Side by side
CASO Comply vs pdfaa.ai
Both stand on pdf accessibility software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APISelf-hostedWeb
CASO Comply provides PDF remediation through hosted or customer-infrastructure deployment, with OCR, validation, and multiple accessibility targets. The hosted API's HIPAA limitation and per-page pricing are important details to weigh.
Visit CASO Comply Free trial Web
pdfaa.ai combines PDF remediation, verification, and certificate evidence in one browser workflow. Its trial can demonstrate the process, while ongoing use requires the paid Page packs or enterprise pricing.
Visit pdfaa.aiThe facts
| CASO Comply | pdfaa.ai | |
|---|---|---|
| Free plan | No | A free trial |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | Web |
| Lowest paid plan | See the plans | Page packs: $2, paid once |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | casocomply.com | pdfaapro.com |
| On pdf accessibility software | #15 of 26 | #19 of 26 |
CASO Comply: what it does well
- Targets WCAG 2.1 AA, PDF/UA, and Section 508
- OCRs scanned and image-only PDFs
- Offers hosted, Docker Agent, and custom deployment options
- Free scan covers up to 25 pages
What to know first
- Hosted Cloud API has no HIPAA Business Associate Agreement
- Office document remediation is listed as coming soon
- No free plan
pdfaa.ai: what it does well
- AI-assisted structure, tags, alt text, and reading order
- Compliance verification with downloadable certificates
- Supports WCAG, PDF/UA-1, Section 508, and ADA reporting
- Batch processing and PDF/UA support
- Free trial pages included
What to know first
- No free plan
- Page packs cost $2, paid once
- Enterprise pricing is separate
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