# 三草两木 vs EarnUSD

The clearest difference is update cadence: 三草两木 at every 2 days against EarnUSD's every 10 days. 三草两木 also leads on iOS requirement (13.0 vs 16.4). 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.

三草两木 ships an update every 2 days, EarnUSD every 10 days. The most recent releases landed on October 11, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 三草两木 | EarnUSD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 10 days |
| Size | 23 MB | 52 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [睿 徐](https://appshunter.io/developer/1214823828) | [Taiwan1996](https://appshunter.io/developer/1834873750) |

## What reviewers say

### 三草两木

[App page](https://appshunter.io/ios/app/id1409137856)

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

**In-app purchases:** none


### EarnUSD

[App page](https://appshunter.io/ios/app/earnusd-smart-yield-tracker/id6774380152)

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

**In-app purchases:** none


## Frequently asked questions

### Is 三草两木 free?

三草两木 is free to download, with no in-app purchases.

### Is EarnUSD free?

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

### Do 三草两木 or EarnUSD have ads?

Neither 三草两木 nor EarnUSD shows ads.

### Which is updated more often, 三草两木 or EarnUSD?

三草两木 ships an update every 2 days, and EarnUSD every 10 days. Most recently, 三草两木 was updated on October 11, 2026 and EarnUSD on October 26, 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.*