Comparison

bdsound vs PDF Converter Pro Master

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

Head to head

PDF Converter Pro Master

Free

🔧 Utilities

No ratingsView app →

About

bdsound

Features

Read full description

This is the Bluetooth speaker control APP, here you can connect to the speaker, there are many functions, such as music, microphone, guitar volume can be adjusted. In the individual interface there are balancing functions, but also see red sound, high school bass and so on. Let you do not need to touch the Bluetooth speaker, you can control the speaker within a certain distance.

About

PDF Converter Pro Master

Features

Read full description

PDF Converter Pro is a powerful file conversion tool that effortlessly converts HTML, EXCEL, TXT, PPT, and other files to PDF, and also supports converting PDF files back to HTML, EXCEL, TXT, PPT, and other formats. The software features a history record function, allowing users to easily manage and view all their conversion records, ensuring every conversion is well-organized. Whether for work or study, PDF Converter Pro provides you with an efficient and convenient file conversion experience. Download now and enjoy more efficient file management!

Screenshots

bdsound4 screens

PDF Converter Pro Master4 screens

Verdict

The call

The clearest difference is iOS requirement: bdsound at 9.0 against PDF Converter Pro Master's 16.0. 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 October 8, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 5 level

bdsound versus PDF Converter Pro Master: the parameters behind the verdict, then further details
Parameter	bdsound	PDF Converter Pro Master
Price	Free	Free
Update frequency	Every 2 months	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	9.0 — better	16.0
Further details — not scored
Size	101 MB	11 MB
Age rating	4+	4+
Developer	GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD.	HK YIHAN TECHNOLOGY CO., LIMITED

In-app purchases

None

bdsound

No in-app purchases

None

PDF Converter Pro Master

No in-app purchases

Questions

Is bdsound free?

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

Is PDF Converter Pro Master free?

PDF Converter Pro Master is free to download, with no in-app purchases.

Do bdsound or PDF Converter Pro Master have ads?

Neither bdsound nor PDF Converter Pro Master shows ads.

Which is updated more often, bdsound or PDF Converter Pro Master?

bdsound ships an update every 2 months, and PDF Converter Pro Master every 2 months. Most recently, bdsound was updated on October 8, 2026 and PDF Converter Pro Master on October 7, 2026.