# QuestDB, Zilliz, Google Cloud SQL vs Amazon Aurora Comparison

| | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Star Rating** | 4.8 out of 5 | 4.7 out of 5 | 4.5 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 35 | 53 | 366 | 457 | 
| **Largest Market Segment** | Small-Business (66.7% of reviews) | Small-Business (48.0% of reviews) | Mid-Market (40.2% of reviews) | Small-Business (38.3% of reviews) | 
| **Entry Level Price** | No pricing available | Free | Pay As You Go Per Month | No pricing available | 

---
## Top Pros & Cons

### QuestDB

**Not enough data**

### Zilliz

Pros:
- Ease of Use (9 reviews)
- Speed (8 reviews)

Cons:
- Expensive (4 reviews)
- Limitations (3 reviews)

### Google Cloud SQL

Pros:
- Database Management (22 reviews)
- Integrations (21 reviews)

Cons:
- Expensive (17 reviews)
- Cost Concerns (7 reviews)

### Amazon Aurora

Pros:
- Scalability (14 reviews)
- Availability (12 reviews)

Cons:
- Expensive (20 reviews)
- AWS Dependency (7 reviews)

---
## Ratings Comparison
| Rating | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
  | **Meets Requirements** | 8.9 (26 reviews) | 9.3 (48 reviews) | 9.1 (255 reviews) | 9.0 (409 reviews) | 
  | **Ease of Use** | 9.0 (27 reviews) | 9.3 (50 reviews) | 9.2 (263 reviews) | 8.7 (411 reviews) | 
  | **Ease of Setup** | 9.2 (19 reviews) | 9.1 (29 reviews) | 9.1 (117 reviews) | 8.6 (259 reviews) | 
  | **Ease of Admin** | 9.0 (12 reviews) | 8.9 (12 reviews) | 9.0 (98 reviews) | 8.7 (180 reviews) | 
  | **Quality of Support** | 9.8 (25 reviews) | 9.5 (44 reviews) | 8.8 (247 reviews) | 8.7 (395 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.4 (11 reviews) | 9.1 (11 reviews) | 9.0 (96 reviews) | 8.7 (177 reviews) | 
  | **Product Direction (% positive)** | 9.6 (26 reviews) | 9.5 (45 reviews) | 9.4 (252 reviews) | 9.5 (395 reviews) | 

---
## Pricing

### QuestDB

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Zilliz

#### Entry-Level Pricing

Plan: Starter

Price: Free

Description: The simplest way to experience a fully-managed vector database.

Key Features:
- Up to 1 million vectors
- Up to 2 free collections
- No credit card required

[Browse all 3 editions](https://www.g2.com/products/zilliz/pricing)

#### Free Trial

Yes

### Google Cloud SQL

#### Entry-Level Pricing

Plan: Committed Use Discounts

Price: Pay As You Go Per Month

Description: You can lower the cost by purchasing 1-year or 3-year commitment plans. Visit cloud.google.com/sql/pricing to check pricing for your region.

Key Features:
- CPU and memory
- Other features are available only through on-demand model

[Browse all 3 editions](https://www.g2.com/products/google-cloud-sql/pricing)

#### Free Trial

Yes

### Amazon Aurora

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Database Management Systems (DBMS)

| Product | Score | Reviews |
|---|---|---|
| **QuestDB** | N/A | N/A |
| **Zilliz** | 9.4/10 | 25 |
| **Google Cloud SQL** | 9.0/10 | 114 |
| **Amazon Aurora** | N/A | N/A |

#### Management

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data dictionary** | Not enough data | 9.7 (24 reviews) | 8.8 (94 reviews) | Not enough data | 
| **Data Replication** | Not enough data | 9.4 (24 reviews) | 8.8 (96 reviews) | Not enough data | 
| **Query Language** | Not enough data | 9.3 (25 reviews) | 9.2 (100 reviews) | Not enough data | 
| **Data Modeling** | Not enough data | 9.5 (25 reviews) | 8.9 (98 reviews) | Not enough data | 
| **Performance Analysis** | Not enough data | 9.3 (24 reviews) | 9.1 (98 reviews) | Not enough data | 

