Alt Audit vs Altvisor

Alt Audit generates AI alt text, scans websites for missing or weak image descriptions, and exports accessibility reports. Its site audits inspect real pages, extending checks beyond individual image uploads. The service says Google Gemini 2.5 Flash generates context-aware text; it describes its image checks as aligned with WCAG Level A requirements and says output meets WCAG 2.2 standards. Reports can be exported as PDFs and summaries for clients, stakeholders, or content teams. A WordPress plugin can create text when images are uploaded and process existing media-library images in bulk. Users can create API tokens from the dashboard for integrations. Each image uses one credit, subscription credits reset monthly, and unused credits do not roll over. Alt Audit says images are accessed temporarily by URL and discarded after processing, while image URL references and generated alt text are stored. The Free Starter plan includes 25 credits per month. Paid plans start with Starter at $5 a month for 800 credits; Pro is $19 a month for 3,000 credits, and Agency is $49 a month for 8,000 credits and API access.

Altvisor is a web tool for generating image alt text and coordinating accessibility work for EU e-commerce sites. It drafts descriptions against WCAG 2.1 Level AA in all 24 official EU languages, with a person able to review and edit each suggestion before publishing. Its scanner checks alt text, headings, semantic structure, and language tags, then provides an AI visibility score; every plan includes a free scan. The product can prepare accessibility statements and compliance reports from scan results, but statements are self-declarations rather than certificates. Users can import images from websites and connect WordPress or WooCommerce. Shopify and WordPress plugins, a Chrome extension, and API documentation are marked as coming soon. Free costs nothing and covers 50 images monthly on one website, without an accessibility statement. Starter costs €12 a month, billed €144/yr, and covers 600 images monthly across two sites. Growth costs €36 a month, billed €432/yr; Business costs €76 a month, billed €912/yr. Altvisor says its AI inference remains in the EU, and uploaded images are processed in memory and deleted from storage.