# 水泥指数 vs 正大水产CRM

The clearest difference is in-app purchases: 正大水产CRM at none against 水泥指数's 6. 正大水产CRM also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 水泥指数 sells 6 one-off in-app purchases. 正大水产CRM asks for nothing beyond the download.

水泥指数 ships an update every 2 months, 正大水产CRM every 4 weeks. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 水泥指数 | 正大水产CRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Size | 53 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [杭州行情通大数据有限公司](https://appshunter.io/developer/1819431033) | [Yichang Chia Tai Breeding Technology Service Co., Ltd.](https://appshunter.io/developer/1529214094) |

## What reviewers say

### 水泥指数

[App page](https://appshunter.io/ios/app/id1322949593)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 建筑材料VIP-1个品种（1年） | $229.99 | one-time |
| 建筑材料VIP-2个品种（1年） | $399.99 | one-time |
| 精选年会员 | $499.99 | one-time |
| 建筑材料VIP-3个品种（1年） | $599.99 | one-time |
| 建筑材料VIP-4个品种（1年） | $699.99 | one-time |
| 建筑材料VIP-5个品种（1年） | $899.99 | one-time |


### 正大水产CRM

[App page](https://appshunter.io/ios/app/crm/id1635516793)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 水泥指数 free?

水泥指数 is free to download, with in-app purchases available.

### Is 正大水产CRM free?

正大水产CRM is free to download, with no in-app purchases.

### Do 水泥指数 or 正大水产CRM have ads?

水泥指数 shows ads; 正大水产CRM does not.

### Which is updated more often, 水泥指数 or 正大水产CRM?

水泥指数 ships an update every 2 months, and 正大水产CRM every 4 weeks. Most recently, 水泥指数 was updated on October 3, 2026 and 正大水产CRM on October 27, 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.*