ScalarDB
Tokyo-based Scalar Incs universal transactional layer — ACID transactions across heterogeneous databases.
Our Verdict
Clever universal transaction layer for polyglot persistence, most apps are better off with a single SQL database.
Pros
- ACID transactions across heterogeneous databases
- Works with Cassandra, DynamoDB, JDBC sources
- Removes 2PC complexity for polyglot stacks
- Academic-grade correctness pedigree
Cons
- Adds a transactional layer to manage
- Performance overhead for cross-DB operations
- Smaller community outside Japan
- Requires careful schema design
When to Use ScalarDB
Good fit if you need
- ACID transactions spanning multiple heterogeneous databases
- Unified transactional layer over Cassandra, MySQL, and DynamoDB
- Cross-database consistency for distributed microservice data
- Two-phase commit protocol across polyglot persistence layers
- Financial transaction integrity across multi-database architectures
Pricing
Price wrong?ScalarDB Pricing
- Pricing Model
- freemium
- Free Tier
- Yes
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Lock-in Assessment
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