Portreeve vs KinshipVault
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Portreeve compared with KinshipVault
| Detail | 
Portreeve | 
KinshipVault |
|---|
| What it does | Stop trial abuse, AI credit farming and referral fraud
| Verify identity on your site with encrypted credentials
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Freemium
| Open source
|
|---|
| Pricing | Free: $0/mo, 1,000 screenings/month (hard limit). Indie: $19/mo, 10,000 screenings/month, $4 per 1,000 extra. Growth: $79/mo, 50,000 screenings/month, $3 per 1,000 extra. Scale: $249/mo, 250,000 screenings/month, $2 per 1,000 extra.
| Not given
|
|---|
| Key features | - Real-time screening of signups, trials, checkouts, logins, referrals and coupon redemptions
- Account linking by device, card fingerprint, email and payer wallet signals
- Verdict decisions with reason codes
- Per-tenant abuse graph memory
- Review queue with decision history
- Identity judgment across multiple emails and devices
- Explainable verdicts with no risk scores
- Integration via SDK, API, webhooks or coding agent
- Fail-open design for reliability
- Tenant-scoped identity keys
| - Age verification (over 18 and over 21)
- Identity name verification
- Biometric authentication (Face ID or fingerprint)
- Cryptographic signature verification
- QR code scanning
- Multi-language widget
- Document verification levels
- Session-bound verification
- Cross-device security binding
|
|---|
| What makes it different | - Detects the same person behind multiple accounts using device, card and email signals
- Remembers its judgments across email changes and burner emails
- Returns explainable verdicts with reason codes, not interpretable risk scores
- Screens before actions commit to prevent unauthorized signups and checkouts
- Same detection engine across all pricing tiers
| - No personal data passes through KinshipVault servers
- Open source with MIT license
- No external dependencies required
- Server-side signature verification for trust
- Cryptographically bound to origin and session
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 4 ▼ −1 (down) since last check | 1 ● no change since last check |
|---|
| Trust Flow (Majestic) | 17 | 2 |
|---|
| Citation Flow (Majestic) | 25 | 23 |
|---|
| Referring domains (Majestic) | 91 | 17 |
|---|
4 details filled in for both companies.
More alternatives to Portreeve More alternatives to KinshipVault