Diffblue Cover vs GitHub Copilot CLI vs devlo vs GitHub Copilot

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Diffblue Cover
vs
Competitor 1
GitHub Copilot CLI
Competitor 2
devlo
Competitor 3
GitHub Copilot
Compare
4 tools · best value per row highlighted
Your tool Diffblue Cover
diffblue.com
Diffblue Cover, now offered as the Diffblue Testing Agent, generates, verifies and fixes unit tests autonomously across enterprise codebases.
Remove
Competitor GitHub Copilot CLI
github.com
It reads, writes and runs code, works directly with your issues and pull requests, and carries a task from planning to merged code.
Make main Remove
Competitor devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
Make main Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
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637.9Mvisits/mo
MoM change
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▼ 70.3%
▲ 3.7%
6-month growth
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+19.3%
Global rank web
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#8,880,689
#49
Avg. last 3 months
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537
629.7M
Bounce rate lower is better
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0%
36%
Pages / visit
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5.9
Visit duration
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6m 26s
Traffic sources
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● Direct 83% · ● Referral 15%
Diffblue CoverGitHub Copilot CLIdevloGitHub Copilot
0159.5M318.9M478.4M637.9Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9M1K10K100K1M10M100M1Bdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
$1,500per month
Free
$19per month · free tier available
$4per month · free tier available
Free tier
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Free trial
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API access
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Plans
Starter package $1,500Enterprise Custom
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Free FreeTeam $4/moEnterprise $21/mo
Capabilities input → output
Input
Code
CodeText
CodeText
CodeText
Output
Code
Code
AppsCode
Code
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Coding Assistant
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
9
5
14
9
Agents
Coding
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GitHub pull requests
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Code reviews
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Debugging
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Code autocompletion
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Teams performance analytics
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Test creation
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Test generation
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Unit tests
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Agent creation
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Code testing
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Coding in VS Code
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Development
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GitHub
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Jira tickets
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Test automation
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Testing
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Vs code
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Agent management
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Code quality
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Codebase q a
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Developer tools
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Frontend development
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GitHub management
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No-code
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Terminal
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Test cases
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
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Upvotes
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Saves
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Reviews
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Prompts
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Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.