Comparison

PCADSP vs VDSP 8.4 AMP MK I

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

Head to head

PCA DSP

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.

About

VDSP 8.4 AMP MK I

Features

Read full description

This is a tuning software that connects to a DSP. You can select songs from the USB drive

Screenshots

PCADSP4 screens

VDSP 8.4 AMP MK I4 screens

Verdict

The call

The clearest difference is update cadence: VDSP 8.4 AMP MK I at every 3 weeks against PCADSP's every 3 months. VDSP 8.4 AMP MK I also leads on iOS requirement (12.0 vs 14.0). 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

PCADSP ships an update every 3 months, VDSP 8.4 AMP MK I every 3 weeks. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 4 level

PCADSP versus VDSP 8.4 AMP MK I: the parameters behind the verdict, then further details
Parameter	PCADSP	VDSP 8.4 AMP MK I
Price	Free	Free
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	14.0	12.0 — better
Further details — not scored
Size	4 MB	4 MB
Age rating	4+	4+
Developer	Saga Audio Equipment Co., Ltd.	Maslim Djanuanto

In-app purchases

None

PCADSP

No in-app purchases

None

VDSP 8.4 AMP MK I

No in-app purchases

Questions

Is PCADSP free?

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

Is VDSP 8.4 AMP MK I free?

VDSP 8.4 AMP MK I is free to download, with no in-app purchases.

Do PCADSP or VDSP 8.4 AMP MK I have ads?

Neither PCADSP nor VDSP 8.4 AMP MK I shows ads.

Which is updated more often, PCADSP or VDSP 8.4 AMP MK I?

PCADSP ships an update every 3 months, and VDSP 8.4 AMP MK I every 3 weeks. Most recently, PCADSP was updated on October 25, 2026 and VDSP 8.4 AMP MK I on November 2, 2026.