# X vs 百威生研

X and 百威生研 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

X ships an update every 5 months, 百威生研 every 9 months. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | X | 百威生研 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 9 months |
| Size | 13 MB | 40 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [chen poyu](https://appshunter.io/developer/1057483428) | [MOBILE CARDS ENTERPRISE](https://appshunter.io/developer/1676218596) |

## What reviewers say

### X

[App page](https://appshunter.io/ios/app/x-line/id1059616756)

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

**In-app purchases:** none


### 百威生研

[App page](https://appshunter.io/ios/app/id6448719926)

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

**In-app purchases:** none


## Frequently asked questions

### Is X free?

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

### Is 百威生研 free?

百威生研 is free to download, with no in-app purchases.

### Do X or 百威生研 have ads?

Neither X nor 百威生研 shows ads.

### Which is updated more often, X or 百威生研?

X ships an update every 5 months, and 百威生研 every 9 months. Most recently, X was updated on September 9, 2026 and 百威生研 on September 23, 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.*