#### Maintenance

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data Migration** | Not enough data | 9.3 (23 reviews) | 9.0 (99 reviews) | Not enough data | 
| **Backup and Recovery** | Not enough data | 9.2 (24 reviews) | 9.1 (104 reviews) | Not enough data | 
| **Multi-User Environment** | Not enough data | 9.3 (24 reviews) | 8.7 (99 reviews) | Not enough data | 

#### Security

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data Encryption** | Not enough data | 9.5 (23 reviews) | 9.2 (98 reviews) | Not enough data | 
| **User Access Control** | Not enough data | 9.3 (23 reviews) | 9.2 (99 reviews) | Not enough data | 

### Relational Databases

| Product | Score | Reviews |
|---|---|---|
| **QuestDB** | N/A | N/A |
| **Zilliz** | N/A | N/A |
| **Google Cloud SQL** | 9.1/10 | 145 |
| **Amazon Aurora** | 8.8/10 | 313 |

#### Management 

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data Schema** | Not enough data | Not enough data | 9.1 (106 reviews) | 8.7 (209 reviews) | 
| **Query Language** | Not enough data | Not enough data | 9.3 (106 reviews) | 8.6 (210 reviews) | 
| **ACID - Complaint** | Not enough data | Not enough data | 9.2 (101 reviews) | 8.8 (208 reviews) | 
| **Data Replication** | Not enough data | Not enough data | 9.3 (101 reviews) | 8.9 (212 reviews) | 

#### Support 

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Text Search** | Not enough data | Not enough data | 8.9 (106 reviews) | 8.3 (207 reviews) | 
| **Data Types** | Not enough data | Not enough data | 9.1 (107 reviews) | 8.6 (214 reviews) | 
| **Languages** | Not enough data | Not enough data | 8.9 (102 reviews) | 8.4 (206 reviews) | 
| **Operating Systems** | Not enough data | Not enough data | 8.9 (103 reviews) | 8.6 (204 reviews) | 

#### Security

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Database Locking** | Not enough data | Not enough data | 9.1 (101 reviews) | 8.7 (203 reviews) | 
| **Access Control** | Not enough data | Not enough data | 9.1 (104 reviews) | 8.7 (206 reviews) | 
| **Encryption** | Not enough data | Not enough data | 9.2 (104 reviews) | 8.9 (207 reviews) | 
| **Authentication** | Not enough data | Not enough data | 9.2 (108 reviews) | 8.8 (204 reviews) | 

#### Performance 

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Disaster Recovery** | Not enough data | Not enough data | 9.1 (110 reviews) | 8.9 (209 reviews) | 
| **Data Concurrency** | Not enough data | Not enough data | 9.0 (103 reviews) | 8.7 (205 reviews) | 
| **Workload Management** | Not enough data | Not enough data | 9.0 (104 reviews) | 8.8 (203 reviews) | 
| **Advanced Indexing** | Not enough data | Not enough data | 8.8 (101 reviews) | 8.6 (202 reviews) | 
| **Query Optimizer** | Not enough data | Not enough data | 9.0 (101 reviews) | 8.5 (202 reviews) | 

#### Database Features

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Storage** | Not enough data | Not enough data | 9.2 (130 reviews) | 9.1 (296 reviews) | 
| **Availability** | Not enough data | Not enough data | 9.2 (132 reviews) | 9.2 (295 reviews) | 
| **Stability** | Not enough data | Not enough data | 9.1 (130 reviews) | 9.0 (291 reviews) | 
| **Scalability** | Not enough data | Not enough data | 9.0 (130 reviews) | 9.2 (288 reviews) | 
| **Security** | Not enough data | Not enough data | 9.3 (124 reviews) | 9.0 (287 reviews) | 
| **Data Manipulation** | Not enough data | Not enough data | 8.9 (124 reviews) | 8.5 (283 reviews) | 
| **Query Language** | Not enough data | Not enough data | 9.2 (125 reviews) | 8.6 (291 reviews) | 

### Vector Database

| Product | Score | Reviews |
|---|---|---|
| **QuestDB** | N/A | N/A |
| **Zilliz** | 9.4/10 | 27 |
| **Google Cloud SQL** | N/A | N/A |
| **Amazon Aurora** | N/A | N/A |

