# VJSP vs STMLink

The clearest difference is update cadence: VJSP at every 4 weeks against STMLink's every 8 months. VJSP also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

VJSP ships an update every 4 weeks, STMLink every 8 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | VJSP | STMLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 4 weeks** | Every 8 months |
| Size | 141 MB | 77 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai Ruicheng Software Co., Ltd.](https://appshunter.io/developer/937064341) | [Hangzhou Freewind Technology Co., Ltd.](https://appshunter.io/developer/964505043) |

## What reviewers say

### VJSP

[App page](https://appshunter.io/ios/app/vjsp/id1253817902)

**In-app purchases:** none


### STMLink

[App page](https://appshunter.io/ios/app/stmlink/id6566185311)

**In-app purchases:** none


## Frequently asked questions

### Is VJSP free?

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

### Is STMLink free?

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

### Which is updated more often, VJSP or STMLink?

VJSP ships an update every 4 weeks, and STMLink every 8 months. Most recently, VJSP was updated on September 18, 2026 and STMLink on September 10, 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.*