# JSmartWatch vs ST4U

The clearest difference is in-app purchases: ST4U at none against JSmartWatch's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JSmartWatch sells 3 one-off in-app purchases. ST4U asks for nothing beyond the download.

JSmartWatch ships an update every 6 weeks, ST4U every 3 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | JSmartWatch | ST4U |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (12 ratings)](https://appshunter.io/ios/app/jsmartwatch/id1550842861/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 35 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Julian Werfel](https://appshunter.io/developer/1550842863) | [HePoJ](https://appshunter.io/developer/1596658297) |

## What reviewers say

### JSmartWatch

[App page](https://appshunter.io/ios/app/jsmartwatch/id1550842861)

Control your smart home devices directly from your wrist. This app allows you to view device status, execute scenes, and manage switches, locks, and thermostats with quick access to your favorite items.

**Highlights:** View and execute scenes, Favorite scenes, rooms, and devices, View rooms and device status, Control switches, locks, and garage doors, Adjust thermostats, iPhone app for configuration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### ST4U

[App page](https://appshunter.io/ios/app/st4u/id1596658055)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JSmartWatch free?

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

### Is ST4U free?

ST4U is free to download, with no in-app purchases.

### Do JSmartWatch or ST4U have ads?

Neither JSmartWatch nor ST4U shows ads.

### Which is updated more often, JSmartWatch or ST4U?

JSmartWatch ships an update every 6 weeks, and ST4U every 3 weeks. Most recently, JSmartWatch was updated on October 24, 2026 and ST4U on October 9, 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.*