Technical reviews fall apart when feedback lives in Slack, email, and unmarked PDFs. Approvallo gives engineering and product teams one place to annotate specs, mark issues, and lock in approvals before work ships.
Built for: Engineering managers, product teams, QA, and technical writers
Comment, approve, and track revisions on specs, schematics, and technical PDFs so engineering teams stay aligned.
Leave visual comments on drawings, diagrams, and multi-page technical PDFs.
Compare versions, resolve open issues, and keep a full history of what changed.
Bring engineering, product, and stakeholders into the same review thread.
Capture formal approvals with certificates when a design or spec is ready to build.
Upload specs, drawings, or technical PDFs
Share with reviewers across engineering and product
Pin issues, discuss fixes, and mark comments resolved
Approve the final revision and archive the trail
Lawyers and companies review agreements, policies, and business documents with pin-point comments — without the email chaos.
Agencies and in-house teams review mockups, campaigns, and web designs with visual annotations clients actually understand.
Pin comments to exact moments on the timeline, mark up frames, and approve video creatives without endless “around 0:12” emails.
PDFs, images, presentations, and more — one shared workspace for feedback, versions, and clear approvals on anything.
Free for 14 days. No credit card required. Set up your first project in under 5 minutes.
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