Side by side

PDF Candy vs PDFOptim

Both stand on pdf compressors. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

PDF Candy

Free plan AndroidiPhoneLinux+3

PDF Candy combines a broad set of PDF tools with AI features and cloud storage connections. The free plan has usage restrictions, while education users can access a year of online PRO under the listed offer.

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PDFOptim

Free plan iPhoneMacWeb+1

PDFOptim combines PDF editing tools with browser-based and native offline options. The free plan has daily operation and file-size limits; Pro Monthly and Lifetime remove the listed operation limit and allow files up to 200 MB.

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The facts

	PDF Candy	PDFOptim
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Android, iPhone, Linux, Mac, Web, Windows	iPhone, Mac, Web, Windows
Lowest paid plan	Desktop + Web Yearly: $4 a year	Pro Monthly: $4.99 a month
Plans published	4	3
Maker	PDF Candy	Not published
Website	pdfcandy.com	pdfoptim.com
On pdf compressors	#2 of 22	#6 of 22

PDF Candy: what it does well

Includes text editing, annotations, OCR, and conversion.
AI tools summarize, chat with, and translate PDFs.
Imports from Google Drive and Dropbox.
Windows desktop tools can operate offline.
Processed files are deleted within two hours.

What to know first

Free plan has page and hourly restrictions.
Free plan limits file size and excludes batch processing.
Desktop operations are limited on the free plan.
Web Monthly costs $6 a month.

PDFOptim: what it does well

Browser tools process files without server uploads.
Works offline after initial page loading.
Compresses PDFs by up to 90%.
Batch compression is available.
Lifetime plan includes future tools.

What to know first

Free plan limits users to three daily operations.
Free plan caps files at 25 MB.
Password-protected PDFs may not compress.

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