok Chun Hin](https://appshunter.io/developer/446734044) | [73ers](https://appshunter.io/developer/318506527) |

## 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 |


### SpotMaster

[App page](https://appshunter.io/ios/app/spotmaster-wordbuilder/id6736932754)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Explorer Pack | $8.99 | one-time |
| Master Pack | $24.99 | one-time |
| Legend Pack | $59.99 | one-time |


## 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 SpotMaster free?

SpotMaster is free to download, with in-app purchases available.

### Do 知識問答測驗 or SpotMaster have ads?

Both 知識問答測驗 and SpotMaster show ads.

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

知識問答測驗 ships an update every 4 days, and SpotMaster every 11 months. Most recently, 知識問答測驗 was updated on November 3, 2026 and SpotMaster on November 4, 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.*