# Studi vs Linh Khí Pro

The clearest difference is review sentiment: Linh Khí Pro at 80% against Studi's 33%. Linh Khí Pro also leads on iOS requirement (11.0 vs 16.0). Studi's advantage is in-app purchases (none vs 4) and update cadence (every 10 days vs every 3 months). 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. Studi asks for nothing beyond the download.

Studi ships an update every 10 days, Linh Khí Pro every 3 months. The most recent releases landed on August 28, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Studi | Linh Khí Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 89 MB | 20 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Studi](https://appshunter.io/developer/1128368792) | [Hong Hanh Vo Thi](https://appshunter.io/developer/1529392567) |

## What reviewers say

### Studi

[App page](https://appshunter.io/ios/app/studi-ecolems/id1262923640)

Develop your skills, pass your exams, and become a qualified professional. This distance learning platform offers video courses, dedicated app support, and ongoing guidance from instructors to ensure your success and career integration.

**Highlights:** Skill development, Exam preparation, Video courses, Instructor support, Career integration, Mobile app access

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Studi free?

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

### Is Linh Khí Pro free?

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

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

Neither Studi nor Linh Khí Pro shows ads.

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

Studi ships an update every 10 days, and Linh Khí Pro every 3 months. Most recently, Studi was updated on August 28, 2026 and Linh Khí Pro on June 10, 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.*