Diffblue Cover vs GitHub Copilot vs devlo vs CodeRabbit

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
Competitor 2
devlo
Competitor 3
CodeRabbit
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.
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Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor devlo
devlo.ai
Engineering teams get a browser-based system that handles code from multiple angles
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Competitor CodeRabbit
coderabbit.ai
Automated code review that matters
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
—
1Mvisits/mo
MoM change
—
▲ 3.7%
▼ 70.3%
▼ 22.7%
6-month growth
—
+19.3%
—
+50.4%
Global rank web
—
#49
#8,880,689
#38,145
Avg. last 3 months
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629.7M
537
1.2M
Bounce rate lower is better
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36%
0%
49%
Pages / visit
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5.9
—
3.5
Visit duration
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6m 26s
—
1m 55s
Traffic sources
—
● Direct 83% · ● Referral 15%
—
● Direct 73% · ● Referral 24%
Diffblue CoverGitHub CopilotdevloCodeRabbit
0159.5M318.9M478.4M637.9MGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1M1K10K100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9Mdevlo · 7.9Kdevlo · 5.4Kdevlo · 1.6KCodeRabbit · 442KCodeRabbit · 588.1KCodeRabbit · 711.7KCodeRabbit · 641.9KCodeRabbit · 681.8KCodeRabbit · 694.5KCodeRabbit · 869.9KCodeRabbit · 1.1MCodeRabbit · 1.3MCodeRabbit · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Paid
Freemium
Freemium
Freemium
Starting price
$1,500per month
$4per month · free tier available
$19per month · free tier available
$24per month
Free tier
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Free trial
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API access
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Plans
Starter package $1,500Enterprise Custom
Free FreeTeam $4/moEnterprise $21/mo
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Essentials $24/moTeam $48/moAdvanced $72/moEnterprise Custom
Capabilities input → output
Input
Code
CodeText
CodeText
Code
Output
Code
Code
AppsCode
CodeText
Skill level
Advanced
Intermediate
Advanced
Intermediate
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeProductivity & OfficeAI AgentAI App Builder+2 more
Development & CodeAI Code Review
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
4
11
8
Code reviews
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Coding
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GitHub pull requests
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Agents
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Code testing
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Code quality
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Development
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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 analysis
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Code documentation
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Code security analysis
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GitHub
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Jira tickets
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–
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Test automation
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Testing
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Agent management
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Frontend development
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Test cases
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
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.