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Opus Growth vs Firstier Disclose

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

Opus Growth compared with Firstier Disclose
DetailOpus Growth logo Opus GrowthFirstier Disclose logo Firstier Disclose
What it doesManage your ads from ChatGPT and Claude A drop-in widget that adds visible EU AI Act Article 50 AI-content labels to any site in one line
StageStartup Not given
Founded2026 Not given
Based inTR DE
Pricing modelFreemium Not given
PricingFree: 75 credits that never expire, no card required. Pro: $49/month (5,000 credits monthly). Agency: $99/month (unlimited credits). All-in-One: $149/month. Enterprise: Custom pricing. Yearly pricing available at 17% discount. Free forever. No account, no backend, no usage limits.
Key features
  • Connect Google, Meta, Microsoft, TikTok, LinkedIn and ChatGPT ad accounts
  • Build campaigns in natural language
  • Find wasted ad spend
  • Budget safety limits
  • Live account data and reports
  • Cross-platform account comparison
  • Works with multiple AI assistants
  • Audit log of all actions
  • Multi-account management for agencies
  • Official EU AI-label icons (AI, AI GENERATED, AI MODIFIED)
  • Content type detection (images, video, audio, articles, pages)
  • All 24 EU languages automatically
  • WCAG 2.2 AA accessibility with ARIA and keyboard support
  • Shadow DOM isolation for design independence
  • No network calls, cookies, or tracking
  • Machine-readable marking (schema.org + IPTC digitalSourceType)
  • MIT-licensed open source
  • Optional Stamp tool for embedded image watermarking
  • Self-hosting and CDN support
What makes it different
  • Works in your existing chat with ChatGPT or Claude
  • 60-second setup without technical skills
  • Password never leaves your device via OAuth
  • Single connection for six ad platforms
  • Free forever with no account, backend, or per-domain limits
  • Single line of code with zero configuration required
  • Official EU AI-label icons unmodified for regulatory alignment
  • Automatic language detection across all 24 EU languages
  • Zero performance impact: 24 kB async load with no tracking
Community votes00
DR (Domain Rating by Ahrefs)48 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)3022
Referring domains (Majestic)604

5 details filled in for both companies.

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