#### Data Indexing

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Semantic Search** | Not enough data | 9.6 (27 reviews) | Not enough data | Not enough data | 
| **Indexing Data** | Not enough data | 9.6 (27 reviews) | Not enough data | Not enough data | 

#### Filters

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Accurate Search** | Not enough data | 9.2 (27 reviews) | Not enough data | Not enough data | 
| **Single Stage Filtering - Vector Database** | Not enough data | 9.3 (27 reviews) | Not enough data | Not enough data | 

### Database as a Service (DBaaS)

| Product | Score | Reviews |
|---|---|---|
| **QuestDB** | N/A | N/A |
| **Zilliz** | N/A | N/A |
| **Google Cloud SQL** | 9.0/10 | 109 |
| **Amazon Aurora** | 8.7/10 | 220 |

#### Configuration

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Application Performance** | Not enough data | Not enough data | 9.2 (92 reviews) | 8.9 (205 reviews) | 
| **Orchestration** | Not enough data | Not enough data | 8.7 (85 reviews) | 8.6 (191 reviews) | 
| **Database Monitoring** | Not enough data | Not enough data | 9.0 (92 reviews) | 8.6 (203 reviews) | 
| **Anomaly Detection** | Not enough data | Not enough data | 8.9 (81 reviews) | 8.3 (182 reviews) | 
| **Network Security** | Not enough data | Not enough data | 9.4 (87 reviews) | 8.8 (198 reviews) | 

#### Database Administration

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Provisioning** | Not enough data | Not enough data | 8.9 (87 reviews) | 8.7 (197 reviews) | 
| **Governance** | Not enough data | Not enough data | 8.8 (83 reviews) | 8.6 (181 reviews) | 
| **Auditing** | Not enough data | Not enough data | 8.8 (82 reviews) | 8.5 (181 reviews) | 

#### Availability

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Scalability** | Not enough data | Not enough data | 9.2 (93 reviews) | 9.1 (197 reviews) | 
| **Backup** | Not enough data | Not enough data | 9.2 (91 reviews) | 9.1 (195 reviews) | 
| **Archiving** | Not enough data | Not enough data | 8.9 (86 reviews) | 8.8 (188 reviews) | 
| **Indexing** | Not enough data | Not enough data | 8.9 (84 reviews) | 8.7 (188 reviews) | 

#### Security

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data Masking** | Not enough data | Not enough data | 8.7 (74 reviews) | 8.7 (133 reviews) | 
| **Authentication And Single Sign-On** | Not enough data | Not enough data | 9.1 (80 reviews) | 8.6 (133 reviews) | 
| **Data Anonymization** | Not enough data | Not enough data | 8.9 (75 reviews) | 8.5 (126 reviews) | 

#### Data Management

| Feature | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Data Replication** | Not enough data | Not enough data | 9.2 (82 reviews) | 8.9 (135 reviews) | 
| **Advanced Data Analytics** | Not enough data | Not enough data | 8.8 (76 reviews) | 8.5 (125 reviews) | 

---
## Categories

**Unique to QuestDB (1):** [Time Series Databases](https://www.g2.com/categories/time-series-databases)

**Unique to Zilliz (2):** [Database Management Systems (DBMS)](https://www.g2.com/categories/database-management-systems-dbms), [Vector Database Software](https://www.g2.com/categories/vector-database)

**Unique to Google Cloud SQL (3):** [Relational Databases](https://www.g2.com/categories/relational-databases), [Database Management Systems (DBMS)](https://www.g2.com/categories/database-management-systems-dbms), [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas)

**Unique to Amazon Aurora (2):** [Database as a Service (DBaaS) Providers](https://www.g2.com/categories/database-as-a-service-dbaas), [Relational Databases](https://www.g2.com/categories/relational-databases)


---
## Reviewer Demographics

### By Company Size

| Segment | QuestDB | Zilliz | Google Cloud SQL | Amazon Aurora | 
|---|---|---|---|---|
| **Small-Business** | 66.7% | 48.0% | 33.6% | 38.3% | 
| **Mid-Market** | 18.2% | 38.0% | 40.2% | 33.3% | 
| **Enterprise** | 15.2% | 14.0% | 26.2% | 28.4% | 

