# Amazon Quantum Ledger Database (QLDB) vs Google Cloud Spanner Comparison | | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Star Rating** | 4.0 out of 5 | 4.2 out of 5 | | **Total Reviews** | 13 | 36 | | **Largest Market Segment** | Mid-Market (66.7% of reviews) | Enterprise (41.9% of reviews) | | **Entry Level Price** | No pricing available | No pricing available | --- ## Ratings Comparison | Rating | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Meets Requirements** | 9.0 (7 reviews) | 8.7 (24 reviews) | | **Ease of Use** | 9.5 (7 reviews) | 7.8 (24 reviews) | | **Ease of Setup** | Not enough data | 8.2 (10 reviews) | | **Ease of Admin** | Not enough data | 8.7 (9 reviews) | | **Quality of Support** | 9.0 (7 reviews) | 8.6 (20 reviews) | | **Has the product been a good partner in doing business?** | Not enough data | 8.3 (10 reviews) | | **Product Direction (% positive)** | 8.3 (7 reviews) | 8.4 (22 reviews) | --- ## Pricing ### Amazon Quantum Ledger Database (QLDB) #### Entry-Level Pricing No pricing available #### Free Trial No information available ### Google Cloud Spanner #### Entry-Level Pricing No pricing available #### Free Trial No information available --- ## Features Comparison By Category ### Relational Databases | Product | Score | Reviews | |---|---|---| | **Amazon Quantum Ledger Database (QLDB)** | N/A | N/A | | **Google Cloud Spanner** | 8.7/10 | 16 | #### Management | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Data Schema** | Not enough data | 8.1 (6 reviews) | | **Query Language** | Not enough data | 8.9 (6 reviews) | | **ACID - Complaint** | Not enough data | 9.2 (6 reviews) | | **Data Replication** | Not enough data | 9.2 (6 reviews) | #### Support | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Text Search** | Not enough data | 8.7 (5 reviews) | | **Data Types** | Not enough data | 8.3 (6 reviews) | | **Languages** | Not enough data | Not enough data | | **Operating Systems** | Not enough data | 8.6 (6 reviews) | #### Security | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Database Locking** | Not enough data | 8.7 (5 reviews) | | **Access Control** | Not enough data | 8.7 (5 reviews) | | **Encryption** | Not enough data | 9.4 (6 reviews) | | **Authentication** | Not enough data | 9.2 (6 reviews) | #### Performance | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Disaster Recovery** | Not enough data | 7.8 (6 reviews) | | **Data Concurrency** | Not enough data | 9.2 (6 reviews) | | **Workload Management** | Not enough data | 8.9 (6 reviews) | | **Advanced Indexing** | Not enough data | 7.5 (6 reviews) | | **Query Optimizer** | Not enough data | 8.7 (5 reviews) | #### Database Features | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Storage** | Not enough data | 9.5 (13 reviews) | | **Availability** | Not enough data | 8.6 (13 reviews) | | **Stability** | Not enough data | 9.0 (13 reviews) | | **Scalability** | Not enough data | 9.2 (13 reviews) | | **Security** | Not enough data | 8.9 (12 reviews) | | **Data Manipulation** | Not enough data | 8.3 (13 reviews) | | **Query Language** | Not enough data | 8.6 (13 reviews) | ### Database as a Service (DBaaS) | Product | Score | Reviews | |---|---|---| | **Amazon Quantum Ledger Database (QLDB)** | N/A | N/A | | **Google Cloud Spanner** | 7.6/10 | 12 | #### Configuration | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Application Performance** | Not enough data | 8.2 (10 reviews) | | **Orchestration** | Not enough data | 7.6 (9 reviews) | | **Database Monitoring** | Not enough data | 7.3 (10 reviews) | | **Anomaly Detection** | Not enough data | 8.1 (8 reviews) | | **Network Security** | Not enough data | 8.1 (8 reviews) | #### Database Administration | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Provisioning** | Not enough data | 8.2 (10 reviews) | | **Governance** | Not enough data | 6.3 (10 reviews) | | **Auditing** | Not enough data | 7.0 (10 reviews) | #### Availability | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Scalability** | Not enough data | 8.8 (10 reviews) | | **Backup** | Not enough data | 6.7 (9 