Amazon Neptune vs. Amazon Quantum Ledger Database (QLDB)
| Product | Rating | Most Used By | Product Summary | Starting Price |
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 Amazon Neptune | Score9 out of 10 | N/A | Amazon Neptune is a fully managed graph database built to support study and storage of relationship rich data (e.g. social network data, fraud detection). | $0.10 Per Hour |
Amazon QLDB | Score9.9 out of 10 | N/A | Amazon QLDB (for Quantum Ledger Database) is a fully managed ledger database that provides what the vendor describes as a transparent, immutable, and cryptographically verifiable transaction log owned by a central trusted authority. Amazon QLDB can be used to track each and every application data change and maintains a complete and verifiable history of changes over time. Notably, with QLDB data’s change history is immutable – it cannot be altered or deleted – and using cryptography, users can… | $0.03 Per GB-month |
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| Entry-level Setup Fee | No setup fee | No setup fee | ||||||||||||||
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| Small Businesses |  IBM Cloudant Score7.4 out of 10 |  MongoDB Atlas Score7.8 out of 10 |
| Medium-sized Companies | IBM Cloudant Score7.4 out of 10 |  Azure Database Score8.8 out of 10 |
| Enterprises | IBM Cloudant Score7.4 out of 10 |  Google Cloud SQL Score8.7 out of 10 |
| All Alternatives | View all alternatives | View all alternatives |