# 護助互愛 vs 壤逸誌SOW

The clearest difference is iOS requirement: 護助互愛 at 11.0 against 壤逸誌SOW's 15.1. 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.

護助互愛 ships an update every 2 weeks, 壤逸誌SOW every 3 weeks. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 護助互愛 | 壤逸誌SOW |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 113 MB | 162 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [Lab Viso Limited](https://appshunter.io/developer/1375884405) |

## What reviewers say

### 護助互愛

[App page](https://appshunter.io/ios/app/id1664640282)

**In-app purchases:** none


### 壤逸誌SOW

[App page](https://appshunter.io/ios/app/sow/id6448770877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 護助互愛 free?

護助互愛 is free to download, with no in-app purchases.

### Is 壤逸誌SOW free?

壤逸誌SOW is free to download, with no in-app purchases.

### Do 護助互愛 or 壤逸誌SOW have ads?

Neither 護助互愛 nor 壤逸誌SOW shows ads.

### Which is updated more often, 護助互愛 or 壤逸誌SOW?

護助互愛 ships an update every 2 weeks, and 壤逸誌SOW every 3 weeks. Most recently, 護助互愛 was updated on October 18, 2026 and 壤逸誌SOW on October 14, 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.*