# BRIGC vs 知识奥秘

The clearest difference is in-app purchases: BRIGC at none against 知识奥秘's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 知识奥秘 sells 5 one-off in-app purchases. BRIGC asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BRIGC | 知识奥秘 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 44 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Daemon Sunshine Technology Co., Ltd.](https://appshunter.io/developer/404129623) | [Wuhan Qiangelan NetworkTechnology Co.](https://appshunter.io/developer/1814079210) |

## What reviewers say

### BRIGC

[App page](https://appshunter.io/ios/app/brigc/id6657992103)

**Features:** macOS Compatibility

**In-app purchases:** none


### 知识奥秘

[App page](https://appshunter.io/ios/app/id6745940924)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Information fee | $0.99 | one-time |
| 1 pieces | $0.99 | one-time |
| 10 pieces | $0.99 | one-time |
| 优惠卡 | $0.99 | one-time |
| 100 pieces | $14.99 | one-time |


## Frequently asked questions

### Is BRIGC free?

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

### Is 知识奥秘 free?

知识奥秘 is free to download, with in-app purchases available.

### Do BRIGC or 知识奥秘 have ads?

Neither BRIGC nor 知识奥秘 shows ads.

### Which is updated more often, BRIGC or 知识奥秘?

BRIGC ships an update every 3 weeks, and 知识奥秘 every 3 weeks. Most recently, BRIGC was updated on October 4, 2026 and 知识奥秘 on October 13, 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.*