Comparison

DSD TECH SWITCH vs BLE Key App

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

Head to head

About

DSD TECH SWITCH

Features

Read full description

This app is only used for relay control modules of the DSD TECH brand.

About

BLE Key App

Features

Read full description

Features of BLE Key app: - Manual Unlock. Swipe up “Lock" icon on app's main page to unlock a door. - View User List and Add/Delete/Edit user information. - View Audit Trail to view/export event log history. - Backup and Restore data. - Add user cards or key fobs to unlock. - Enable keypad access to unlock.

Screenshots

DSD TECH SWITCH4 screens

BLE Key App4 screens

Verdict

The call

The clearest difference is update cadence: BLE Key App at every 6 weeks against DSD TECH SWITCH's every 29 months. DSD TECH SWITCH's advantage is iOS requirement (9.3 vs 13.0). 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

DSD TECH SWITCH ships an update every 29 months, BLE Key App every 6 weeks. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level

DSD TECH SWITCH versus BLE Key App: the parameters behind the verdict, then further details
Parameter	DSD TECH SWITCH	BLE Key App
Price	Free	Free
Update frequency	Every 29 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.3 — better	13.0
Further details — not scored
Size	3 MB	42 MB
Age rating	4+	4+
Developer	DongGuan DESHIDE TECHNOLOGY CO.,LTD	Gianni Industries Inc.

In-app purchases

None

DSD TECH SWITCH

No in-app purchases

None

BLE Key App

No in-app purchases

Questions

Is DSD TECH SWITCH free?

DSD TECH SWITCH is free to download, with no in-app purchases.

Is BLE Key App free?

BLE Key App is free to download, with no in-app purchases.

Do DSD TECH SWITCH or BLE Key App have ads?

Neither DSD TECH SWITCH nor BLE Key App shows ads.

Which is updated more often, DSD TECH SWITCH or BLE Key App?

DSD TECH SWITCH ships an update every 29 months, and BLE Key App every 6 weeks. Most recently, DSD TECH SWITCH was updated on September 20, 2026 and BLE Key App on September 18, 2026.