Functionize vs GitHub Copilot vs Kilo Code Reviewer vs Atai - Automated Testing AI

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

Your tool
Functionize
vs
Competitor 1
GitHub Copilot
Competitor 2
Kilo Code Reviewer
Competitor 3
Atai - Automated Testing AI
Compare
4 tools · best value per row highlighted
Your tool Functionize
functionize.com
Functionize is an agentic quality platform whose Studio product builds, runs and maintains tests against your live application.
Remove
Competitor GitHub Copilot
github.com
Your AI pair programmer that actually knows the codebase
Make main Remove
Competitor Kilo Code Reviewer
kilo.ai
Make main Remove
Competitor Atai - Automated Testing AI
automatedtesting.ai
Atai uses Vision AI to generate automated test cases for web applications by interpreting natural language prompts
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
—
637.9Mvisits/mo
1Mvisits/mo
—
MoM change
—
▲ 3.7%
▼ 17.7%
—
6-month growth
—
+19.3%
-45.8%
—
Global rank web
—
#49
#41,702
—
Avg. last 3 months
—
629.7M
1.3M
—
Bounce rate lower is better
—
36%
41%
0%
Pages / visit
—
5.9
3.3
—
Visit duration
—
6m 26s
2m 00s
—
Traffic sources
—
● Direct 83% · ● Referral 15%
● Direct 85% · ● Referral 13%
—
FunctionizeGitHub CopilotKilo Code ReviewerAtai - Automated Testing AI
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 · 637.9MKilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1M100K1M10M100M1BGitHub Copilot · 484.3MGitHub Copilot · 504MGitHub Copilot · 542.6MGitHub Copilot · 534.8MGitHub Copilot · 634.3MGitHub Copilot · 631MGitHub Copilot · 636.1MGitHub Copilot · 615.2MGitHub Copilot · 637.9MKilo Code Reviewer · 144.8KKilo Code Reviewer · 830KKilo Code Reviewer · 1.1MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.9MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.4MKilo Code Reviewer · 1.7MKilo Code Reviewer · 1.3MKilo Code Reviewer · 1MNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Freemium
Free Trial
Starting price
$20per month · free tier available
$4per month · free tier available
$15per month · free tier available
$19per month
Free tier
–
Free trial
–
–
API access
–
–
–
Plans
Free FreeGrowth $20/moScale $100/moEnterprise Custom
Free FreeTeam $4/moEnterprise $21/mo
Free & Open Source FreeTeams $15/moKilo Pass $19/moEnterprise Custom
Download For Life $99/one-timeCloud Subscription $19/mo
Capabilities input → output
Input
TextWeb pages
CodeText
Code
TextWeb pages
Output
Data
Code
Text
Code
Skill level
Advanced
Intermediate
Intermediate
Advanced
Categories
Development & CodeAI Testing
Development & CodeProductivity & OfficeAI AgentAI Code Review+1 more
Development & CodeAI Code Review
Development & CodeAI Testing
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
7
9
5
10
Agents
–
Test automation
–
–
Testing
–
–
Code reviews
–
–
Test creation
–
–
Test generation
–
–
Test cases
–
–
Website testing
–
–
Code autocompletion
–
–
–
Coding
–
–
–
Browser testing
–
–
–
Code quality
–
–
–
Code security analysis
–
–
–
Coding in VS Code
–
–
–
GitHub pull requests
–
–
–
UI testing
–
–
–
Vs code
–
–
–
Agent management
–
–
–
Code analysis
–
–
–
Debugging
–
–
–
Terminal
–
–
–
Test management
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
Verified listing
–
–
–
–

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.