# CDT VN vs VIJA

The clearest difference is update cadence: CDT VN at every 2 days against VIJA's every 2 months. VIJA's advantage is iOS requirement (11.0 vs 15.5). 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.

CDT VN ships an update every 2 days, VIJA every 2 months. The most recent releases landed on October 19, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CDT VN | VIJA |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 15.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free | — |
| Size | 70 MB | 33 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [GEOGRAPHY SOFTWARE JOINT STOCK COMPANY](https://appshunter.io/developer/1148381187) | [Thang Duong Quang](https://appshunter.io/developer/1679324359) |

## What reviewers say

### CDT VN

[App page](https://appshunter.io/ios/app/cdt-vn/id1469180146)

This system helps fishermen manage their catch logs, transfers, and port permits. It also assists processing plants in obtaining origin certificates for seafood products and enables authorities to oversee fishing and export activities.

**Highlights:** Catch log management, Fishing transfer tracking, Port entry/exit permits, Seafood origin certificates, Fishing and export data management

**Features:** Vision Pro support

**In-app purchases:** none


### VIJA

[App page](https://appshunter.io/ios/app/vija-config/id6447504348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CDT VN free?

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

### Is VIJA free?

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

### Do CDT VN or VIJA have ads?

Neither CDT VN nor VIJA shows ads.

### Which is updated more often, CDT VN or VIJA?

CDT VN ships an update every 2 days, and VIJA every 2 months. Most recently, CDT VN was updated on October 19, 2026 and VIJA on October 27, 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.*