Comparison

Blue Switch vs DSD TECH Bluetooth

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

Head to head
About

Blue Switch

Control 2, 4, or 8 channel Bluetooth BLE relay modules from your iPhone or iPad. Assign custom names to modules and individual relays for easy identification and management. Enhance security by changing the default password.

Highlights
  • Control 2, 4, or 8 channel relay modules
  • Bluetooth BLE connectivity
  • Assign custom module aliases
  • Assign custom relay aliases
  • Change default password for security
  • Connect to multiple modules
Features
Read full description

This app allows you to control a 2, 4 or 8 Channel Relay Module Bluetooth BLE with your iPhone or iPad. To use this app, you need one of these three modules: "2 Channel Relay Module Bluetooth BLE" "4 Channel Relay Module Bluetooth BLE" "8 Channel Relay Module Bluetooth BLE" These modules can be ordered at many online shops. Please use a search engine to find a shop. This app can be connected with any number of modules. By entering an alias, the modules are marked clearly and can easily be assigned to a use area. Name the modules for example "Relay 1", "Relay 2", "Electronic lab project" or "Ambient Light". An alias can also be entered for each relay. The default password for these modules is usually "12345678". For more security, the app also allows you to change the password. The password must be eight digits long.

About

DSD TECH Bluetooth

This utility app facilitates efficient communication with specific DSD TECH Bluetooth modules. It supports a range of relay and BLE modules, streamlining interactions and saving users time. Compatible with various DSD TECH Bluetooth devices.

Highlights
  • Efficient communication with Bluetooth modules
  • Supports DSD TECH Bluetooth Relay modules
  • Supports DSD TECH SH-HC-08, SH-M08, HM-10, SH-11 modules
  • Supports DSD TECH Bluetooth BLE modules
  • Saves user time
Features
Read full description

This app was released by the DSD TECH team.With this APP, you can more efficiently communicate with the DSD TECH Bluetooth module, which saves you a lot of time: The current list of compatible Bluetooth devices is as follows: 1, ALL DSD TECH Bluetooth Relay 1/2/4 Channel Module. 2, DSD TECH SH-HC-08 Bluetooth module 3, DSD TECH SH-M08 Bluetooth module 4, DSD TECH HM-10 Bluetooth module 5, DSD TECH SH-11 Bluetooth 5.0 module 6, Other DSD TECH Bluetooth BLE module

Screenshots

Blue Switch4 screens
DSD TECH Bluetooth2 screens

Verdict

The call

The clearest difference is rating: Blue Switch at 3.8 against DSD TECH Bluetooth's 2.8. DSD TECH Bluetooth's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, update cadence 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. Blue Switch sells 1 one-off in-app purchase. DSD TECH Bluetooth asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Blue Switch holds the better App Store score, 3.8 against 2.8. Both are backed by a comparable volume of ratings — 43 and 18 respectively. Written reviews complicate that: 17% of Blue Switch's written reviews are positive against 40% of DSD TECH Bluetooth's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Blue Switch ships an update every 3 months, DSD TECH Bluetooth every 2 months. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

Scorecard6 real differences · 4 level
Blue Switch versus DSD TECH Bluetooth: the parameters behind the verdict, then further details
ParameterBlue SwitchDSD TECH Bluetooth
PriceFreeFree
Rating3.8 (43 ratings) — better2.8 (18 ratings)
Positive reviews16.7% of reviews40.0% of reviews — better
Number of ratings43 — better18
Update frequencyEvery 3 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.09.3 — better
Further details — not scored
Size39 MB2 MB
Age rating4+4+
DeveloperVitalij SchaeferDongGuan DESHIDE TECHNOLOGY CO.,LTD

Customer experience

Blue Switch

All ratings43 ratings
Positive69.8%
Neutral2.3%
Negative27.9%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

DSD TECH Bluetooth

All ratings18 ratings
Positive33.3%
Neutral22.2%
Negative44.4%
Written reviews10 reviews
Positive40.0%
Neutral40.0%
Negative20.0%

In-app purchases

1 purchases

Blue Switch

One-time1
  • Remove Ads$17.99
None

DSD TECH Bluetooth

No in-app purchases

Questions

Is Blue Switch free?
Blue Switch is free to download, with in-app purchases available.
Is DSD TECH Bluetooth free?
DSD TECH Bluetooth is free to download, with no in-app purchases.
Which has better reviews, Blue Switch or DSD TECH Bluetooth?
Blue Switch is rated higher. Blue Switch averages 3.8 out of 5 from 43 ratings, while DSD TECH Bluetooth averages 2.8 from 18 ratings.
Do Blue Switch or DSD TECH Bluetooth have ads?
Blue Switch shows ads; DSD TECH Bluetooth does not.
Which is updated more often, Blue Switch or DSD TECH Bluetooth?
Blue Switch ships an update every 3 months, and DSD TECH Bluetooth every 2 months. Most recently, Blue Switch was updated on September 23, 2026 and DSD TECH Bluetooth on September 29, 2026.

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