# Approval Studio > Approval Studio is an online proofing software for real-time design review and artwork approval. It is a design review tool for smart team collaboration — combining annotation, version comparison, project management, AI assistance, and client review in one platform. Approval Studio serves creative agencies, in-house marketing teams, packaging designers, graphic designers, and teams in advertising, retail, pharma, architecture, and online media. External reviewers (clients) can annotate and approve without registering. Supports 23+ file formats including PDF, AI, PNG, TIFF, JPEG, BMP, GIF, and video. Available in English, German, Spanish, French, and Ukrainian. Address: 900 Foulk Road, Wilmington, DE, USA, 19803. ## Core Product - [Homepage](https://approval.studio/): Design review tool for smart team collaboration. - [Features](https://approval.studio/features/): Full feature index — review tool, project management, tools & integrations. - [Pricing](https://approval.studio/pricing/): Lite ($60/mo, 5 users, 5 GB), Pro ($160/mo), Pro XL ($300/mo, 15 users, 30 GB), Enterprise (custom). All plans include a free trial. - [Demo review tool](https://approval.studio/demo/): Try the review interface without signing up. - [Video tutorials](https://approval.studio/video-tutorials/): Walkthroughs of key features. - [Customers' reviews / testimonials](https://approval.studio/testimonials/): User feedback and ratings. - [Clients' stories](https://approval.studio/clients-stories/): In-depth customer case studies (e.g. CSS Industries, NV Magazine). ## Review Tool Features - [Annotations](https://approval.studio/features/annotations/): On-image markup with rectangles, ellipses, lines, arrows, and freehand shapes. Comment threads per annotation. - [Comparison modes](https://approval.studio/features/comparison-modes/): Four modes to diff two file versions — overlay, side-by-side, difference highlight, and AI-powered. - [Color separation](https://approval.studio/features/color-separation/): Inspect individual print colour channels in the review tool. - [Barcode reader](https://approval.studio/features/barcode/): Validate barcodes on packaging and print files directly in the tool. - [Spellchecker](https://approval.studio/features/spellchecker/): Check spelling in PDF proofs without leaving the review tool. - [Ruler](https://approval.studio/features/ruler/): Measure distances and dimensions on-screen. - [External reviews](https://approval.studio/features/external-review/): Clients review and approve via link — no account registration required. - [Online review sessions](https://approval.studio/features/review-sessions/): Live collaborative review sessions with multiple participants. - [Video review](https://approval.studio/features/video-review/): Frame-by-frame annotation and review of video files. - [Discussion board](https://approval.studio/features/disscussion-board/): Threaded project-level discussions separate from asset annotations. - [Reference files](https://approval.studio/features/reference-files/): Attach briefs, brand guidelines, or supporting docs to a project. - [Artwork cycles](https://approval.studio/features/artwork-cycles/): Track rounds of revision and approval status across versions. - [Various file formats](https://approval.studio/features/various-file-formats/): 23+ supported formats including PDF, AI, TIFF, JPEG, PNG, GIF, BMP, video. - [Multi-language interface](https://approval.studio/features/multi-language-interface/): EN, DE, ES, FR, UK. - [AI Assistant](https://approval.studio/ai-assistant/): Built-in AI chat inside the review tool for proof-checking, paraphrasing, and answering questions without leaving the tool. ## Project Management Features - [Dashboard & search](https://approval.studio/features/dashboard/): Overview of all projects and assets with filtering and search. - [Advanced search](https://approval.studio/advanced-search/): Cross-project search for assets and content. - [Tasks](https://approval.studio/features/tasks/): Assign and track tasks linked to specific assets or projects. - [Reporting](https://approval.studio/features/reporting/): PDF proof reports with full annotation history, timestamps, and approval status. - [Timeline](https://approval.studio/features/timeline/): Chronological event log for every project action. - [Notifications](https://approval.studio/features/notifications/): Configurable alerts for comments, uploads, approvals, and status changes. - [Mobile app](https://approval.studio/features/mobile/): Responsive mobile interface for on-the-go reviews. Dedicated mobile app page at [/mobile-app/](https://approval.studio/mobile-app/). - [User management](https://approval.studio/features/user-management/): Manage team members, roles, and permissions. - [Customisations](https://approval.studio/features/customizations/): Custom logo, background, dark mode, branded