# Khai phóng vs ULSA

The clearest difference is iOS requirement: ULSA at 13.0 against Khai phóng's 15.5. 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.

Khai phóng ships an update every 3 weeks, ULSA every 4 weeks. The most recent releases landed on September 27, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Khai phóng | ULSA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 63 MB | 55 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [F-LINK VIET NAM TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1446671082) | [Minh Nguyen Ba](https://appshunter.io/developer/1549498900) |

## What reviewers say

### Khai phóng

[App page](https://appshunter.io/ios/app/khai-phong/id6502045780)

**Features:** macOS Compatibility

**In-app purchases:** none


### ULSA

[App page](https://appshunter.io/ios/app/ulsa-e/id6742317413)

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

**In-app purchases:** none


## Frequently asked questions

### Is Khai phóng free?

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

### Is ULSA free?

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

### Do Khai phóng or ULSA have ads?

Neither Khai phóng nor ULSA shows ads.

### Which is updated more often, Khai phóng or ULSA?

Khai phóng ships an update every 3 weeks, and ULSA every 4 weeks. Most recently, Khai phóng was updated on September 27, 2026 and ULSA on September 28, 2026.

---

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