GACS vs ScamAdviser
Established website trust-score directory. Honest, factual comparison — last updated October 2026.
ScamAdviser founded 2012
Pricing: Free with ads · Paid API · Mobile app
GACS: Free, no ads
| Feature | GACS | ScamAdviser |
|---|---|---|
| Free to use | Yes — always | Yes (ad-supported) |
| Website scam check | Yes | Yes |
| Crypto wallet check | Yes (multi-chain) | No |
| Phone number check | Yes | Yes (mobile app + paid API) |
| Mobile app | No — web app + browser extension | Yes (iOS + Android) |
| Real-time scam alerts feed | Yes (RSS + JSON) | Limited |
| Public API (no key) | Yes | Paid |
| Embeddable trust badge | Yes | Yes |
| Browser extension | Yes | Yes |
| Recovery-scam protection guide | Yes | Limited |
| Multilingual UI | Yes | Yes |
| Ads / tracking | None | Display ads |
| Open source signals | Yes | No |
Where ScamAdviser shines
- Larger historical database from 12+ years of operation.
- Well-known brand recognized by mainstream media.
- Free iOS/Android app with scam-call blocking and phone-number checks.
- Established commercial API for enterprise customers.
Where GACS shines
- Completely ad-free and tracker-free — your check isn't a data product.
- Crypto-native: wallet, token and on-chain signal checks built in.
- Free public API and RSS feed with no signup or rate-limit gate.
The honest verdict
ScamAdviser is the safer pick if you only need a quick website-trust glance and you trust ad-funded models. GACS is the better fit if you also deal with crypto, want a free developer API, or care about a no-tracking experience.
All trademarks belong to their respective owners. Information based on each provider's public website at time of writing. Spot something out of date? Tell us.
Authoritative sources
Independent primary sources used to check and corroborate the guidance on this page.
FBI Internet Crime Complaint Center (IC3)Official US channel for reporting internet-enabled fraud and cybercrime.
US Federal Trade Commission — ReportFraudConsumer fraud reporting and published enforcement data.
UK Report FraudUK national reporting centre for fraud and cybercrime.
Canadian Anti-Fraud CentreCanada's central repository for fraud reports and scam alerts.