# 中周信息 vs BIReader

The clearest difference is update cadence: BIReader at every 3 weeks against 中周信息's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

中周信息 ships an update every 2 months, BIReader every 3 weeks. The most recent releases landed on May 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 中周信息 | BIReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 70 MB | 31 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Hunan Zingrow Information Technology Co., Ltd.](https://appshunter.io/developer/1016386905) | [Hunan Civiw Technology Co., Ltd](https://appshunter.io/developer/1206753528) |

## What reviewers say

### 中周信息

[App page](https://appshunter.io/ios/app/id1016386906)

**Features:** macOS Compatibility

**In-app purchases:** none


### BIReader

[App page](https://appshunter.io/ios/app/bireader/id1206753529)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中周信息 free?

中周信息 is free to download, with no in-app purchases.

### Is BIReader free?

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

### Do 中周信息 or BIReader have ads?

Neither 中周信息 nor BIReader shows ads.

### Which is updated more often, 中周信息 or BIReader?

中周信息 ships an update every 2 months, and BIReader every 3 weeks. Most recently, 中周信息 was updated on May 19, 2026 and BIReader on September 20, 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.*