# CheckVN vs TraceAbility 4.0

The clearest difference is update cadence: TraceAbility 4.0 at every 3 weeks against CheckVN's every 2 months. CheckVN's advantage is iOS requirement (12.4 vs 16.6). 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.

CheckVN ships an update every 2 months, TraceAbility 4.0 every 3 weeks. The most recent releases landed on September 7, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | CheckVN | TraceAbility 4.0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 7 MB | 37 MB |
| Requires iOS | **12.4** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INTEGRATION DEVELOPMENT CENTRE FOR ENTERPRISES](https://appshunter.io/developer/1070828322) | [Binh Bui](https://appshunter.io/developer/1326757894) |

## What reviewers say

### CheckVN

[App page](https://appshunter.io/ios/app/checkvn/id1070828323)

**Features:** macOS Compatibility

**In-app purchases:** none


### TraceAbility 4.0

[App page](https://appshunter.io/ios/app/traceability-40/id6738941219)

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

**In-app purchases:** none


## Frequently asked questions

### Is CheckVN free?

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

### Is TraceAbility 4.0 free?

TraceAbility 4.0 is free to download, with no in-app purchases.

### Do CheckVN or TraceAbility 4.0 have ads?

Neither CheckVN nor TraceAbility 4.0 shows ads.

### Which is updated more often, CheckVN or TraceAbility 4.0?

CheckVN ships an update every 2 months, and TraceAbility 4.0 every 3 weeks. Most recently, CheckVN was updated on September 7, 2026 and TraceAbility 4.0 on September 22, 2026.

---

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