Comparison

ZP 6.4 AMP vs PCADSP

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

Head to head

PCA DSP

About

ZP 6.4 AMP

Features

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ZP 6.4 AMP-31 The ZP 6.4 AMP-31 app allows the user to full control their ZEVOX ZP 6.4 AMP-31 at the Setting section to contour audio system to fit your tastes with the ability to apply crossovers, 31 bands of parametric/graphic EQ independent per channel, delay, assignable inputs/outputs, USB audio player and even stream music, The ZP 6.4 AMP-31 is the right path to make great sound in your car.

About

PCADSP

Features

Read full description

The PCADSP App brings you a more perfect tuning experience, making your music richer, clearer and more dynamic. Remotely control your DSP tuner. Simple and easy-to-use standard user mode. Full-featured tuner mode.

Screenshots

ZP 6.4 AMP4 screens

PCADSP4 screens

Verdict

The call

The clearest difference is iOS requirement: ZP 6.4 AMP at 9.0 against PCADSP's 14.0. On price, update cadence, ads and in-app purchases 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

ZP 6.4 AMP ships an update every 4 months, PCADSP every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 5 level

ZP 6.4 AMP versus PCADSP: the parameters behind the verdict, then further details
Parameter	ZP 6.4 AMP	PCADSP
Price	Free	Free
Update frequency	Every 4 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	9.0 — better	14.0
Further details — not scored
Size	2 MB	4 MB
Age rating	4+	4+
Developer	Maslim Djanuanto	Saga Audio Equipment Co., Ltd.

In-app purchases

None

ZP 6.4 AMP

No in-app purchases

None

PCADSP

No in-app purchases

Questions

Is ZP 6.4 AMP free?

ZP 6.4 AMP is free to download, with no in-app purchases.

Is PCADSP free?

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

Do ZP 6.4 AMP or PCADSP have ads?

Neither ZP 6.4 AMP nor PCADSP shows ads.

Which is updated more often, ZP 6.4 AMP or PCADSP?

ZP 6.4 AMP ships an update every 4 months, and PCADSP every 3 months. Most recently, ZP 6.4 AMP was updated on October 27, 2026 and PCADSP on October 25, 2026.