---
description: Learn how Diffblue Cover can help your business. GetApp provides users in New Zealand with the most detailed information on software reviews, prices and features.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Diffblue Cover Reviews, Pricing & Ratings | GetApp NZ 2026
---

Breadcrumb: [Home](/) > [DevOps Tools](/directory/1087/devops/software) > [Diffblue Cover](/software/2074502/diffblue-cover)

# Diffblue Cover

Canonical: https://www.getapp.co.nz/software/2074502/diffblue-cover

> Diffblue Cover is an on-premises reinforcement learning platform that autonomously writes, maintains, and optimizes Java and Kotlin.
> 
> Verdict: Rated **4.0/5** by 1 users. Top-rated for **Ease of Use**.

-----

## Overview

### Key benefits of Diffblue Cover

\* Autonomously writes and maintains human-like JUnit and TestNG unit tests for Java and Kotlin projects, eliminating manual test writing and ongoing maintenance overhead.
\* Reinforcement learning engine analyzes compiled bytecode and iteratively refines test candidates to maximize coverage, producing tests guaranteed to compile and pass with no hallucinations.
\* LLM-Augmented Intelligence integrates customer-approved large language models via a bring-your-own-model approach, improving coverage of complex business logic while maintaining deterministic, compiling output.
\* Cover Plugin generates tests for individual methods and classes with one click inside IntelliJ IDE, fitting directly into existing developer workflows.
\* Cover CLI generates tests for entire projects with a single command, auto-configuring from Maven or Gradle environments and supporting scripting and automation.
\* Cover Pipeline integrates with GitHub, GitLab, Jenkins, Azure, AWS, and other CI systems to automatically create, execute, and update unit tests on pull and merge requests.
\* Cover Reports provides server-side visualization of test coverage statistics, coverage risk, testability metrics, and actionable insights for engineering and compliance stakeholders.
\* Cover Optimize selectively runs only the unit tests relevant to a given code change, reducing both local and CI test execution time.
\* Cover Refactor suggests and automates code fixes to improve testability and understandability of Java code, reducing technical debt.
\* Test Asset Insights analyzes pre-existing test suites to learn established patterns, reuse helper methods and fixtures, and generate additional idiomatic coverage that follows existing conventions.
\* All processing occurs entirely within the customer's environment with no code or data transmitted externally, supporting strict data privacy and security requirements.
\* Generates test suites for large legacy codebases, documenting code behavior and supporting Java version migrations, microservices refactoring, and cloud migration initiatives.
\* Annotates tests to distinguish user-written, platform-contributed, and platform-managed tests, enabling hybrid workflows where automated tests are updated while user-modified tests remain protected.
\* Scales to write tens of thousands of tests across entire applications autonomously, supporting coverage requirements for regulatory audits in financial services, healthcare, and medical device software contexts.

## Quick Stats & Ratings

| Metric | Rating | Detail |
| **Overall** | **4.0/5** | 1 Reviews |
| Ease of Use | 4.0/5 | Based on overall reviews |
| Customer Support | 3.0/5 | Based on overall reviews |
| Value for Money | 4.0/5 | Based on overall reviews |
| Features | 3.0/5 | Based on overall reviews |
| Recommendation percentage | 40% | (4/10 Likelihood to recommend) |

## About the vendor

- **Company**: Diffblue

## Commercial Context

- **Starting Price**: US$30.00
- **Pricing model**: Per User (Free version available) (Free Trial)
- **Target Audience**: Self Employed, 2–10, 11–50, 51–200, 201–500, 501–1,000, 1,001–5,000, 5,001–10,000, 10,000+
- **Deployment & Platforms**: Mac (Desktop), Windows (Desktop), Linux (Desktop), Windows (On-Premise), Linux (On-Premise)
- **Supported Languages**: English
- **Available Countries**: United Kingdom

## Features

- API
- Automated Testing
- Change Management
- Configurable Workflow
- Continuous Deployment
- Continuous Integration
- For Developers
- Integrated Development Environment
- Software Development
- Testing Management