reviews) | | **Archiving** | Not enough data | 7.0 (10 reviews) | | **Indexing** | Not enough data | 8.1 (9 reviews) | #### Security | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Data Masking** | Not enough data | Not enough data | | **Authentication And Single Sign-On** | Not enough data | Not enough data | | **Data Anonymization** | Not enough data | Not enough data | #### Data Management | Feature | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Data Replication** | Not enough data | Not enough data | | **Advanced Data Analytics** | Not enough data | Not enough data | --- ## Categories **Shared Categories (1):** [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas) **Unique to Google Cloud Spanner (1):** [Relational Databases](https://www.g2.com/categories/relational-databases) --- ## Reviewer Demographics ### By Company Size | Segment | Amazon Quantum Ledger Database (QLDB) | Google Cloud Spanner | |---|---|---| | **Small-Business** | 25.0% | 32.3% | | **Mid-Market** | 66.7% | 25.8% | | **Enterprise** | 8.3% | 41.9% | ### By Industry #### Amazon Quantum Ledger Database (QLDB) - **Business Supplies and Equipment:** 25.0% - **Computer Software:** 16.7% - **Pharmaceuticals:** 8.3% - **Information Technology and Services:** 8.3% - **Import and Export:** 8.3% - **Health, Wellness and Fitness:** 8.3% - **Education Management:** 8.3% - **Capital Markets:** 8.3% - **Apparel & Fashion:** 8.3% #### Google Cloud Spanner - **Information Technology and Services:** 20.0% - **Computer Software:** 16.7% - **Transportation/Trucking/Railroad:** 6.7% - **Biotechnology:** 6.7% - **Airlines/Aviation:** 3.3% - **Automotive:** 3.3% - **Building Materials:** 3.3% - **Computer Games:** 3.3% - **Consumer Services:** 3.3% - **Education Management:** 3.3% - **Other:** 30.0% --- ## Alternatives ### Alternatives to Amazon Quantum Ledger Database (QLDB) - [Google Cloud Firestore](https://www.g2.com/products/google-cloud-firestore/reviews) — 4.2/5 stars (97 reviews) - [Azure SQL Database](https://www.g2.com/products/azure-sql-database/reviews) — 4.5/5 stars (241 reviews) - [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1012 reviews) - [IBM Db2](https://www.g2.com/products/ibm-db2/reviews) — 4.1/5 stars (682 reviews) - [MongoDB Atlas](https://www.g2.com/products/mongodb-atlas/reviews) — 4.5/5 stars (899 reviews) - [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews) - [Ninox](https://www.g2.com/products/ninox/reviews) — 4.7/5 stars (362 reviews) - [DigitalOcean](https://www.g2.com/products/digitalocean/reviews) — 4.6/5 stars (749 reviews) - [ScyllaDB](https://www.g2.com/products/scylladb/reviews) — 4.5/5 stars (427 reviews) - [SAP Business Technology Platform](https://www.g2.com/products/sap-business-technology-platform/reviews) — 4.4/5 stars (419 reviews) ### Alternatives to Google Cloud Spanner - [Amazon Aurora](https://www.g2.com/products/amazon-aurora/reviews) — 4.5/5 stars (457 reviews) - [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1012 reviews) - [PostgreSQL](https://www.g2.com/products/postgresql/reviews) — 4.4/5 stars (683 reviews) - [Amazon DynamoDB](https://www.g2.com/products/amazon-web-services-aws-amazon-dynamodb/reviews) — 4.4/5 stars (529 reviews) - [Amazon Relational Database Service (RDS)](https://www.g2.com/products/amazon-relational-database-service-rds/reviews) — 4.5/5 stars (908 reviews) - [MongoDB Atlas](https://www.g2.com/products/mongodb-atlas/reviews) — 4.5/5 stars (899 reviews) - [MySQL](https://www.g2.com/products/mysql/reviews) — 4.4/5 stars (1680 reviews) - [Neo4j Graph Database](https://www.g2.com/products/neo4j-graph-database/reviews) — 4.5/5 stars (133 reviews) - [Azure Cosmos DB](https://www.g2.com/products/azure-cosmos-db/reviews) — 4.2/5 stars (68 reviews) - [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2284 reviews) --- ## Top Discussions ### Amazon Quantum Ledger Database (QLDB) No discussions available for this product. ### Google Cloud Spanner No discussions available for this product. --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/amazon-quantum-ledger-database-qldb-vs-google-cloud-spanner)