Time series, in-memory & ledger · AWS vs Google Cloud
Amazon Quantum Ledger Database (QLDB): Google Cloud equivalent
Google Cloud has no ledger database.
QLDB itself is retired; use application-level hash chaining in Spanner or Cloud SQL, or append-only Cloud Storage with Bucket Lock.
Side-by-side comparison
| Aspect | Amazon Web Services | Google Cloud |
|---|---|---|
| Service | Amazon Quantum Ledger Database (QLDB) Retired | No first-party equivalent |
| Lifecycle | End of support July 31, 2025 (full shutdown). AWS recommended Aurora PostgreSQL for migrations. | — |
| What it is | Ledger database with an immutable, cryptographically verifiable journal. | — |
| Pricing model | Not applicable (retired). | Not applicable. |
| Docs | Amazon Quantum Ledger Database (QLDB) docs | — |
| Pricing page | Amazon Quantum Ledger Database (QLDB) pricing | — |
Key differences
- Bucket Lock gives WORM retention but not cryptographic verification of history.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- Not applicable (retired). Amazon Quantum Ledger Database (QLDB) pricing →
- GCP
- Not applicable.
And on Azure?
Partial match Azure's equivalent is Ledger in Azure SQL Database and SQL Server. AWS vs Azure comparison →
FAQ
Does Google Cloud have an equivalent to Amazon Quantum Ledger Database (QLDB)?
Google Cloud has no ledger database. QLDB itself is retired; use application-level hash chaining in Spanner or Cloud SQL, or append-only Cloud Storage with Bucket Lock.
How does pricing compare between Amazon Quantum Ledger Database (QLDB) and Google Cloud?
AWS: Not applicable (retired). Google Cloud: Not applicable. Check the official pricing pages for current rates.
What is the Azure equivalent?
Ledger in Azure SQL Database and SQL Server (partial match). Amazon QLDB was retired on July 31, 2025, and AWS recommended Aurora PostgreSQL for migrations.