# SD Tool vs EJBMS Plus

The clearest difference is update cadence: SD Tool at every 6 weeks against EJBMS Plus's every 7 months. 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.

SD Tool ships an update every 6 weeks, EJBMS Plus every 7 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SD Tool | EJBMS Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sd-tool/id1315420062/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 3 MB | 41 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ubigreen](https://appshunter.io/developer/1315420061) | [E&Jtechnology](https://appshunter.io/developer/1274910981) |

## What reviewers say

### SD Tool

[App page](https://appshunter.io/ios/app/sd-tool/id1315420062)

This utility app facilitates the management of Ubigreen SmartDesk sensors. Users can install, replace, disable, or move sensors by associating them with locations, scanning QR codes, or inputting serial numbers. It offers automatic data syncing to the cloud and local duplication detection.

**Highlights:** Install, replace, disable, and move sensors, Associate sensors with locations, Scan QR codes or input serial numbers, Automatic data sync to Ubigreen cloud, Export installed sensor list to CSV, Local duplication detection, View sensor status and autonomy

**Features:** macOS Compatibility

**In-app purchases:** none


### EJBMS Plus

[App page](https://appshunter.io/ios/app/ejbms-plus/id6448896690)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SD Tool free?

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

### Is EJBMS Plus free?

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

### Do SD Tool or EJBMS Plus have ads?

Neither SD Tool nor EJBMS Plus shows ads.

### Which is updated more often, SD Tool or EJBMS Plus?

SD Tool ships an update every 6 weeks, and EJBMS Plus every 7 months. Most recently, SD Tool was updated on October 4, 2026 and EJBMS Plus on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*