# XemOnline v2 vs Yên Bái Trace

The clearest difference is update cadence: XemOnline v2 at fortnightly against Yên Bái Trace's every 5 months. XemOnline v2 also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

XemOnline v2 ships an update fortnightly, Yên Bái Trace every 5 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | XemOnline v2 | Yên Bái Trace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 20 MB | 78 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cong Doan Van](https://appshunter.io/developer/1439175939) | [VNEIDCHECK TECHNOLOGY SOLUTIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1478264841) |

## What reviewers say

### XemOnline v2

[App page](https://appshunter.io/ios/app/xemonline-v2/id1478206091)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yên Bái Trace

[App page](https://appshunter.io/ios/app/yen-bai-trace/id6444209560)

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

**In-app purchases:** none


## Frequently asked questions

### Is XemOnline v2 free?

XemOnline v2 is free to download, with no in-app purchases.

### Is Yên Bái Trace free?

Yên Bái Trace is free to download, with no in-app purchases.

### Do XemOnline v2 or Yên Bái Trace have ads?

Neither XemOnline v2 nor Yên Bái Trace shows ads.

### Which is updated more often, XemOnline v2 or Yên Bái Trace?

XemOnline v2 ships an update fortnightly, and Yên Bái Trace every 5 months. Most recently, XemOnline v2 was updated on October 6, 2026 and Yên Bái Trace on October 11, 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.*