## Integrations (7 total)

- AWS CodeBuild
- Docker
- GitHub
- GitLab
- IntelliJ IDEA
- Jenkins
- Spring Boot

## Support Options

- Email/Help Desk
- FAQs/Forum
- Knowledge Base

## Category

- [DevOps Tools](https://www.getapp.co.nz/directory/1087/devops/software)

## Related Categories

- [DevOps Tools](https://www.getapp.co.nz/directory/1087/devops/software)
- [Test Management Tools](https://www.getapp.co.nz/directory/3879/test-management-tools/software)
- [Automation Testing Tools](https://www.getapp.co.nz/directory/389/testing/software)
- [Artificial Intelligence (AI) Software](https://www.getapp.co.nz/directory/1397/artificial-intelligence/software)
- [Diagram Software](https://www.getapp.co.nz/directory/698/diagram/software)

## Alternatives

1. [Jira](https://www.getapp.co.nz/software/9953/jira) — 4.4/5 (15490 reviews)
2. [GitHub](https://www.getapp.co.nz/software/90537/github) — 4.8/5 (6206 reviews)
3. [GitLab](https://www.getapp.co.nz/software/112635/gitlab) — 4.6/5 (1226 reviews)
4. [Bitbucket](https://www.getapp.co.nz/software/91554/bitbucket) — 4.6/5 (1350 reviews)
5. [MuleSoft Anypoint Platform](https://www.getapp.co.nz/software/100669/anypoint-platform) — 4.4/5 (575 reviews)

## Reviews

### "nice experiance" — 4.0/5

> **alex** | *14 August 2024* | Nanotechnology | Recommendation rating: 4.0/10
> 
> **Pros**: its management is very very fine and all customer support is so helpful
> 
> **Cons**: their working type how they work they work alot
> 
> it was good one but can me bore improved if they try

## Links

- [View on GetApp](https://www.getapp.co.nz/software/2074502/diffblue-cover)

## This page is available in the following languages

| Locale | URL |
| de | <https://www.getapp.de/software/2074502/diffblue-cover> |
| de-AT | <https://www.getapp.at/software/2074502/diffblue-cover> |
| en | <https://www.getapp.com/all-software/a/diffblue-cover/> |
| en-AE | <https://www.getapp.ae/software/2074502/diffblue-cover> |
| en-AU | <https://www.getapp.com.au/software/2074502/diffblue-cover> |
| en-CA | <https://www.getapp.ca/software/2074502/diffblue-cover> |
| en-GB | <https://www.getapp.co.uk/software/2074502/diffblue-cover> |
| en-IE | <https://www.getapp.ie/software/2074502/diffblue-cover> |
| en-NZ | <https://www.getapp.co.nz/software/2074502/diffblue-cover> |
| en-SG | <https://www.getapp.sg/software/2074502/diffblue-cover> |
| en-ZA | <https://www.getapp.za.com/software/2074502/diffblue-cover> |
| es | <https://www.getapp.es/software/2074502/diffblue-cover> |
| es-CL | <https://www.getapp.cl/software/2074502/diffblue-cover> |
| es-CO | <https://www.getapp.com.co/software/2074502/diffblue-cover> |
| es-MX | <https://www.getapp.com.mx/software/2074502/diffblue-cover> |
| fr | <https://www.getapp.fr/software/2074502/diffblue-cover> |
| fr-BE | <https://fr.getapp.be/software/2074502/diffblue-cover> |
| fr-CA | <https://fr.getapp.ca/software/2074502/diffblue-cover> |
| nl | <https://www.getapp.nl/software/2074502/diffblue-cover> |
| nl-BE | <https://www.getapp.be/software/2074502/diffblue-cover> |
| pt | <https://www.getapp.com.br/software/2074502/diffblue-cover> |
| pt-PT | <https://www.getapp.pt/software/2074502/diffblue-cover> |

