# K12LMS vs ViettelStudy

The clearest difference is in-app purchases: K12LMS at none against ViettelStudy's 2. ViettelStudy's advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ViettelStudy sells 2 in-app purchases, starting at $39.99 per month. K12LMS asks for nothing beyond the download.

K12LMS ships an update every 2 months, ViettelStudy weekly. The most recent releases landed on October 6, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | K12LMS | ViettelStudy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 45 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUONG VIET CO., LTD](https://appshunter.io/developer/1466757923) | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) |

## What reviewers say

### K12LMS

[App page](https://appshunter.io/ios/app/k12lms/id1658931229)

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

**In-app purchases:** none


### ViettelStudy

[App page](https://appshunter.io/ios/app/viettelstudy-onluyen/id6470185154)

This educational app offers a comprehensive learning solution with nearly 200 diverse courses, including specialized IELTS and TOEIC preparation. It leverages AI technology to help users enhance their skills and knowledge, making it a reliable companion for personal and academic growth.

**Highlights:** Nearly 200 diverse courses, IELTS and TOEIC preparation, Exclusive course content, AI-powered learning enhancement, Personalized skill development

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard | $39.99 | per month |
| Premium+ | $39.99 | per month |


## Frequently asked questions

### Is K12LMS free?

K12LMS is free to download, with no in-app purchases.

### Is ViettelStudy free?

ViettelStudy is free to download, with in-app purchases available.

### Do K12LMS or ViettelStudy have ads?

Neither K12LMS nor ViettelStudy shows ads.

### Which is updated more often, K12LMS or ViettelStudy?

K12LMS ships an update every 2 months, and ViettelStudy weekly. Most recently, K12LMS was updated on October 6, 2026 and ViettelStudy on October 20, 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.*