# 畅行石化 vs 时间计算器Pro

The clearest difference is in-app purchases: 畅行石化 at none against 时间计算器Pro's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 时间计算器Pro sells 3 one-off in-app purchases. 畅行石化 asks for nothing beyond the download.

## The numbers

| Metric | 畅行石化 | 时间计算器Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 144 MB | 22 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [连云港深港石化能源科技有限公司](https://appshunter.io/developer/1550540616) | [靖翔 尚](https://appshunter.io/developer/1889801343) |

## What reviewers say

### 畅行石化

[App page](https://appshunter.io/ios/app/id1558795989)

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

**In-app purchases:** none


### 时间计算器Pro

[App page](https://appshunter.io/ios/app/pro/id6761548698)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | one-time |
| 年度会员 | $4.99 | one-time |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is 畅行石化 free?

畅行石化 is free to download, with no in-app purchases.

### Is 时间计算器Pro free?

时间计算器Pro is free to download, with in-app purchases available.

### Do 畅行石化 or 时间计算器Pro have ads?

Neither 畅行石化 nor 时间计算器Pro shows ads.

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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.*