PDF-XChange PRO vs Xodo Sign

PDF-XChange PRO has no write-up on Specifiction yet; its figures are above.

Xodo Sign is an online service for signing, sending and managing documents through PDF editing and e-signature workflows. Users can prepare documents by adding signer and form fields, create reusable templates, set sequential signing order, send reminders and track document status. Completed signatures include a tamper-evident audit trail with signer activity, timestamps and IP addresses. The service runs on the web, iOS and Android, and the Xodo app supports reviewing, signing and sending documents on mobile. Named integrations include Google Docs, Zoho, Dropbox, Salesforce, Zapier and Gmail. Developers can use a JSON-based REST API, webhooks and embedded signing. Listed security and compliance capabilities include eIDAS, U.S. ESIGN, GDPR and SOC 2 Type 2. The Free plan is listed at free and allows up to 3 documents per month; a separate feature-page FAQ says 5 documents per month. Basic costs $10 a year and Professional $16 a year, both billed yearly per user. Professional adds PDF editing tools for redaction, annotation, page reordering and text editing.