# Viettel S vs vTag

The clearest difference is review sentiment: vTag at 30% against Viettel S's 0%. vTag also leads on iOS requirement (12.0 vs 15.6). 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Viettel S | vTag |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **30.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 59 MB | 66 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) | [VIETTEL GROUP](https://appshunter.io/developer/1529233160) |

## What reviewers say

### Viettel S

[App page](https://appshunter.io/ios/app/viettel-s-tracking/id1440282192)

This navigation app connects to a maritime tracking device, allowing ship owners to monitor vessel location, view travel history, and communicate with the captain. Captains can use it to send messages, manage the device, and access electronic logbooks.

**Highlights:** Real-time vessel location monitoring, Ship movement history, Captain-to-owner messaging, Electronic fishing logbook, Device control (lock/unlock), Power PIN check

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

**In-app purchases:** none


### vTag

[App page](https://appshunter.io/ios/app/vtag/id1562061906)

This device uses NB-IoT technology with GPS, Wifi, and Mobile Cell positioning to track the location of children, the elderly, pets, and belongings. It offers features like movement detection, location history, safe zone alerts, and an SOS button for emergencies.

**Highlights:** 3-in-1 positioning (GPS, Wifi, Mobile Cell), Movement detection, Location history, Safe zone setup and alerts, SOS button for emergencies, Device parameter control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Viettel S free?

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

### Is vTag free?

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

### Do Viettel S or vTag have ads?

Neither Viettel S nor vTag shows ads.

### Which is updated more often, Viettel S or vTag?

Viettel S ships an update every 3 weeks, and vTag every 3 weeks. Most recently, Viettel S was updated on October 24, 2026 and vTag on October 14, 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.*