# SUPI vs Viettel WMS

The clearest difference is update cadence: Viettel WMS at every 3 weeks against SUPI's every 8 months. 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.

SUPI ships an update every 8 months, Viettel WMS every 3 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SUPI | Viettel WMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 15 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duc Manh](https://appshunter.io/developer/1653223186) | [Viettel Post Joint Stock Corporation](https://appshunter.io/developer/1439046277) |

## What reviewers say

### SUPI

[App page](https://appshunter.io/ios/app/supi/id6444223900)

**Features:** macOS Compatibility

**In-app purchases:** none


### Viettel WMS

[App page](https://appshunter.io/ios/app/viettel-wms/id6767442801)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUPI free?

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

### Is Viettel WMS free?

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

### Do SUPI or Viettel WMS have ads?

Neither SUPI nor Viettel WMS shows ads.

### Which is updated more often, SUPI or Viettel WMS?

SUPI ships an update every 8 months, and Viettel WMS every 3 weeks. Most recently, SUPI was updated on October 7, 2026 and Viettel WMS on October 18, 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.*