# 专塑视界 vs 中塑在线

The clearest difference is in-app purchases: 中塑在线 at none against 专塑视界's 7. 专塑视界's advantage is update cadence (every 11 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 专塑视界 sells 7 one-off in-app purchases. 中塑在线 asks for nothing beyond the download.

专塑视界 ships an update every 11 days, 中塑在线 monthly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 专塑视界 | 中塑在线 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 278 MB | 155 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Xiamen Zhuansu Digital Technology CoLtd.](https://appshunter.io/developer/1645830223) | [浙江中塑在线股份有限公司](https://appshunter.io/developer/506260070) |

## What reviewers say

### 专塑视界

[App page](https://appshunter.io/ios/app/id1551781678)

This platform integrates industry resources using smart technology to provide comprehensive information and marketing services for the plastics and chemical industry. It offers features like supply and demand matching, industry news, market trends, and networking opportunities to help users grasp market dynamics and connect with business opportunities.

**Highlights:** Supply and demand matching, Industry news and market trends, Company and contact database, Customized live streaming for businesses, Integrated marketing services, Real-time market quotes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元积分套餐 | $0.99 | one-time |
| 98元积分套餐 | $14.99 | one-time |
| 198元积分套餐 | $29.99 | one-time |
| 498元积分套餐 | $69.99 | one-time |
| 白银行情会员单品类3个月 | $79.99 | one-time |
| 白银行情会员单品类6个月 | $99.99 | one-time |
| 白银行情会员单品类1年 | $199.99 | one-time |


### 中塑在线

[App page](https://appshunter.io/ios/app/id1573516355)

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

**In-app purchases:** none


## Frequently asked questions

### Is 专塑视界 free?

专塑视界 is free to download, with in-app purchases available.

### Is 中塑在线 free?

中塑在线 is free to download, with no in-app purchases.

### Do 专塑视界 or 中塑在线 have ads?

Both 专塑视界 and 中塑在线 show ads.

### Which is updated more often, 专塑视界 or 中塑在线?

专塑视界 ships an update every 11 days, and 中塑在线 monthly. Most recently, 专塑视界 was updated on November 7, 2026 and 中塑在线 on November 3, 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.*