# VNPT Update Contact vs VNPT S

The clearest difference is update cadence: VNPT Update Contact at fortnightly against VNPT S's every 3 months. VNPT Update Contact also leads on iOS requirement (8.0 vs 17.0). 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.

VNPT Update Contact ships an update fortnightly, VNPT S every 3 months. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | VNPT Update Contact | VNPT S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/vnpt-update-contact/id994772156/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 2 MB | 225 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VNPT Media Corporation](https://appshunter.io/developer/1142483774) | [Vietnam Posts and Telecommunications Group](https://appshunter.io/developer/1215567249) |

## What reviewers say

### VNPT Update Contact

[App page](https://appshunter.io/ios/app/vnpt-update-contact/id994772156)

This utility app helps users update their phone contacts with new area codes based on official telecommunications regulations. It scans your address book, identifies numbers needing changes, and allows selective or bulk updates.

**Highlights:** Automatic contact scanning, Displays numbers needing updates, Lists area code changes by province, Selective or bulk number updates, Filter by province or nationwide, Updates selected numbers

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

**In-app purchases:** none


### VNPT S

[App page](https://appshunter.io/ios/app/vnpt-s-defender/id6740803521)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is VNPT Update Contact free?

VNPT Update Contact is free to download, with no in-app purchases.

### Is VNPT S free?

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

### Do VNPT Update Contact or VNPT S have ads?

Neither VNPT Update Contact nor VNPT S shows ads.

### Which is updated more often, VNPT Update Contact or VNPT S?

VNPT Update Contact ships an update fortnightly, and VNPT S every 3 months. Most recently, VNPT Update Contact was updated on October 29, 2026 and VNPT S on October 28, 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.*