PDF Expert vs PDF24

as AI assistants see them, week of 2026-09-21

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PDF Expert and PDF24 land close together overall, with scores of 14 and 10 out of 100. PDF Expert shows up in 15 of 68 answers, slightly ahead of PDF24's 14 of 68, and it swept the mobile question, named in 4 of 4 answers for best PDF editor app for iPhone or Android, plus 3 of 3 for best Mac PDF editor. PDF24 leans more toward browser-based and budget tasks, named in 2 of 4 answers for online PDF editors and PDF compression. Head-to-head, PDF24 comes out ahead more often, leading in 7 questions to PDF Expert's 4, with 9 tied.

Head to head

metric	PDF Expert	PDF24
score	14	10
questions won	7	11

By assistant

PDF Expert

assistant	score	named in, this week	usual spot, this week
ChatGPT	13	15% of answers	#2.3
Claude	18	30% of answers	#5.7
Gemini	not sampled this week
Perplexity	13	20% of answers	#4.8

PDF24

assistant	score	named in, this week	usual spot, this week
ChatGPT	7	10% of answers	#3.5
Claude	8	15% of answers	#7.7
Gemini	not sampled this week
Perplexity	15	20% of answers	#3.0

Where they differ

Only PDF Expert gets named for

What's the best PDF editor for Mac?
What's the best PDF editor app for iPhone or Android?
What's the best alternative to Adobe Acrobat?

Only PDF24 gets named for

What's the best tool to edit a PDF without a subscription?
What's the best tool to compress a large PDF?
What's the best online PDF editor that works in the browser?
What's the best free PDF editor?
What's the best PDF editor for Windows?
What's the best tool to fill in and sign a PDF form?
Which PDF editor is best value for a small business?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full PDF editors leaderboard