# M vs BBStelnet

The clearest difference is in-app purchases: M at none against BBStelnet's 3. M also leads on ads (none vs shown) and device support (3 vs 1). BBStelnet's advantage is update cadence (every 9 days vs every 4 months). On price there is nothing between them.

Both are free to download. BBStelnet sells 3 one-off in-app purchases. M asks for nothing beyond the download.

M ships an update every 4 months, BBStelnet every 9 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | M | BBStelnet |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 10 MB | 12 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Wai Yin Chan](https://appshunter.io/developer/1376527988) | [Hsu Chia-cheng](https://appshunter.io/developer/1618067024) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-code/id1376527989)

This utility app allows users to create, store, and share QR codes directly from their iPhone or Apple Watch. It offers local storage and the ability to upload QR codes to an online database for easy access and retrieval.

**Highlights:** Local QR code storage, Share QR codes online, Download QR codes from online database, iPhone and Apple Watch support

**In-app purchases:** none


### BBStelnet

[App page](https://appshunter.io/ios/app/bbstelnet/id6766363420)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quick Key Cells +10 | $0.99 | one-time |
| Station Slots +5 | $0.99 | one-time |
| BBStelnet Pro | $9.99 | one-time |


## Frequently asked questions

### Is M free?

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

### Is BBStelnet free?

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

### Do M or BBStelnet have ads?

BBStelnet shows ads; M does not.

### Which is updated more often, M or BBStelnet?

M ships an update every 4 months, and BBStelnet every 9 days. Most recently, M was updated on November 2, 2026 and BBStelnet on October 31, 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.*