-----

## Structured Data

<script type="application/ld+json">
  {"@context":"https://schema.org","@graph":[{"name":null,"address":{"@type":"PostalAddress","addressLocality":null,"addressRegion":null,"postalCode":null,"streetAddress":null},"description":"Review, Compare and Evaluate small business software. GetApp New Zealand has software offers, SaaS and Cloud Apps, independent evaluations and reviews.","email":"info@getapp.co.nz","url":"https://www.getapp.co.nz/","logo":"https://dm-localsites-assets-prod.imgix.net/images/getapp/getapp-logo-light-mode-5f7ee07199c9b3b045bc654a55a2b9fa.svg","@id":"https://www.getapp.co.nz/#organization","@type":"Organization","parentOrganization":"G2.com, Inc.","sameAs":["https://twitter.com/getapp","https://www.facebook.com/GetAppcom","https://www.instagram.com/getappcom/","https://www.youtube.com/c/GetAppCom"]},{"name":"Diffblue Cover","description":"Diffblue Cover is an on-premises AI platform that autonomously generates and maintains comprehensive Java and Kotlin unit tests without requiring developer input, manual test writing, or iterative prompting. Powered by a reinforcement learning engine, the platform analyzes compiled bytecode, maps classes and methods, generates test candidates, and iteratively refines them to maximize coverage, producing JUnit and TestNG tests guaranteed to compile and pass with no hallucinations. An optional LLM-Augmented Intelligence layer integrates customer-approved large language models via a bring-your-own-model approach, fusing LLM capabilities with the core reinforcement learning engine to improve coverage of complex business logic while preserving deterministic output. All processing occurs entirely within the customer's environment; no code or data is transmitted externally.\n\nThe platform delivers multiple deployment surfaces: Cover Plugin provides one-click test generation inside IntelliJ IDE; Cover CLI generates tests for entire projects from the command line, auto-configuring from Maven or Gradle environments; and Cover Pipeline integrates with GitHub, GitLab, Jenkins, Azure, AWS, and other CI systems to automatically create, execute, and update tests on pull and merge requests. Cover Reports, a server-side web application, visualizes test coverage statistics, coverage risk, and testability metrics. Cover Optimize selectively runs only tests relevant to a given code change, reducing local and CI execution time. Cover Refactor suggests and automates code fixes to improve testability, and Test Asset Insights analyzes existing test suites to extract patterns and generate additional idiomatic coverage that follows established conventions.\n\nDiffblue Cover targets Java and Kotlin development teams at enterprises across financial services, healthcare, technology, and manufacturing. Documented customers include large financial institutions, multinational healthcare enterprises, and global technology manufacturers, including organizations using the platform for medical device software to support regulatory compliance. Available in Community (free), Developer, and Enterprise editions, the platform scales from individual developers to large engineering organizations managing complex legacy codebases, supporting Java version migrations, microservices refactoring, and coverage requirements for regulatory audits.","url":"https://www.getapp.co.nz/software/2074502/diffblue-cover","@id":"https://www.getapp.co.nz/software/2074502/diffblue-cover#software","@type":"SoftwareApplication","publisher":{"@id":"https://www.getapp.co.nz/#organization"},"applicationCategory":"BusinessApplication","aggregateRating":{"@type":"AggregateRating","bestRating":5,"ratingCount":1,"ratingValue":4.0},"offers":{"price":"30","@type":"Offer","priceCurrency":"USD"},"operatingSystem":"Apple, Windows, Linux, Windows on premise, Linux on premise"},{"@id":"https://www.getapp.co.nz/software/2074502/diffblue-cover#breadcrumblist","@type":"BreadcrumbList","itemListElement":[{"name":"Home","position":1,"item":"/","@type":"ListItem"},{"name":"DevOps Tools","position":2,"item":"/directory/1087/devops/software","@type":"ListItem"},{"name":"Diffblue Cover","position":3,"item":"/software/2074502/diffblue-cover","@type":"ListItem"}]}]}
</script>