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Mastros vs Reveal Ad Spend

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 Reveal Ad Spend
DetailMastros logo MastrosReveal Ad Spend logo Reveal Ad Spend
What it doesPrivacy-first Chrome extensions that export chat and social media data to spreadsheets Free Chrome extension showing estimated ad spend in the Meta Ads Library using EU transparency data
StageStartup Not given
Founded2026 Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: 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: Not given
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
  • Sort ads by EU reach
  • Display real-time EU transparency reach data on ad cards
  • Estimate ad spend using custom CPM and frequency
  • Generate PDF reports with ad creative and reach data
  • EU audience breakdown by age, gender, and location
  • Free account with Google or email login
  • Works across Facebook, Instagram, Messenger, and Meta Audience Network
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
  • Completely free with no usage limits or credit card required
  • EU reach data read locally in browser, never sent to external servers
  • Works without Facebook account on public Meta Ads Library
  • Print-ready PDF reports generated with one click
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)35 no change since last check6 no change since last check
Trust Flow (Majestic)109
Citation Flow (Majestic)2820
Referring domains (Majestic)5413

4 details filled in for both companies.

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