### By Industry

#### QuestDB

- **Computer Software:** 24.2%
- **Financial Services:** 21.2%
- **Information Technology and Services:** 6.1%
- **Oil & Energy:** 6.1%
- **E-Learning:** 3.0%
- **Entertainment:** 3.0%
- **Environmental Services:** 3.0%
- **Investment Banking:** 3.0%
- **Logistics and Supply Chain:** 3.0%
- **Machinery:** 3.0%
- **Other:** 24.2%

#### Zilliz

- **Information Technology and Services:** 18.0%
- **Computer Software:** 18.0%
- **Education Management:** 12.0%
- **Computer & Network Security:** 10.0%
- **Marketing and Advertising:** 6.0%
- **Automotive:** 4.0%
- **Medical Practice:** 4.0%
- **Design:** 4.0%
- **Accounting:** 2.0%
- **Apparel & Fashion:** 2.0%
- **Other:** 20.0%

#### Google Cloud SQL

- **Information Technology and Services:** 23.5%
- **Computer Software:** 18.0%
- **Staffing and Recruiting:** 6.4%
- **Banking:** 5.8%
- **Non-Profit Organization Management:** 4.1%
- **Retail:** 3.8%
- **Computer & Network Security:** 3.8%
- **Financial Services:** 3.2%
- **Hospital & Health Care:** 2.3%
- **Consulting:** 1.5%
- **Other:** 27.6%

#### Amazon Aurora

- **Information Technology and Services:** 22.9%
- **Computer Software:** 21.3%
- **Computer & Network Security:** 4.9%
- **Financial Services:** 4.2%
- **Education Management:** 3.7%
- **Retail:** 3.5%
- **Banking:** 3.0%
- **Hospital & Health Care:** 2.3%
- **Consulting:** 2.1%
- **Telecommunications:** 2.1%
- **Other:** 30.1%

---
## Alternatives

### Alternatives to QuestDB

- [InfluxDB](https://www.g2.com/products/influxdata-influxdb/reviews) — 4.4/5 stars (101 reviews)
- [Prometheus](https://www.g2.com/products/prometheus/reviews) — 4.5/5 stars (62 reviews)
- [Druid](https://www.g2.com/products/druid/reviews) — 4.3/5 stars (31 reviews)
- [Tiger Data](https://www.g2.com/products/tiger-data/reviews) — 4.6/5 stars (33 reviews)
- [Amazon Timestream](https://www.g2.com/products/amazon-timestream/reviews) — 3.7/5 stars (22 reviews)
- [Epsilon3](https://www.g2.com/products/epsilon3/reviews) — 4.2/5 stars (260 reviews)
- [KX](https://www.g2.com/products/kx-kx/reviews) — 4.6/5 stars (51 reviews)
- [TDengine](https://www.g2.com/products/tdengine/reviews) — 4.7/5 stars (15 reviews)
- [CrateDB](https://www.g2.com/products/cratedb/reviews) — 4.4/5 stars (85 reviews)
- [Aerospike](https://www.g2.com/products/aerospike/reviews) — 4.4/5 stars (83 reviews)

### Alternatives to Zilliz

- [Snowflake](https://www.g2.com/products/snowflake/reviews) — 4.6/5 stars (744 reviews)
- [Teradata Vantage](https://www.g2.com/products/teradata-teradata-vantage/reviews) — 4.3/5 stars (373 reviews)
- [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews)
- [SAS Viya](https://www.g2.com/products/sas-sas-viya/reviews) — 4.3/5 stars (798 reviews)
- [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2275 reviews)
- [Databricks](https://www.g2.com/products/databricks/reviews) — 4.6/5 stars (769 reviews)
- [Elasticsearch](https://www.g2.com/products/elastic-elasticsearch/reviews) — 4.5/5 stars (292 reviews)
- [Toad For Oracle](https://www.g2.com/products/quest-software-toad-for-oracle/reviews) — 4.4/5 stars (286 reviews)
- [DbVisualizer](https://www.g2.com/products/dbvisualizer/reviews) — 4.7/5 stars (269 reviews)
- [Pinecone](https://www.g2.com/products/pinecone/reviews) — 4.6/5 stars (39 reviews)