client-facing experience. - [Digital Asset Library (DAL)](https://approval.studio/dal/): Centralised hub for approved assets — retrieve and reuse across projects in a few clicks. - [Analytics](https://approval.studio/analytics/): High-level metrics on team throughput, review cycles, and approval rates. - [Workflows](https://approval.studio/workflows/): Configurable multi-step approval workflows. ## Tools & Integrations - [Tools overview](https://approval.studio/tools/): Full toolkit index. - [MCP Server](https://approval.studio/features/mcp/): Approval Studio MCP server — connect AI agents to manage projects, assets, users, tasks, timelines, and webhooks via natural language. Works with n8n, Microsoft Power Automate, Zapier, Make, and any MCP-compatible client. - [Public API](https://approval.studio/api/): REST API (v1.30, released 9 Sep 2025) and GraphQL API (v0.20 beta, released 25 Nov 2025) for custom integrations and workflow automation. - [GraphQL API reference (online)](https://approval.studio/api/graphql-view-documentation): Full GraphQL schema docs. - [GraphQL API reference (PDF)](https://approval.studio/api/graphql-download-documentation): Downloadable GraphQL reference. - [Adobe Extension](https://approval.studio/adobe-extension/): Upload directly from Adobe Illustrator and Photoshop. - [Zapier integration](https://approval.studio/features/zapier-integration/): Connect to 5,000+ apps via Zapier. - [Slack integration](https://approval.studio/features/slack-integration/): Real-time Slack notifications for review events. - [Shopify integration](https://approval.studio/shopify/): Artwork review within Shopify / print-on-demand workflows. - [PDF to JPG converter](https://approval.studio/tools/): Free utility tool. ## Workflow Solutions - [Team collaboration](https://approval.studio/team-collaboration/): Internal team review and approval workflows. - [Client collaboration](https://approval.studio/client-collaboration/): External client-facing review flows. - [Review process](https://approval.studio/review-process-solution/): End-to-end review process solution. - [Project management](https://approval.studio/project-management/): Creative project management with Kanban, Folder, Masonry, List views. - [Workflow solutions overview](https://approval.studio/workflow-solutions/): All workflow use cases. ## Industry Solutions - [Packaging design](https://approval.studio/packaging-design/) - [Marketing & advertising](https://approval.studio/marketing-and-advertising/) - [Graphic design](https://approval.studio/graphic-design/) - [Retail & manufacturing](https://approval.studio/retail-and-manufacturing/) - [Architecture](https://approval.studio/architecture/) - [Pharma & medical](https://approval.studio/pharma-medical/) - [Branding](https://approval.studio/branding/) - [Online media](https://approval.studio/online-media/) ## Resources & Support - [Blog](https://approval.studio/approval-studio-blog/): Design approval, online proofing, packaging design, project management, and industry news. - [Latest release notes](https://approval.studio/blog/release-notes-january-2026/): January 2026 product update. - [Glossary](https://approval.studio/glossary/): Key terms for online proofing and design review. - [Trust & Security](https://approval.studio/security/): Certifications, payment security, authentication, availability, and 24/7 support. - [System status](https://approval.studio/system-status/): Live uptime status. - [Contact](https://approval.studio/contact/): Get in touch. - [Affiliate program](https://approval.studio/join-our-affiliate-program/): Partner referral programme. - [Project & vision](https://approval.studio/project-and-vision/): Company mission and background. - [Product timeline](https://approval.studio/product-timeline/): History of product milestones. ## Comparisons & Alternatives - [vs. Workfront / ProofHQ](https://approval.studio/make-your-way-from-worfkfront-to-approval-studio/) - [vs. PageProof](https://approval.studio/why-choose-approval-studio-over-pageproof/) - [vs. Ziflow](https://approval.studio/switch-to-approval-studio-ziflow-alternative/) - [vs. QuickReviewer](https://approval.studio/squickreviewer-alternative/) - [Blog: best approval software roundup](https://approval.studio/blog/best-approval-software/) - [Blog: vs. Ziflow](https://approval.studio/blog/ziflow-review-comparison-with-approval-studio/) - [Blog: vs. GoVisually](https://approval.studio/blog/govisually-or-approval-studio-what-proof-tool-to-choose/) - [Blog: vs. CageApp](https://approval.studio/blog/cageapp-review-comparison-with-approval-studio/) - [Blog: vs. GoProof](https://approval.studio/blog/goproof-review-comparison-with-approval-studio/) ## Legal - [Privacy policy](https://approval.studio/privacy-policy/) - [Terms of service](https://approval.studio/terms-of-service/) - [Cookie policy](https://approval.studio/cookie-policy/)