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Honest comparison · Updated June 2026
GACS vs Scamalytics
They sound like alternatives. They’re not. Scamalytics is a B2B IP fraud-scoring API used by dating sites and ad networks. GACS is a free consumer tool for checking whether a website, crypto wallet, or social account is a scam. Here’s the honest breakdown so you pick the right one in 30 seconds.
Free forever
No signup
No wallet connection
No ad-tracking
The 30-second answer
Pick GACS if you’re a person
You got a suspicious DM, found a too-good investment site, were asked to send crypto to an address, or want to check if a freelancer or vendor is legit. GACS gives you a verdict in 2 seconds, free, no signup, no wallet prompt.
Pick Scamalytics if you’re a business
You run a dating site, ad network, sportsbook, or e-commerce platform and need to score the IP behind every signup or transaction. Scamalytics returns a 0–100 fraud risk for an IP using proxy/VPN/Tor and historical-abuse signals.
They overlap on exactly one thing: both are free to run a single lookup on their website. Beyond that, they answer completely different questions.
What Scamalytics actually does
Scamalytics is one of the older players in the IP-reputation space. Their core product is a fraud-scoring API: you POST an IP address, you get back a risk score (0–100), a fraud classification, and signals indicating whether the IP belongs to a known proxy, VPN, Tor exit node, or commercial datacenter. The score is built from a mix of in-house abuse data, partner feeds, and behavioural patterns observed across their customer base (dating sites are the canonical use case).
The free lookup page at scamalytics.com is essentially a sales demo for the API. It’s genuinely useful if you want to check why a user is being flagged, debug a payment failure, or confirm a VPN is being detected — but it’s not designed to answer “is this website a scam?” or “is this wallet stealing money?” The IP score can’t see any of that.
That’s where the confusion comes from. The brand contains the word scam, so people Googling “is X a scam” or “scam checker” land on the Scamalytics page and assume it’s a consumer tool. It isn’t.
What GACS actually does
GACS — Global Anti-Crime & Safety — is a free, ad-free, donation-funded scam registry built for individuals. You paste an entity (a website, a crypto wallet address, a social handle, a phone number, an email), and GACS returns:
- A traffic-light verdict (safe / caution / scam) backed by a transparent score.
- The specific signals that drove the score — registration age, blacklist hits, reported scam patterns, mirror-site cluster, on-chain links.
- Any community reports tied to the entity — including conversation excerpts from victims of the same scam.
- A one-click path to report it yourself if you spot a new scam.
GACS covers websites, crypto wallets (Ethereum, Bitcoin, Solana, Tron, BSC), social accounts on X / Instagram / TikTok / Telegram, phone numbers, and email addresses. It’s entity-centric, not IP-centric — which is what you actually want when you’re trying to figure out if something is a scam.
Full feature comparison
| Feature | GACS | Scamalytics |
|---|---|---|
Primary use case | Consumer scam check (is this site / wallet / handle a scam?) | B2B IP fraud scoring (is this visitor's IP risky?) |
Who it's for | Anyone — victims, families, journalists, investigators | Fraud teams at dating sites, ad networks, e-commerce |
Pricing for an individual | Free forever, no signup | Free web lookup; API is paid |
Funding model | Donation-funded public-safety project | Commercial SaaS |
Checks a domain / website | Yes — registration age, blacklist, scam reports, mirror clusters | No — IP-only |
Checks a crypto wallet | Yes — ETH, BTC, SOL, TRON, BSC; on-chain + report graph | No |
Checks a social account (X, Instagram, TikTok, Telegram) | Yes — free, with shareable verdict pages | No |
Scores an IP address | No | Yes — that's the core product |
Proxy / VPN / Tor detection | No | Yes — proprietary signal |
Public scam-report database | Yes — crowdsourced + verified, public per-entity pages | No public registry |
Real-time API for production apps | Free public lookup + lightweight read API | Yes — paid, designed for production scale |
Ads / sponsored placements on result pages | None | None on the free lookup |
Free embeddable trust badge for vendors | Yes — live SVG that flips red if your domain is reported | No |
Time to first answer | ≈ 2 seconds, no signup | ≈ 2 seconds for the free lookup; minutes to integrate API |
Based on publicly documented features as of June 2026. If anything is out of date, email hello@gacs.app and we’ll correct it within 24 hours.
