Functionize vs Windsurf vs Kilo Code vs Katalon
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
Functionize
vs
Functionize
Competitor 1
Windsurf
Windsurf
Competitor 2
Kilo Code
Kilo Code
Competitor 3
Katalon
KatalonCompare
4 tools · best value per row highlighted
Your tool
Functionize
Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Competitor
Windsurf
Windsurf
windsurf.com
Windsurf, which now appears on the web as Devin Desktop, is a desktop code editor that doubles as a control room for coding agents.
Competitor
Kilo Code
Kilo Code
kilocode.ai
Kilo Code is an open source AI agent Visual Studio (VS) Code extension that focuses on enhancing the efficiency of coding. The tool can generate code, automate tasks, and offer practical suggestions.
Competitor
Katalon
Katalon
katalon.com
Katalon is an AI testing platform for QA teams that brings authoring, test management, execution and production insight into one place.
Traffic estimated monthly website traffic
Monthly visits
—
29.6Kvisits/mo
1.9Kvisits/mo
—
MoM change
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▲ 7.8%
▼ 42.3%
—
6-month growth
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+122.1%
-94.4%
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Global rank web
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#1,172,623
#4,668,091
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Avg. last 3 months
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26.9K
10.5K
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Bounce rate lower is better
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50%
34%
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Pages / visit
—
1.3
2.4
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Visit duration
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13s
19s
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Traffic sources
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—
—
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FunctionizeWindsurfKilo CodeKatalon
Pricing
Model
Freemium
Freemium
Freemium
Freemium
Starting price
$20per month · free tier available
$20per month · free tier available
$20per month · free tier available
$83.33per month · free tier available
Free tier
Free trial
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–
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API access
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–
–
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Plans
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Free FreePro $20/moMax $200/moTeams $80/mo
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Free FreeProfessional $1,000/yrEnterprise Custom
Capabilities input → output
Input
TextWeb pages
CodeText
CodeText
CodeText
Output
Data
Code
Code
CodeData
Skill level
Advanced
Advanced
Advanced
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
7
8
5
10
Coding
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Test automation
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Testing
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Agents
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Test creation
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Test generation
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Test cases
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Website testing
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Agent management
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Code autocompletion
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Test management
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API testing
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Coding in VS Code
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Debugging
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Developer tools
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–
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No-code
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–
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Code analysis
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Code reviews
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–
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Development
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GitHub pull requests
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Playwright tests
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Vs code
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–
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
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.