Comparison

NDSR355A vs RA12 DSP

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

Head to head

About

NDSR355A

Features

Read full description

NDSR355A is a application for Nakamichi Digital Sound Processor

About

RA12 DSP

Features

Read full description

RA12 DSP is a wireless Bluetooth control management software for audio processing of automotive DSP amplifier. Bring you a different car music enjoyment.

Screenshots

NDSR355A4 screens

RA12 DSP4 screens

Verdict

The call

The clearest difference is update cadence: RA12 DSP at every 3 weeks against NDSR355A's every 10 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

NDSR355A ships an update every 10 months, RA12 DSP every 3 weeks. The most recent releases landed on May 17, 2026 and September 15, 2026 respectively.

Scorecard1 real difference · 5 level

NDSR355A versus RA12 DSP: the parameters behind the verdict, then further details
Parameter	NDSR355A	RA12 DSP
Price	Free	Free
Update frequency	Every 10 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	9.0	9.0
Further details — not scored
Size	39 MB	40 MB
Age rating	4+	17+
Developer	Guangzhou Aidan Blessindo Electronic Co.,Ltd.	Guangzhou Coolpower Technology Co., Ltd.

In-app purchases

None

NDSR355A

No in-app purchases

None

RA12 DSP

No in-app purchases

Questions

Is NDSR355A free?

NDSR355A is free to download, with no in-app purchases.

Is RA12 DSP free?

RA12 DSP is free to download, with no in-app purchases.

Do NDSR355A or RA12 DSP have ads?

Neither NDSR355A nor RA12 DSP shows ads.

Which is updated more often, NDSR355A or RA12 DSP?

NDSR355A ships an update every 10 months, and RA12 DSP every 3 weeks. Most recently, NDSR355A was updated on May 17, 2026 and RA12 DSP on September 15, 2026.