Which one do you actually need?
I want to check if a website is a scam before I buy / invest / send money.
→ GACS
Scamalytics scores IP addresses, not domains. GACS analyses the domain itself — age, blacklist, mirror clusters, reports.
A stranger asked me to send crypto to this wallet — is it safe?
→ GACS
Paste the address into the GACS wallet checker. Scamalytics has no on-chain coverage.
Someone DMed me on Instagram / TikTok / X — is the account real?
→ GACS
GACS social-scanner returns a free shareable verdict page. Scamalytics doesn't analyse social accounts.
I run a dating site and need a fraud score for every signup IP.
This is exactly what Scamalytics was built for. Add their API to your signup pipeline.
I need to detect VPNs / proxies / Tor on a high-volume web app.
Or alternatives like IPQualityScore or MaxMind. GACS doesn't do IP-level scoring.
My parent / partner is talking to someone online and I'm worried it's a scam.
→ GACS
Use the social-scanner and share the verdict page — designed to be sent in a chat without an accusation.
I'm a vendor / store and want a public 'verified, no scam reports' badge on my site.
→ GACS
Free live trust badge that flips red automatically if your domain ever gets reported. Scamalytics doesn't offer this.
When to use both together
If you’re running a fraud team at a marketplace or financial platform, the stack actually looks like this:
- Scamalytics (or IPQS/MaxMind) on every signup to score the connection.
- GACS lookup on the entities the user mentions or links — wallets, social handles, sites they cross-promote — to catch known scam actors before they convert other users.
- Report back to GACS when you confirm a fraudster so the next platform sees the warning.
Where GACS wins outright
- Free forever for consumers — no paywall on any check.
- Covers domains, wallets, social, phone, email — not just IPs.
- Public scam-report registry with per-entity pages indexed by Google.
- Multi-chain crypto coverage with on-chain link tracing.
- Free embeddable trust badge for honest vendors.
- Donation-funded — no incentive to upsell a paid tier.
Where Scamalytics wins outright
- IP-level fraud scoring — the entire core product.
- Production-grade paid API with predictable SLAs.
- Proxy / VPN / Tor / datacenter classification.
- Decade-plus history of IP fraud data.
- Established integrations with dating-site fraud stacks.
Try GACS in 10 seconds
Paste any URL, wallet address, social handle, or phone number. Get a verdict in two seconds — free, no signup, no wallet prompt, no ad tracking.
Frequently asked questions
Is GACS a free Scamalytics alternative?
Only partially. Scamalytics scores IP addresses for B2B fraud teams; GACS checks websites, crypto wallets, social accounts, and phone numbers for consumers. If you’re a person trying to figure out whether a site or wallet is a scam, GACS is the free alternative you want. If you’re a business that needs to score the IP behind a signup, GACS doesn’t replace Scamalytics.
Is Scamalytics free?
The web lookup at scamalytics.com is free for occasional IP checks. The actual product — the fraud-scoring API used by businesses — is a paid commercial service with tiered pricing based on lookup volume.
Is GACS really free, or is there a paid tier?
All public scam checks on GACS are free forever, with no signup: website checker, wallet checker, social-account scanner, link checker, scam-report database. GACS is funded by donations and an optional fraud-investigator certifications program — not by gating consumer safety tools.
Can GACS check an IP address?
No. GACS is built for entity-level checks (a domain, a wallet, a social handle, a phone number), not IP-level scoring. If you need an IP risk score for a business workflow, Scamalytics, IPQualityScore, or MaxMind are the right tools.
Which is better for checking if a website is a scam?
GACS. Scamalytics scores IPs, not domains — it won’t tell you whether the site is a scam, only whether the visitor’s connection looks risky. GACS analyses the actual domain: registration age, blacklist history, scam reports, mirror-site clustering, and on-chain wallet links if crypto is involved.
Does GACS connect to my crypto wallet?
Never. You can paste a wallet address to check it, but GACS never requests a wallet connection. We can’t sign or move funds, ever.