Comparison

PDF Compressor vs Audio Compressor

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

Head to head
About

PDF Compressor

Reduce the size of your PDF documents with this easy-to-use tool. Select your file, choose the desired output quality, and compress your PDFs with a single tap. Save disk space and speed up uploads and downloads.

Highlights
  • Compress PDF files
  • Reduce PDF file size
  • Select output PDF quality
  • Easy-to-use interface
  • Single-tap compression
Features
Read full description

If you want to reduce your PDF file size, save your disk space back and faster on uploads and downloads, ... then let PDF Compressor - Compress PDF File app help you. You can easily compress your PDF files right on your device, with just one tap to select your file Select quality of output PDF to reduce file size PDF. PDF Compressor is a tool to compress PDF documents to reduce PDF file size. Compress PDF files allows you to select heavy PDF files to reduce their size. PDF compressor will simply reduce pdf file size with a single tap. PDF Compressor is free and the best tool to reduce PDF file size. Do download this compressor app and tell us more about how we can improve it. Compressing PDF file size makes it possible for anyone to reduce your PDF document size, especially useful for those PDF files with many scan graphics and photos. Compressed PDF documents require less disk space for storage and faster uploads and downloads save transmission time and cost. This app gives you access to compression options to help you to reduce PDF file size without compromising the document's integrity. Compress PDF File rewrites the entire PDF documents using selected compression options as efficiently as possible. Some PDF documents might not get compressed, because the PDF documents might be already compressed or have nothing much to compress. With our simple and easy-to-use app, you can compress/reduce pdf file sizes using your IOS device. Compress PDF file size has the following features: - Very smart and easy-to-use PDF compressor. - Compress PDF files to reduce PDF file size.

About

Audio Compressor

Features
Read full description

Audio Compressor helps you reduce audio file size and extract audio from video with advanced controls and a clean, fast workflow. Import audio or video files and compress them in seconds using quick presets or manual settings. You can choose output format, bitrate, sample rate, channels, target file size, trim start and end, normalization, and metadata options. It is built for saving storage, sharing files faster, preparing podcasts, voice notes, interviews, music, lectures, and work-ready audio exports. Main features: • Compress audio in a simple flow • Extract audio from video • Optimized output formats • Bitrate, sample rate, and channel control • Target file size mode • Audio trimming • Optional normalization • Keep or remove metadata • Built-in preview • Easy save and share • Conversion history This app is made for users who want a serious audio compressor with more control than basic one-tap apps. Use presets for speed or switch to advanced mode when you need better control over final quality, file size, or compatibility. Premium only removes ads. All compression features are available to every user. If you want an audio compressor for MP3, M4A, and other audio files, a size reducer with real settings, and a simple way to extract audio from video on mobile, Audio Compressor is built for that.

Screenshots

PDF Compressor3 screens
Audio Compressor4 screens

Verdict

The call

The clearest difference is in-app purchases: PDF Compressor at none against Audio Compressor's 1. PDF Compressor also leads on iOS requirement (15.0 vs 18.6). Audio Compressor's advantage is ads (none vs shown). On price 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. Audio Compressor sells 1 one-off in-app purchase. PDF Compressor asks for nothing beyond the download.

Scorecard3 real differences · 7 level
PDF Compressor versus Audio Compressor: the parameters behind the verdict, then further details
ParameterPDF CompressorAudio Compressor
PriceFreeFree
Rating4.6 (813 ratings) — better—
Positive reviews26.0% of reviews—
Number of ratings813 — better—
Update frequencyEvery 2 months—
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size11 MB25 MB
Age rating4+4+
DeveloperVishalbhai VaghasiyaAntonio Gonzalez de la aleja german

Bugs and requests

PDF Compressor

Reported bugs

9 issues
  • App crashes on second compression attempt
  • File size increases instead of decreasing
  • App exits unexpectedly after compression
  • Compressed file unrecognizable or corrupted
  • Keyboard numbers display as blank
Show 4 more
  • Slow compression times (5+ minutes for small files)
  • Unable to save or retrieve compressed files
  • Document pages expand instead of compress
  • App crashes on launch

Requested features

5 requests
  • Reduce or eliminate advertisements
  • Add compression quality/control settings
  • Batch file compression capability
  • Improved preview functionality for multiple documents
  • Better file naming conventions for compressed files

Audio Compressor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PDF Compressor

No in-app purchases

1 purchases

Audio Compressor

One-time1
  • Remove Ads$2.99

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with no in-app purchases.
Is Audio Compressor free?
Audio Compressor is free to download, with in-app purchases available.
Do PDF Compressor or Audio Compressor have ads?
PDF Compressor shows ads; Audio Compressor does not.

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