OpenCapture vs AI Perfect Assistant

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenCapture compared with AI Perfect Assistant
Detail	OpenCapture	AI Perfect Assistant
What it does	Free full-page screenshot browser extension for Chrome, Edge and Firefox	ChatGPT add-ins for Microsoft Office applications to boost productivity with AI tools
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: Full-page, visible-area and selected-area capture, crop, draw, text, shapes, blur, unlimited undo, and export to PNG or PDF. Supporter: $5 for 1,000 credits (one-time, includes tiled logo or text watermark with custom opacity, position, and angle).	Free plan available forever with 10 monthly tokens and default model selection. Premium plan at $25.99/month (discounted to $16.99/month when billed annually) with unlimited tokens and access to multiple AI models (DeepSeek, Gemini, ChatGPT, Claude, Perplexity). A limited-time 30% discount is curren
Key features	Full-page screenshot capture Visible-area and selected-area capture modes Crop and resize images Draw, text and shapes annotation Blur sensitive information Unlimited undo Export to PNG or PDF Capture history with last 50 screenshots Tiled watermark (Supporter feature)	60+ AI tools for writing, summarization, and content generation Native integration with Word, Excel, PowerPoint, Outlook, OneNote, and Teams Support for multiple AI models including ChatGPT, Claude, Gemini, Perplexity, and DeepSeek Generate professional email replies and messages Summarize and extract key points from long text Excel formula generation and explanation Translation across multiple languages Telegram integration for chat messages and translation
What makes it different	Completely open source under AGPL-3.0-or-later so users can verify no data collection All processing done locally with no uploads unless buying credits No account required for all core features One-time payment for Supporter feature instead of subscription Stitches full pages into seamless single images	Works natively inside Office applications instead of requiring a separate tool Over 60 AI tools in one subscription covering writing, summaries, formulas, and more More affordable than Grammarly Business or QuillBot Premium Generate reports, summaries, and meeting notes in one click
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	19 no change since last check
Trust Flow (Majestic)	21	3
Citation Flow (Majestic)	21	36
Referring domains (Majestic)	25	275

5 details filled in for both companies.

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