Kirro
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A/B testing made simple

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MKJDASRM
1,000+ A/B tests run
Sstride/co
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SS26 PERFORMANCE COLLECTION
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Engineered for max output.
Apparel built around the way you actually move. Lighter fabric, smarter fit.
Shop the kit →
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Personalize copy×
Generate variations to test against the original.
Run lighter. Train harder. Built for the way you move.
Generate
1. Headline⌄
Original
Engineered for max output.
RunningThis weekDone
Homepage · Hero
✓Headline rewrite+13.4%
✓CTA color+4.1%
Add social proofDay 2
Lift+34%
As featured on
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How it works

Three minutes. That's it.

GTMK
One paste. You're live.

1. Connect your site

Add Kirro to your site with one click through Google Tag Manager. Answer a few questions about your business. Done.

✦
3 ideas, ranked by impact.

2. Get smart test ideas

Kirro reads your pages and spots what's worth testing. Every suggestion tells you what to change and why.

+0.0%
Plain-English winner.

3. Approve and launch

Pick a suggestion. Check the preview. Click approve. Kirro tells you the winner in plain English.

RunningThis weekDone
Homepage · Hero
✓Headline rewrite+13.4%
✓CTA color+4.1%
Add social proofDay 2
Kirro does the thinking

Kirro knows what
to test

Kirro reads your live page, spots what's costing you conversions, and suggests the tests most likely to win. Every result makes the next suggestion smarter.

Try Kirro free
Hero⋯
Personalize copy×
Generate variations to test against the original.
Run lighter. Train harder. Built for the way you move.
Generate
1. Headline⌄
Original
Engineered for max output.
Start in minutes, not weeks

Ridiculously easy

One-click install through Google Tag Manager. Your GA4 goals work as test objectives automatically. Point, click, change. Results in plain English.

1
One-click GTM install
Paste once. Kirro lives in your existing tag setup.
2
Visual editor, no code
Click anything on your page and rewrite it.
3
GA4 goals built in
Your existing conversion goals become test objectives automatically.
Try Kirro free
Good to know

Built for sites like yours

0K/mo
Enough traffic. Clear results.

Works with small traffic

Most tools demand huge visitor numbers. Kirro uses smarter math that works with the traffic you already have. 5,000 monthly visitors? Enough to learn something useful.

0KB
Kirro
Others
16× lighter. Site stays fast.

Your site stays fast

Kirro's script is 9KB. Most competitors load 100-200KB. Won't slow your site down one bit.

4.2%
A
≈
4.4%
B
No winner? We'll say so.

Honest about what works

Kirro tells you when a test wins. And when it doesn't. No dressed-up numbers, no fake wins. If there's not enough data, Kirro says so.

Plans

Simple pricing. No surprises.

Free trial
Free
The full product for 14 days.
Unlimited tests
Unlimited visitors
AI test suggestions
Visual editor + GA4
No credit card needed
Start free trial
Kirro
€79/moSave 20%
Everything. No limits. No surprises.
Unlimited tests
Unlimited visitors
AI test suggestions
Visual editor + GA4
Cancel anytime, one click
Get started

Most A/B testing tools start at €299/month. Some won't even show you the price.

Who it's for

Built for marketers & founders, not data-scientists

Kirro is for you, if you:
Run the website alongside ten other things
Know your site could convert better
Have no time to become a testing expert
Want clear answers, not dashboards
Try Kirro free
Kirro is not for you, if you:
Have a dedicated conversion team
Need complex testing
Need feature flags or server-side
Want to build your own testing setup
Pick a ‘competitor’
Resources

Ideas to improve your conversion

A
vs
B

A/B Testing Guide (2026)

A/B testing compares two versions of a webpage to see which one performs better. Read the ultimate guide here.

Read more
Visitors
Sign-ups
Activated
Paying

Conversion Rate Optimization (2026)

Whatever your business goal is, CRO helps more people reach it. Read our CRO guide via the link below.

Read more

Best conversion rate optimization tools

Conversion rate optimization tools fall into six categories. Read about which ones you need.

Read more
See all resources

Start your first test today!

Try Kirro for free. No credit card required.

Try Kirro for free