### Alternatives to Google Cloud SQL

- [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2275 reviews)
- [Amazon Relational Database Service (RDS)](https://www.g2.com/products/amazon-relational-database-service-rds/reviews) — 4.5/5 stars (906 reviews)
- [Azure SQL Database](https://www.g2.com/products/azure-sql-database/reviews) — 4.5/5 stars (241 reviews)
- [Supabase](https://www.g2.com/products/supabase-supabase/reviews) — 4.7/5 stars (47 reviews)
- [PostgreSQL](https://www.g2.com/products/postgresql/reviews) — 4.4/5 stars (678 reviews)
- [MySQL](https://www.g2.com/products/mysql/reviews) — 4.4/5 stars (1675 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 (370 reviews)
- [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1010 reviews)
- [MariaDB](https://www.g2.com/products/mariadb/reviews) — 4.4/5 stars (226 reviews)

### Alternatives to Amazon Aurora

- [Oracle Database](https://www.g2.com/products/oracle-database/reviews) — 4.3/5 stars (1010 reviews)
- [Azure SQL Database](https://www.g2.com/products/azure-sql-database/reviews) — 4.5/5 stars (241 reviews)
- [Google Cloud Spanner](https://www.g2.com/products/google-cloud-spanner/reviews) — 4.2/5 stars (36 reviews)
- [Microsoft SQL Server](https://www.g2.com/products/microsoft-sql-server/reviews) — 4.4/5 stars (2275 reviews)
- [MongoDB Atlas](https://www.g2.com/products/mongodb-atlas/reviews) — 4.5/5 stars (370 reviews)
- [IBM Db2](https://www.g2.com/products/ibm-db2/reviews) — 4.1/5 stars (682 reviews)
- [MariaDB](https://www.g2.com/products/mariadb/reviews) — 4.4/5 stars (226 reviews)
- [SAP HANA Cloud](https://www.g2.com/products/sap-hana-cloud-2025-10-01/reviews) — 4.3/5 stars (621 reviews)
- [MySQL](https://www.g2.com/products/mysql/reviews) — 4.4/5 stars (1675 reviews)
- [PostgreSQL](https://www.g2.com/products/postgresql/reviews) — 4.4/5 stars (678 reviews)

---
## Top Discussions

### QuestDB

No discussions available for this product.

### Zilliz

No discussions available for this product.

### Google Cloud SQL

- Title: [What is Cloud SQL?](https://www.g2.com/discussions/what-is-cloud-sql) — 3 comments *(includes official response)*
  > **Top comment:** "Cloud SQL is a fully managed relational database service for MySQL, PostgreSQL, and SQL Server with rich extension collections, configuration flags, and..."
- Title: [What is Google Cloud SQL used for?](https://www.g2.com/discussions/what-is-google-cloud-sql-used-for) — 2 comments
  > **Top comment:** "Cloud SQL automates tasks such as: Backups, Replication, Patches, Encryption, Storage capacity increases."
- Title: [How much is Google Cloud SQL?](https://www.g2.com/discussions/how-much-is-google-cloud-sql) — 2 comments
  > **Top comment:** "It depends on different type of instances and configuration you use. It starts from 0.01 USD per hour."
- Title: [What are the features of Cloud SQL?](https://www.g2.com/discussions/what-are-the-features-of-cloud-sql) — 1 comment, 1 upvote
  > **Top comment:** "Reduces maintenance cost and automates database provisioning, storage capacity, replication and backup. "

### Amazon Aurora

- Title: [What is Amazon Aurora used for?](https://www.g2.com/discussions/what-is-amazon-aurora-used-for) — 2 comments, 1 upvote
  > **Top comment:** "Amazon Aurora is a fully managed relational database engine designed for the cloud, compatible with MySQL and PostgreSQL. It's used for providing high..."
- Title: [What is Amazon Aurora vs RDS?](https://www.g2.com/discussions/what-is-amazon-aurora-vs-rds) — 2 comments
  > **Top comment:** "AWS (Amazon Web Services) offers both Amazon Aurora and Amazon Relational Database Service (RDS) as database services, however, they have slightly different..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/questdb-vs-zilliz-vs-google-cloud-sql-vs-amazon-aurora)