Drawing approvals, finally under control.
The engineering drawing review and approval platform that keeps projects moving and teams aligned. Distribute drawings, collaborate on annotations, collect approval signatures, and keep a complete audit trail — from anywhere.
- Faster reviewsCut approval cycles in half
- Greater accuracyReduce markups and rework
- Full traceabilityEvery decision documented
- Enterprise secureSOC 2 Type II
Trusted by engineering teams
Up to 50% faster approval cycles.
Email chains weren't built for engineering approvals.
Manual review with scattered PDFs, physical signatures, and inbox threads makes it hard to know what's approved — and impossible to prove it later.
Everything you need to release a drawing with confidence.
Release & revision workflows
Create an Action, assign engineer, drafter, reviewer, and approver, and send it for review.
Multi-PDF upload
Drop 1–30 drawings per action with automatic sheet size detection (ANSI A–E, ISO A0–A4, or custom templates). 3D STEP files auto-match to PDF drawings by file name.
Collaborative annotations
Text notes and sketch markup with threaded replies, right on the drawing.
Title-block e-signatures
Approval fields auto-placed from your drawing templates and filled with name + timestamp.
Version history
Replace a PDF and prior versions are preserved; approvals reset automatically.
Notifications & due dates
In-app and email reminders keep pending assignees on track.
Review the model, not just the print.
Attach STEP files to any drawing and review them in the browser — measure features, inspect B-rep edges, rotate with the view cube, and explode assemblies. No CAD seat required.
- In-browser STEP viewer
- Measure tool
- Exploded assembly view
- Collaborative annotation tools
- Included in Action Report exports
From draft to approved in four steps.
- 1
Create an action
Choose release or revision and upload your drawings.
- 2
Assign & send
Add reviewers and approvers and send for review.
- 3
Review & sign
Reviewers annotate and disposition; approvers sign in the title block.
- 4
Export the package
Download approved drawings or a full Action Report with timeline and burned-in markups.
Built for everyone in the approval chain.
A complete, exportable record of every decision.
Every review, approval, and revision is captured automatically. Export an Action Report (CSV timeline + all PDF versions with annotations burned in) or download just the approved drawings with approval stamps.
- 100%
- of signatures captured electronically
- Full Traceability
- Complete audit trail per action
- Secure Data
- Org-scoped, isolated storage
Engineering teams move faster with Aproveo.
“We cut our approval turnaround from days to hours and finally have a clean record of every sign-off.”
“The title-block signatures alone saves us from the time sink of manual PDF editing and Adobe Sign configuring.”
“Reviewing the STEP model next to the drawing catches issues we used to miss.”
Simple pricing that scales with your team.
Start free. Upgrade when you need more actions, storage, and seats.
- Up to 5 actions
- Up to 2 members
- Personal workspace (name fixed)
- No third-party API access
- Unlimited actions
- 50 GB storage
- Up to 50 seats
- Rename workspace + API access
- Unlimited actions
- 2 TB storage
- Up to 100 seats
- $5 per additional seat / month
- Rename workspace + API access
- Dedicated deployment options
- Custom storage & scope
- Services & customization
Frequently asked questions
What is Aproveo?
Aproveo is a cloud platform for reviewing and approving engineering drawings. It replaces email chains and manual signatures with auditable release-and-revision workflows.
What file types can I upload?
PDF drawings (1–30 per action) with automatic sheet-size detection, plus optional STEP (.step/.stp) files for in-browser 3D review.
How do electronic signatures work?
Approval fields are auto-placed in your drawing's title block from your templates and filled with the approver's name and a timestamp. (Name + timestamp, not cryptographic.)
Can I review 3D models?
Yes. Attach a STEP file to a drawing and review it in the browser with measure, view cube, and exploded-assembly tools — no CAD seat required.
What happens when a drawing changes?
Replace the PDF and prior versions are preserved while approvals reset, so nothing is approved by accident.
Is my data secure and isolated?
Each workspace has org-scoped, isolated storage and a complete audit trail of sensitive operations.
Can I export my data?
Yes. Export an Action Report (CSV timeline + all PDF versions with annotations) or download just the approved drawings. Workspace lifecycle tools support export and purge.
Is there a free plan?
Yes — the Personal plan is free with up to 5 actions and 2 members. Upgrade to Consultant or Team for more.
Bring your drawing approvals under control.
Start free in minutes — no credit card required.