Mastros vs ExtBid

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

Mastros compared with ExtBid
Detail	Mastros	ExtBid
What it does	Privacy-first Chrome extensions that export chat and social media data to spreadsheets	Chrome extension to download Instagram posts, Reels, Stories, and Highlights
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: 100 profiles and 100 messages per month (WhatsApp), or 250 profiles and 300 messages per month (Telegram), or 250 records (LinkedIn). Instagram and TikTok free and unlimited in beta. Pro: $9/month with 5,000 profiles and 10,000 messages per month (WhatsApp), or 5,000 records (LinkedIn). Scale:	Monthly: $4.99/month USD (auto-renews on PayPal). Yearly: $29.99/year (about $2.50/month). Lifetime: $79.99 one payment. Free plan includes 20 bulk runs per UTC week, Download New on 10 accounts, and 20 links per Download by Link task. Coupon LAUNCH20 gives 20% off the first period or lifetime.
Key features	Export group members and chat messages to CSV, JSON or JSONL Bulk media download from chats Export LinkedIn searches with Sales Navigator support Extract email and website from Instagram and TikTok bios Calculate exact TikTok engagement rates Process all data in the browser with no server involvement Read-only with no automation or message sending	Download All to back up a whole profile Download New for only new posts since last run Download by Link to save posts from URLs or lists Customizable naming and folder organization CSV export of downloaded files Download history by profile Google Drive integration for Pro users
What makes it different	Works with no account creation, API key or password required Reads only visible data; cannot reveal hidden information or deleted messages Five tools with the same pricing model and interface Instagram and TikTok extensions are free and unlimited during beta	Download New maintains baselines to avoid duplicates Human support within 24 hours Works inside Instagram tab with no redirects or external sites
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)	35 no change since last check	2 no change since last check
Trust Flow (Majestic)	10	3
Citation Flow (Majestic)	28	18
Referring domains (Majestic)	54	28

5 details filled in for both companies.

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