Comparison

STEM Connect vs SANSUI SDS Series

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

SANSUI SDS

About

STEM Connect

Features

Read full description

Via BLE technology (Bluetooth Low Energy), this app allows to connect and use the ozone generator O3Z-Tech to monitor the sanitisation and download the sanitisation report. Moreover, this app allows to set up and service the stretcher assisted loading system Sherpa. You will find the login credentials in the user manual of the product. This way STEM ensures maximum control of authorized technicians. Setup, use and diagnostics procedures are easy and assisted so to conclude any operation in a simple way.

About

SANSUI SDS Series

Features

Read full description

Connect your smartphone to SANSUI SDS Series headunit through bluetooth, then tap the APP and turn on it on your smartphone.

Screenshots

STEM Connect4 screens

SANSUI SDS Series4 screens

Verdict

The call

The clearest difference is update cadence: STEM Connect at weekly against SANSUI SDS Series's every 9 months. STEM Connect also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

STEM Connect ships an update weekly, SANSUI SDS Series every 9 months. Both last shipped on October 30, 2026.

Scorecard2 real differences · 4 level

STEM Connect versus SANSUI SDS Series: the parameters behind the verdict, then further details
Parameter	STEM Connect	SANSUI SDS Series
Price	Free	Free
Update frequency	Weekly — better	Every 9 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	14.0
Further details — not scored
Size	32 MB	15 MB
Age rating	4+	17+
Developer	STEM s.r.l.	Guangzhou Aidan Blessindo Electronic Co.,Ltd.

In-app purchases

None

STEM Connect

No in-app purchases

None

SANSUI SDS Series

No in-app purchases

Questions

Is STEM Connect free?

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

Is SANSUI SDS Series free?

SANSUI SDS Series is free to download, with no in-app purchases.

Do STEM Connect or SANSUI SDS Series have ads?

Neither STEM Connect nor SANSUI SDS Series shows ads.

Which is updated more often, STEM Connect or SANSUI SDS Series?

STEM Connect ships an update weekly, and SANSUI SDS Series every 9 months. Most recently, STEM Connect was updated on October 30, 2026 and SANSUI SDS Series on October 30, 2026.