Comparison

PDF Compressor vs Ember

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 without sacrificing quality. Optimize PDFs for storage, sharing, and faster loading. Effortlessly manage and share your compressed files anywhere.

Highlights
  • Efficient PDF compression
  • Retain document quality
  • User-friendly file management
  • Easy sharing via multiple platforms
  • Optimize for storage and transfer
Features
Read full description

Unlock the full potential of your PDF files with our powerful PDF Compressor app! Seamlessly reduce the size of your PDF documents without compromising on quality. Whether you need to save storage space on your device, share files more efficiently, or simply optimize your PDFs for faster loading, our app has you covered. Key Features: Efficient Compression: Our advanced compression algorithms ensure that your PDF files are reduced to the smallest possible size without sacrificing quality. Experience faster file transfers, quicker uploads, and more efficient storage utilization. Retain Quality: Rest assured that your document's quality remains intact throughout the compression process. Our app maintains the integrity of text, images, and formatting to ensure your content looks as good as ever. File Management: Organize and manage your compressed PDF files effortlessly. Access a user-friendly file manager to rename, delete, or share your optimized documents with ease. Share Anywhere: Compressed PDFs are perfect for sharing via email, messaging apps, or cloud storage. Share your files hassle-free with colleagues, clients, or friends, knowing they'll receive a lightweight yet high-quality document. Subscription Policy - Subscriptions are billed weekly or monthly at the rate selected depending on the subscription plan. - Payment will be charged to iTunes Account at confirmation of purchase - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - Subscriptions auto-renew at the cost of the chosen package, unless cancelled 24-hours in advance prior to the end of the current period. Subscriptions may be managed by going to your iTunes Account Settings after purchase. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Privacy Policy - https://sites.google.com/view/pdfcompress/projects Service Terms - https://sites.google.com/view/pdfcompress/terms

About

Ember

Features
Read full description

EMBER is a music app for beginners, suitable for guitar, piano, violin, saxophone, ukulele, and flute. Follow an 8-week learning plan with short daily exercises, accompanied by method cards, demonstration videos, and guided lessons. You can check your progress at any time or send any difficulties you encounter to your teacher. Focused, slow practice is better than long, careless practice.

Screenshots

PDF Compressor4 screens
Ember3 screens

Verdict

The call

The clearest difference is iOS requirement: Ember at 15.6 against PDF Compressor'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. PDF Compressor sells 3 in-app purchases, starting at $4.99 per 7 days and Ember sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PDF Compressor ships an update every 6 weeks, Ember every 3 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
PDF Compressor versus Ember: the parameters behind the verdict, then further details
ParameterPDF CompressorEmber
PriceFreeFree
Rating4.3 (83 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings83 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size61 MB5 MB
Age rating4+12+
DeveloperNextPixel apps玉清 周

In-app purchases

3 purchases

PDF Compressor

Subscriptions3
  • File Compressor - PDF2 variants$4.997 Days
  • File Compressor - PDF3 Days trial$7.997 Days
  • PDF Compressor - Resize file3 Days trial$9.991 Month
10 purchases

Ember

One-time10
  • buy diamonds$1.99
  • buy diamonds$2.99
  • buy diamonds$3.99
Show 7 more
  • buy diamonds$4.99
  • buy diamonds$6.99
  • buy diamonds$8.99
  • buy diamonds$19.99
  • buy diamonds$39.99
  • buy diamonds$49.99
  • buy diamonds$84.99

Questions

Is PDF Compressor free?
PDF Compressor is free to download, with in-app purchases available.
Is Ember free?
Ember is free to download, with in-app purchases available.
Do PDF Compressor or Ember have ads?
Neither PDF Compressor nor Ember shows ads.
Which is updated more often, PDF Compressor or Ember?
PDF Compressor ships an update every 6 weeks, and Ember every 3 weeks. Most recently, PDF Compressor was updated on October 27, 2026 and Ember on October 24, 2026.

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