Comparison

Rainbow Plug&Play DSP vs FDSK

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

Head to head

Rainbow Plug&Play DSP

About

Rainbow Plug&Play DSP

This utility app allows users to operate and configure a specific audio device using Bluetooth Low Energy. It provides a direct connection for managing settings and functionality.

Highlights

Bluetooth LE operation
Audio device configuration
Direct connection
Settings management

Features

Read full description

Rainbow DSP Enables the operation and configuration of the Rainbow Audio Device via Bluetooth LE.

About

FDSK

Features

Read full description

Connect your smartphone to FDSK headunit through bluetooth, then tap the APP and turn on it on your smartphone

Screenshots

Rainbow Plug&Play DSP1 screens

FDSK4 screens

Verdict

The call

Rainbow Plug&Play DSP and FDSK are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

ScorecardNo meaningful differences

Rainbow Plug&Play DSP versus FDSK: the parameters behind the verdict, then further details
Parameter	Rainbow Plug&Play DSP	FDSK
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 2 months	Every 2 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	12.0 — better	12.2
Further details — not scored
Size	26 MB	60 MB
Age rating	4+	4+
Developer	Rainbow Audio GmbH	Guangzhou Aidan Blessindo Electronic Co.,Ltd.

In-app purchases

None

Rainbow Plug&Play DSP

No in-app purchases

None

FDSK

No in-app purchases

Questions

Is Rainbow Plug&Play DSP free?

Rainbow Plug&Play DSP is free to download, with no in-app purchases.

Is FDSK free?

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

Do Rainbow Plug&Play DSP or FDSK have ads?

Neither Rainbow Plug&Play DSP nor FDSK shows ads.

Which is updated more often, Rainbow Plug&Play DSP or FDSK?

Rainbow Plug&Play DSP ships an update every 2 months, and FDSK every 2 months. Most recently, Rainbow Plug&Play DSP was updated on November 3, 2026 and FDSK on October 30, 2026.