# Linh Khí Pro vs LibOU

The clearest difference is in-app purchases: LibOU at none against Linh Khí Pro's 4. LibOU also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Linh Khí Pro sells 4 in-app purchases, starting at $4.49 per 7 days. LibOU asks for nothing beyond the download.

Linh Khí Pro ships an update every 3 months, LibOU monthly. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Linh Khí Pro | LibOU |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 23 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hong Hanh Vo Thi](https://appshunter.io/developer/1529392567) | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) |

## What reviewers say

### Linh Khí Pro

[App page](https://appshunter.io/ios/app/linh-khi-pro/id1531847652)

This app offers a scientific approach to understanding feng shui and spirituality. It provides comprehensive measurements of celestial, human, and terrestrial energies.

**Highlights:** Scientific feng shui analysis, Spiritual insights, Celestial energy measurement, Human energy measurement, Terrestrial energy measurement

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cơ bản | $4.49 | per 7 days |
| Thông dụng | $12.99 | per month |
| Chuyên gia | $129.99 | per year |
| Chuyên nghiệp | $399.99 | one-time |


### LibOU

[App page](https://appshunter.io/ios/app/libou/id1623776268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Linh Khí Pro free?

Linh Khí Pro is free to download, with in-app purchases available.

### Is LibOU free?

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

### Do Linh Khí Pro or LibOU have ads?

Neither Linh Khí Pro nor LibOU shows ads.

### Which is updated more often, Linh Khí Pro or LibOU?

Linh Khí Pro ships an update every 3 months, and LibOU monthly. Most recently, Linh Khí Pro was updated on October 23, 2026 and LibOU on October 9, 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.*