# 降雨通 vs 东亚糖业 CTRM

The clearest difference is iOS requirement: 降雨通 at 8.0 against 东亚糖业 CTRM's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

降雨通 ships an update monthly, 东亚糖业 CTRM every 3 weeks. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 降雨通 | 东亚糖业 CTRM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 32 MB | 30 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mingchengda Information](https://appshunter.io/developer/1218010806) | [广西南宁东亚糖业集团](https://appshunter.io/developer/1856135785) |

## What reviewers say

### 降雨通

[App page](https://appshunter.io/ios/app/id1463030444)

**Features:** macOS Compatibility

**In-app purchases:** none


### 东亚糖业 CTRM

[App page](https://appshunter.io/ios/app/ctrm/id6755756475)

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

**In-app purchases:** none


## Frequently asked questions

### Is 降雨通 free?

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

### Is 东亚糖业 CTRM free?

东亚糖业 CTRM is free to download, with no in-app purchases.

### Do 降雨通 or 东亚糖业 CTRM have ads?

Neither 降雨通 nor 东亚糖业 CTRM shows ads.

### Which is updated more often, 降雨通 or 东亚糖业 CTRM?

降雨通 ships an update monthly, and 东亚糖业 CTRM every 3 weeks. Most recently, 降雨通 was updated on October 8, 2026 and 东亚糖业 CTRM on October 10, 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.*