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# Amazon Quantum Ledger Database (QLDB) vs Google Cloud Spanner Comparison - What are their main differences?

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Amazon Quantum Ledger...Google Cloud Spanner[+ Add Product](#)

Pricing

**Amazon Quantum Ledger Database (QLDB)**
No pricing available

**Google Cloud Spanner**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**Amazon Quantum Ledger Database (QLDB)**
Not enough reviews yet

**Google Cloud Spanner**
Not enough reviews yet

Return on Investment

**Amazon Quantum Ledger Database (QLDB)**
Not enough reviews yet

**Google Cloud Spanner**
Not enough reviews yet

Perceived Cost

**Amazon Quantum Ledger Database (QLDB)**
Not enough reviews yet

**Google Cloud Spanner**
$$$$$

Average Discount

**Amazon Quantum Ledger Database (QLDB)**
Not enough reviews yet

**Google Cloud Spanner**
Not enough reviews yet

**Pros & Cons**
from reviews

**Amazon Quantum Ledger Database (QLDB)**
Not enough data

**Google Cloud Spanner**
Not enough data

**Ratings**
from reviews

Meets Requirements

**Amazon Quantum Ledger Database (QLDB)**

9.0

9.07

**Google Cloud Spanner**

8.7

8.724

Ease of Use

**Amazon Quantum Ledger Database (QLDB)**

9.5

9.57

**Google Cloud Spanner**

7.8

7.824

Ease of Setup

**Amazon Quantum Ledger Database (QLDB)**
Not enough data

**Google Cloud Spanner**

8.2

8.210

Ease of Admin

**Amazon Quantum Ledger Database (QLDB)**
Not enough data

**Google Cloud Spanner**

8.7

8.79

Quality of Support

**Amazon Quantum Ledger Database (QLDB)**

9.0

9.07

**Google Cloud Spanner**

8.6

8.620

Has the product been a good partner in doing business?

**Amazon Quantum Ledger Database (QLDB)**
Not enough data

**Google Cloud Spanner**

8.3

8.310

Product Direction (% positive)

**Amazon Quantum Ledger Database (QLDB)**

8.3

8.37

**Google Cloud Spanner**

8.4

8.422

**Features**
ratings from reviews

Relational Databases

Not enough data

8.7

16

Database as a Service (DBaaS)

Not enough data

7.6

12

User Insights

Reviewers' Company Size

[![Amazon Quantum Ledger Database (QLDB)](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3a7a925cc43d97814fa81ec2d6c06f45/amazon-quantum-ledger-database-qldb.jpeg "Amazon Quantum Ledger Database (QLDB)")](https://www.g2.com/products/amazon-quantum-ledger-database-qldb/reviews)

Amazon Quantum Ledger Database (QLDB)

Small-Business(50 or fewer emp.)

25.0%

Mid-Market(51-1000 emp.)

66.7%

Enterprise(\> 1000 emp.)

8.3%

[![Google Cloud Spanner](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_6d40699dd3d72645c5cef15b5c6e92e7/google-cloud-spanner.png "Google Cloud Spanner")](https://www.g2.com/products/google-cloud-spanner/reviews)

Google Cloud Spanner

Small-Business(50 or fewer emp.)

32.3%

Mid-Market(51-1000 emp.)

25.8%

Enterprise(\> 1000 emp.)

41.9%

Small-Business

(50 or fewer emp.)

25.0%

32.3%

Mid-Market

(51-1000 emp.)

66.7%

25.8%

Enterprise

(\> 1000 emp.)

8.3%

41.9%

Reviewers' Industry

[![Amazon Quantum Ledger Database (QLDB)](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3a7a925cc43d97814fa81ec2d6c06f45/amazon-quantum-ledger-database-qldb.jpeg "Amazon Quantum Ledger Database (QLDB)")](https://www.g2.com/products/amazon-quantum-ledger-database-qldb/reviews)
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%

Other

33.3%

[![Google Cloud Spanner](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_6d40699dd3d72645c5cef15b5c6e92e7/google-cloud-spanner.png "Google Cloud Spanner")](https://www.g2.com/products/google-cloud-spanner/reviews)
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%

Other

46.7%

Alternatives

**Amazon Quantum Ledger Database (QLDB) Alternatives**

 ![Google Cloud Firestore](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_aeae116c52945fdecd7ed16d621cb315/google-cloud-firestore.png "Google Cloud Firestore")

[
Google Cloud Firestore
](/products/google-cloud-firestore/reviews)

 ![Azure SQL Database](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_f176b4154a751d10150daa67a57b7dc5/azure-sql-database.jpg "Azure SQL Database")

[
Azure SQL Database
](/products/azure-sql-database/reviews)

 ![Oracle Database](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_82f55e945509bff7b8009e8024cfe73c/oracle-database.jpg "Oracle Database")

[
Oracle Database
](/products/oracle-database/reviews)

 ![MongoDB Atlas](https://images.g2crowd.com/uploads/product/hd_favicon/d217eaad5fe841fcdd1136204e725516/mongodb-atlas%282%29.svg "MongoDB Atlas")

[
MongoDB Atlas
](/products/mongodb-atlas/reviews)

**Google Cloud Spanner Alternatives**

 ![Amazon Aurora](https://images.g2crowd.com/uploads/product/hd_favicon/1528476463/amazon-aurora.svg "Amazon Aurora")

[
Amazon Aurora
](/products/amazon-aurora/reviews)

 ![Oracle Database](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_82f55e945509bff7b8009e8024cfe73c/oracle-database.jpg "Oracle Database")

[
Oracle Database
](/products/oracle-database/reviews)

 ![PostgreSQL](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_251be2af3ae607c45c14e816eaa1cf41/postgresql.png "PostgreSQL")

[
PostgreSQL
](/products/postgresql/reviews)

 ![Amazon DynamoDB](https://images.g2crowd.com/uploads/product/hd_favicon/5383be31b099738701f86724a8b5cf9a/amazon-web-services-aws-amazon-dynamodb.svg "Amazon DynamoDB")

[
Amazon DynamoDB
](/products/amazon-web-services-aws-amazon-dynamodb/reviews)

## Amazon Quantum Ledger Database (QLDB) vs Google Cloud Spanner

- Reviewers felt that Amazon Quantum Ledger Database (QLDB) meets the needs of their business better than Google Cloud Spanner.
- When comparing quality of ongoing product support, reviewers felt that Amazon Quantum Ledger Database (QLDB) is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Google Cloud Spanner over Amazon Quantum Ledger Database (QLDB).