# STĐV Điện Biên vs KM99

The clearest difference is iOS requirement: STĐV Điện Biên at 13.0 against KM99's 15.0. 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.

## The numbers

| Metric | STĐV Điện Biên | KM99 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 weeks |
| Size | 263 MB | 110 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) | [IOT INFORMATION AND DATA COMPANY LIMITED](https://appshunter.io/developer/6791484468) |

## What reviewers say

### STĐV Điện Biên

[App page](https://appshunter.io/ios/app/stv-ien-bien/id6738689992)

**Features:** macOS Compatibility

**In-app purchases:** none


### KM99

[App page](https://appshunter.io/ios/app/km99/id6791484466)

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

**In-app purchases:** none


## Frequently asked questions

### Is STĐV Điện Biên free?

STĐV Điện Biên is free to download, with no in-app purchases.

### Is KM99 free?

KM99 is free to download, with no in-app purchases.

### Do STĐV Điện Biên or KM99 have ads?

Neither STĐV Điện Biên nor KM99 shows ads.

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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.*