Comparison

System Sound vs AUDIO Cu

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

Head to head

About

System Sound

Features

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Plays the system sound specified by the system sound ID.

About

AUDIO Cu

Features

Read full description

This application controls AUDIO Cu. AUDIO Cu is a multi-sector disruptive audio solution primed to take over. AUDIO Cu delivers tightly synchronized, high fidelity, high resolution (Hi-Res), stereo, Dolby Digital®, Dolby TrueHD®, and Dolby Atmos® audio data over new or pre-existing power lines. Its IP can distribute the encoded sound from a TV, audio video receiver (AVR), DJ controller, mixer board, etc., to every speaker and subwoofer in any system configuration, event venue, or establishment over the power lines. It is a superior alternative to Wi-Fi, WiSA/WiSA-e, or Bluetooth based audio protocols. AUDIO Cu does not experience radio frequency (RF) interference, structural boundaries, or distance limitations. AUDIO Cu is plug and play solution that is fortified for consumer, pro audio, and enterprise level integration. Work smarter, not harder, and move your sound over the power lines with AUDIO Cu.

Screenshots

System Sound1 screens

AUDIO Cu4 screens

Verdict

The call

The clearest difference is ads: AUDIO Cu at none against System Sound's shown. On price, update cadence, 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

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 5 level

System Sound versus AUDIO Cu: the parameters behind the verdict, then further details
Parameter	System Sound	AUDIO Cu
Price	Free	Free
Update frequency	Every 2 weeks	Every 2 weeks
Ads	Yes	No — better
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.8.3	15.1 — better
Further details — not scored
Size	36 MB	23 MB
Age rating	4+	4+
Developer	Hideaki Uchikoshi	Fasetto, Inc.

In-app purchases

None

System Sound

No in-app purchases

None

AUDIO Cu

No in-app purchases

Questions

Is System Sound free?

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

Is AUDIO Cu free?

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

Do System Sound or AUDIO Cu have ads?

System Sound shows ads; AUDIO Cu does not.

Which is updated more often, System Sound or AUDIO Cu?

System Sound ships an update every 2 weeks, and AUDIO Cu every 2 weeks. Most recently, System Sound was updated on October 3, 2026 and AUDIO Cu on October 8, 2026.