Comparison

Pandora Relay vs Bluetooth V2.1 SPP Setup

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

Head to head

Bluetooth V2.1 SPP Setup

Free

🔧 Utilities

No ratingsView app →

About

Pandora Relay

Features

Read full description

Application is intended to control the Pandora BT-02 radio relay via Bluetooth directly. Before operation Pandora BT-02 radio relay has to be paired with application according the description in manual guide.

About

Bluetooth V2.1 SPP Setup

Features

Read full description

The iOS portable devices will connect with the Bluetooth Low Energy (BLE) to serial port converter devices and exchange data with them bi-directional. The serial port includes RS-232 or RS-422 RS-485 interfaces. The user will test the APP with the SCADA, Robot, UAV, PLC, CNC or etc. with the BLE to serial port devices. The APP will be customized to meet the specific applications.

Screenshots

Pandora Relay4 screens

Bluetooth V2.1 SPP Setup3 screens

Verdict

The call

The clearest difference is update cadence: Bluetooth V2.1 SPP Setup at every 2 weeks against Pandora Relay's every 2 months. 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

Pandora Relay ships an update every 2 months, Bluetooth V2.1 SPP Setup every 2 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 5 level

Pandora Relay versus Bluetooth V2.1 SPP Setup: the parameters behind the verdict, then further details
Parameter	Pandora Relay	Bluetooth V2.1 SPP Setup
Price	Free	Free
Update frequency	Every 2 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	13.0
Further details — not scored
Size	23 MB	18 MB
Age rating	4+	4+
Developer	PANDORA TREID, OOO	FUH CHERNG SHEU

In-app purchases

None

Pandora Relay

No in-app purchases

None

Bluetooth V2.1 SPP Setup

No in-app purchases

Questions

Is Pandora Relay free?

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

Is Bluetooth V2.1 SPP Setup free?

Bluetooth V2.1 SPP Setup is free to download, with no in-app purchases.

Do Pandora Relay or Bluetooth V2.1 SPP Setup have ads?

Neither Pandora Relay nor Bluetooth V2.1 SPP Setup shows ads.

Which is updated more often, Pandora Relay or Bluetooth V2.1 SPP Setup?

Pandora Relay ships an update every 2 months, and Bluetooth V2.1 SPP Setup every 2 weeks. Most recently, Pandora Relay was updated on September 21, 2026 and Bluetooth V2.1 SPP Setup on September 18, 2026.