| What it does | License management platform with client-side encrypted key storage and integrated storefront
| Call mobiles and landlines around the world from your browser with prepaid calling credit
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| Stage | Not given
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| Founded | Not given
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| Based in | DE
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | Free plan: 50 activations/month, always free. Starter: €29/month (1,000 activations/month, 3 months free for new customers). Professional: €59/month (10,000 activations/month, 3 months free for new customers). Enterprise: €299/month (unlimited activations, 3 months free for new customers). Activatio
| Personal calling credit starts at $5, $10, or $25 top-ups. Calls billed per minute at destination-specific rates for mobile or landline, with partial minutes rounded up. Virtual phone numbers have separate recurring monthly charges.
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| Key features | - Client-side AES-256-GCM encrypted key storage with zero-knowledge architecture
- Eight official SDKs (.NET, Node.js, Python, Java, C++, PHP, Go, Unity) plus REST API
- Node-locked, floating, offline, subscription, perpetual, and metered licensing models
- Offline activation with ECDSA P-256 signed tokens for air-gapped environments
- Customer portal with device management and subscription handling
- Activation analytics, device tracking, revenue reports, and webhook events from single dashboard
- License migration from Keygen, Cryptolens, LicenseSpring or custom systems
- GDPR compliance with Data Processing Agreement and GDPR data export
- Self-hosted Enterprise deployment with Docker and signing key export for business continuity
| - Call mobiles and landlines from any modern web browser
- See destination rates before dialing
- Prepaid calling credit starting at $5
- Works in Chrome, Safari, Firefox and Edge
- Compare mobile and landline rates by destination
- Optional virtual phone numbers for receiving calls
- Send and receive text messages on virtual numbers
- No subscription or contract required
- Calls rounded up to whole minutes
- Works on phones and computers
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| What makes it different | - Plaintext license keys never stored on servers; zero-knowledge encryption with client-side AES-256-GCM ensures keys remain safe even after a database breach
- One integrated platform connecting checkout, license creation, and fulfillment without separate services or payment webhooks
- Business continuity guarantees: offline tokens work without PermitCore servers; Enterprise customers can export signing keys and self-host independently
- Fast integration: most teams make their first validation call in minutes with maintained SDKs or REST API
| - No app download required, works directly in your browser
- Transparent pricing shown before each call
- Recipients don't need TringPhone or internet connection to receive calls
- Pay as you go with no monthly subscriptions
- Optional virtual phone numbers for inbound calls
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 11 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 6 | 0 |
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| Citation Flow (Majestic) | 29 | 21 |
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| Referring domains (Majestic) | 30 | 12 |
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PermitCore
TringPhone