# 掌上SRM vs 龙刍冷链

The clearest difference is ads: 龙刍冷链 at none against 掌上SRM's shown. 龙刍冷链 also leads on update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

掌上SRM ships an update every 2 months, 龙刍冷链 weekly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 掌上SRM | 龙刍冷链 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 21 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fujian Snowman Zhenxun Development Co., Ltd.](https://appshunter.io/developer/1480495955) | [苏州帕特电气有限公司](https://appshunter.io/developer/1774902654) |

## What reviewers say

### 掌上SRM

[App page](https://appshunter.io/ios/app/srm/id1232179276)

**Features:** macOS Compatibility

**In-app purchases:** none


### 龙刍冷链

[App page](https://appshunter.io/ios/app/id6737145738)

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

**In-app purchases:** none


## Frequently asked questions

### Is 掌上SRM free?

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

### Is 龙刍冷链 free?

龙刍冷链 is free to download, with no in-app purchases.

### Do 掌上SRM or 龙刍冷链 have ads?

掌上SRM shows ads; 龙刍冷链 does not.

### Which is updated more often, 掌上SRM or 龙刍冷链?

掌上SRM ships an update every 2 months, and 龙刍冷链 weekly. Most recently, 掌上SRM was updated on November 2, 2026 and 龙刍冷链 on November 4, 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.*