Comparison

A894DSP vs Prospect

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

Head to head
About

A894DSP

Features
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After connecting App to Car Amplifier with Integrated DSP, EQ, BASS, TIME ALIGNMENT, PHASE, MUTE, FILTER , SAVE SOUND SETTING TO PHONE, SAVE SOUND SETTING TO AMPLIFIER, LOAD SOUND SETTING FROM PHONE, RCA OUTPUT etc could be controlled through this App. How to use: 1.Install App and turn on power of car 2. Turn on Bluetooth on your iPhone 3,Open App and wait for around 5 seconds, then click “Connect” icon in left corner of bottom. Amplifier will be connected to App automatically. 4.DIY you preferred sound and then click “Save to AMP” icon to save. Or click “ Save to Phone” to save. Note: 1.Do not exit app during saving and do not turn off power supply, program may be shut down caused by this.

About

Prospect

Features
Read full description

This is a tool for configuring and adjusting alarm systems during the installation process which is always at hand.  The Prospect app makes it easy to work with the alarm settings: · update the software; · change settings; · test the execution of commands; · monitor vehicle parameters; · set up notifications; · set up keyless remote start and calculate the encryption key for it; · other functions. The application supports connection to the system via Bluetooth. If the car with the alarm system is located far away, then you can connect to it via the Internet (GSM) and make all the settings, as with direct connection.

Screenshots

A894DSP3 screens
Prospect4 screens

Verdict

The call

The clearest difference is iOS requirement: A894DSP at 9.0 against Prospect's 17.0. 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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 31, 2026 and September 10, 2026 respectively.

Scorecard1 real difference · 5 level
A894DSP versus Prospect: the parameters behind the verdict, then further details
ParameterA894DSPProspect
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod — betteriPhone
Requires iOS9.0 — better17.0
Further details — not scored
Size18 MB1 MB
Age rating4+4+
Developer杏生 卢Alexander Butko

In-app purchases

None

A894DSP

No in-app purchases

None

Prospect

No in-app purchases

Questions

Is A894DSP free?
A894DSP is free to download, with no in-app purchases.
Is Prospect free?
Prospect is free to download, with no in-app purchases.
Do A894DSP or Prospect have ads?
Neither A894DSP nor Prospect shows ads.
Which is updated more often, A894DSP or Prospect?
A894DSP ships an update every 2 months, and Prospect every 2 months. Most recently, A894DSP was updated on July 31, 2026 and Prospect on September 10, 2026.

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