# Pai.ACT vs 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學

The clearest difference is in-app purchases: Pai.ACT at none against 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學's 2. Pai.ACT also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 sells 2 in-app purchases, starting at $11.99 per month. Pai.ACT asks for nothing beyond the download.

Pai.ACT ships an update every 4 weeks, 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 every 5 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Pai.ACT | 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Size | 185 MB | 25 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [TreeholeHK LTD](https://appshunter.io/developer/1403229188) |

## What reviewers say

### Pai.ACT

[App page](https://appshunter.io/ios/app/paiact/id6462592721)

**Features:** macOS Compatibility

**In-app purchases:** none


### 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學

[App page](https://appshunter.io/ios/app/treeholehk/id6801961687)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindForest + courses (monthly) | $11.99 | per month |
| MindForest + courses (annual) | $99.99 | per year |


## Frequently asked questions

### Is Pai.ACT free?

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

### Is 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 free?

樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 is free to download, with in-app purchases available.

### Do Pai.ACT or 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 have ads?

Neither Pai.ACT nor 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 shows ads.

### Which is updated more often, Pai.ACT or 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學?

Pai.ACT ships an update every 4 weeks, and 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 every 5 weeks. Most recently, Pai.ACT was updated on October 27, 2026 and 樹洞香港 TreeholeHK｜心理測驗・心理輔導・心理學 on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*