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OnlyRead 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.

OnlyRead compared with Reveal Ad Spend
DetailOnlyRead logo OnlyReadReveal Ad Spend logo Reveal Ad Spend
What it doesRead-only mode for AI browser agents Free Chrome extension showing estimated ad spend in the Meta Ads Library using EU transparency data
StageMVP Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: $0/month, open source with bring-your-own-model key. Pro: Free during early access with 1,000 judged requests; $5/month when paid tier launches. Not given
Key features
  • Blocks write, post, delete and purchase operations
  • Works with any Chromium browser and AI agent
  • App-specific rules and request classification
  • Open source codebase
  • Central control across multiple browsers (Pro)
  • One-link agent browser setup (Pro)
  • No API key required (Pro)
  • Per-account usage limits with fail-closed behavior
  • Tested on 1,000+ real tasks
  • 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
  • Reduces accidental changes by AI agents without eliminating access to read data
  • Open source with full code transparency
  • Fail-closed design for unclassified requests
  • Tested against real AI agent tasks on major websites
  • Fully managed Pro option with no setup required
  • 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)Not checked yet no change since last check6 no change since last check
Trust Flow (Majestic)09
Citation Flow (Majestic)020
Referring domains (Majestic)013

4 details filled in for both companies.

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