Seald
Seald — End-to-end encryption SDK for adding zero-knowledge encryption to applications without key management.
Our Verdict
Quick path to end-to-end encryption without cryptography expertise, lock-in trade-off against rolling your own.
Pros
- Zero-knowledge E2EE SDK, no key management code
- Works across web and mobile
- Group encryption with key rotation
- GDPR and HDS compliant
Cons
- Closed-source proprietary stack
- Integration requires app architecture changes
- Enterprise pricing model
- Smaller community than Virgil or Matrix
Best for: Product teams adding E2EE without hiring cryptographers, especially in healthcare or legal
Not for: Teams preferring open-source crypto stacks they can audit and self-host
When to Use Seald
Good fit if you need
- End-to-end encryption SDK for zero-knowledge app data
- Adding E2E encryption without managing key infrastructure
- Client-side encryption for healthcare and legal SaaS apps
- GDPR-compliant user data encryption with delegated key access
- Encrypted file sharing where even the server can't read data
Lock-in Assessment
Medium 3/5
Lock-in Score 3/5
Pricing
Price wrong?Seald Pricing
- Pricing Model
- subscription
- Free Tier
- No
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
1,000
1001K10K100K1M
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Community Discussion
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