Comparison

One Sub vs DSP

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

Head to head

About

One Sub

Features

Read full description

OneSub是一款针对汽车DSP功放的音效处理无线蓝牙控制管理软件

About

DSP

Features

Read full description

DSP-B46是一款针对汽车DSP功放的音效处理无线蓝牙控制管理软件.

Screenshots

One Sub3 screens

DSP4 screens

Verdict

The call

The clearest difference is iOS requirement: One Sub at 8.0 against DSP's 15.6. 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

One Sub ships an update every 6 months, DSP every 5 months. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 5 level

One Sub versus DSP: the parameters behind the verdict, then further details
Parameter	One Sub	DSP
Price	Free	Free
Update frequency	Every 6 months	Every 5 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	8.0 — better	15.6
Further details — not scored
Size	8 MB	4 MB
Age rating	4+	4+
Developer	Guangzhou Fenlang Electronic Technology Co., Ltd.;	Guangzhou RDING Electronics Limited Company

In-app purchases

None

One Sub

No in-app purchases

None

DSP

No in-app purchases

Questions

Is One Sub free?

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

Is DSP free?

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

Do One Sub or DSP have ads?

Neither One Sub nor DSP shows ads.

Which is updated more often, One Sub or DSP?

One Sub ships an update every 6 months, and DSP every 5 months. Most recently, One Sub was updated on September 16, 2026 and DSP on September 17, 2026.