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Harper

Distributed database with hybrid SQL and NoSQL functionality

Table of Contents

Is this product right for your business?

Find out with a

Harper - 2026 Pricing, Features, Reviews & Alternatives

All user reviews are verified by in-house moderators and provider data by our software research team. Learn more

Last updated: April 2026

Harper overview

What is Harper?

HarperDB is the first distributed database with hybrid SQL and NoSQL functionality and a REST API. Known as a structured object store with SQL capabilities. Being a read/write optimized solution, a single node of HarperDB can simultaneously handle 20k writes per second and 120k reads per second.

HarperDB's features include data replication across the globe in under 100ms, responds in milliseconds, integrates API and database functionality into a single product, can be deployed anywhere (local, edge, colo, and/or in the cloud), and more. HarperDB uses role-based, attribute-level security to ensure that users can only gain access to the data they’re supposed to be able to access.

Starting price

250usage based

Alternatives

with better value for money

Harper’s user interface

Ease of use rating:

4.3

(15)

Harper reviews

Overall rating

4.3

Positive reviews

Rating breakdown

Value for money
Ease of use
Features
Customer support
Likelihood to recommend0.67/10

Rating distribution

Who uses Harper?

Based on 15 verified user reviews.

Company size

Small Businesses

Enterprises

Midsize Businesses

Top industries

Computer Software

Information Technology and Services

Government Administration

Publishing

Others

Use cases

Database

Harper's key features

Most critical features, based on insights from Harper users:

Multiple programming languages supported

4.6

(7)

Data virtualization

4.0

(2)

Data migration

4.8

(4)

Performance analysis

4.5

(4)

Backup and recovery

4.0

(8)

Data replication

4.6

(9)

Database conversion

4.3

(6)

All Harper features

Features rating:

4.1

(15)

Access controls/permissions

4.3

(11)

API

(0)

Authentication

(0)

Backup and recovery

4.0

(8)

Charting

(0)

Database conversion

4.3

(6)

Data capture and transfer

(0)

Data connectors

(0)

Data dictionary management

4.1

(10)

Data import/export

(0)

Data integration

(0)

Data migration

4.8

(4)

Data replication

4.6

(9)

Data retrieval

(0)

Data storage management

4.4

(10)

Data synchronization

(0)

Data virtualization

4.0

(2)

Data visualization

(0)

Data warehousing

(0)

Document storage

(0)

ETL - extract transfer load

(0)

Full text search

(0)

High volume processing

(0)

Mobile access

4.0

(3)

Monitoring

(0)

Multiple programming languages supported

4.6

(7)

NOSQL database management

(0)

Performance analysis

4.5

(4)

Real-Time data

(0)

Relational database management

(0)

Reporting/Analytics

(0)

Role-Based permissions

(0)

Search/Filter

(0)

Secure data storage

(0)

SSL security

(0)

User management

(0)

Harper alternatives

Harper

4.3

(15)

Starting from

250

Free trial

Free version

Ease of Use

4.6

Features

4.1

Value for Money

4.6

Customer Support

4.4

Oracle Database

4.6

(471)

learn more

Starting from

No pricing info

Free trial

Free version

Ease of Use

4.1

Features

4.5

Value for Money

4.1

Customer Support

4.2

Google Cloud

4.7

(2.2K)

learn more

Starting from

No pricing info

Free trial

Free version

Ease of Use

4.5

Features

4.6

Value for Money

4.4

Customer Support

4.3

MongoDB

4.7

(469)

learn more

Starting from

Per month

Free trial

Free version

Ease of Use

4.4

Features

4.6

Value for Money

4.6

Customer Support

4.3

Harper pricing

Value for money rating:

4.6

Pricing plans

Pricing details:

Free plan

Free trial

Subscription

Start

0.00

Features included:

P90 latency as low as 58ms (Europe), 83ms (US)
10M Reads Total
1K Reads/Minute
20GB Read Data Total
1MB Read Data/Minute
2M Writes Total
1K Writes/Minute
5GB Write Data Load
100KB Writes Data/Minute
20M Messages Total
2k Messages/Minute
40GB Message Data Total
5 MB Message Data/Minute
Up to 2 Compute Hours
1 Max CPUs
1M TLS Handshakes
Choose 1 region: US, Europe, Global

Pro

250

Features included:

P95 latency as low as 40ms (Europe), 43ms (US)
60B Reads Total
1M Reads/Minute
200TB Read Data Total
1GB Read Data/Minute
10B Writes Total
120K Writes/Minute
20TB Write Data Load
400MB Writes Data/Minute
300B Messages Total
1.3M Messages/Minute
500TB Message Data Total
1GB Message Data/Minute
Up to 300 Compute Hours with Shared Infra
Unlimited Compute Hours with Dedicated Infra
12 Max CPUs with Shared Infra
48 Max CPUs with Dedicated Infra
4B TLS Handshakes
Choose up to 3 regions with Shared Infra: US, Europe, Global
Choose up to 10 regions with Dedicated Infra: US, US-Northeast, US-Northwest, US-Southeast, US-Southwest, Canada, Europe, Asia Pacific, South America, Global
1 Block = 1 Region
Blocks expire after 3 months.

Enterprise

No pricing info

Features included:

Uptime SLAs
Designated Success Manager
Up to 24/7 Support
Volume Discounts
Private Slack Channel

User opinions about Harper price and value

Value for money rating:

4.6

(15)

Harper integrations (2)

Integrations rated by users

We looked at 15 user reviews to identify which products are mentioned as Harper integrations and how users feel about them.

Oracle Cloud Infrastructure (OCI)

Integration rating: 2.0 (1)

“Native integration support was not available.”

“Integrating Oracle Data Management Platform with Oracle Cloud Infrastructure (OCI) is important because it enables organizations to securely manage and process large amounts of data using OCI's scalable and secure cloud infrastructure, while also leveraging the data management and governance capabilities of Oracle Data Management Platform. This integration can help organizations streamline their data management processes and improve overall efficiency.”