GACS vs Scam Sniffer
Web3 wallet-drain detector for crypto users. Honest, factual comparison — last updated June 2026.
Scam Sniffer founded 2022
Pricing: Free browser extension · Paid API
GACS: Free, no ads
| Feature | GACS | Scam Sniffer |
|---|---|---|
| Primary purpose | Consumer scam detection | Web3 wallet protection |
| Wallet-drain pre-sign warning | No (on roadmap) | Yes (specialty) |
| Website / URL check | Yes | Yes |
| Crypto wallet address check | Yes | Yes |
| Social profile scanner (IG/TikTok/X/Telegram) | Yes | No |
| Romance / pig-butchering coverage | Yes | No |
| Recovery-scam detection | Yes | No |
| Phone number check | Yes | No |
| Public per-scam intel pages indexed | 34,000+ | Limited |
| Works without browser extension | Yes | Limited |
| Real-time alerts feed (RSS) | Yes | Limited |
Where Scam Sniffer shines
- Best-in-class real-time wallet-drain detection inside Web3 dApps.
- Deep focus on phishing sites built specifically to drain wallets at signing time.
Where GACS shines
- Covers the wider attack surface: social DMs, romance, pig-butchering, recovery, phone scams.
- Works without an extension — anyone can check a URL, wallet, or profile from the web app.
- Public per-scam intel pages that anyone can share as a warning, indexed by Google.
The honest verdict
Scam Sniffer is the strongest tool for on-chain wallet protection inside Web3 dApps — many users run both. GACS covers the broader scam surface (social, romance, recovery, phone) that crypto-native tools don't touch.
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