# 减排先锋 vs 碳收侠

The clearest difference is update cadence: 碳收侠 at every 2 weeks against 减排先锋's every 2 months. 减排先锋's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

减排先锋 ships an update every 2 months, 碳收侠 every 2 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | 减排先锋 | 碳收侠 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 135 MB | 74 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州快猫信息科技有限公司](https://appshunter.io/developer/1598858355) | [加立净科技股份有限公司](https://appshunter.io/developer/1706029234) |

## What reviewers say

### 减排先锋

[App page](https://appshunter.io/ios/app/id1598858353)

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

**In-app purchases:** none


### 碳收侠

[App page](https://appshunter.io/ios/app/id6464449831)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 减排先锋 free?

减排先锋 is free to download, with no in-app purchases.

### Is 碳收侠 free?

碳收侠 is free to download, with no in-app purchases.

### Do 减排先锋 or 碳收侠 have ads?

Neither 减排先锋 nor 碳收侠 shows ads.

### Which is updated more often, 减排先锋 or 碳收侠?

减排先锋 ships an update every 2 months, and 碳收侠 every 2 weeks. Most recently, 减排先锋 was updated on November 7, 2026 and 碳收侠 on November 7, 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.*