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STCLab Inc. | CEO: Hyung Joon Park
Company registration number: 538-81-02079 | Mail order sales: 2022-서울강남-04035호
2nd floor, CampG, Bongeunsa-ro 37gil, Gangnam-gu, Seoul, Republic of Korea
+82-2-3453-1424 | support@stclab.com | 2025 © STCLab Inc.
STCLab is responsible for managing all inquiries and refunds.

Find your Best FFFLOW

Optimize your website with a variety of features.

Automatically set metrics
Scene Editor
Event target setting
Traffic setting
Data analysis
Contact us
See more plans

Are you ready to start A/B Test?

Validate your hypothesis doing A/B Test.

Start Free-Trial
Scene Editor

Customize your own design.

Do you want to change the color of the button?

You can change the color you want just one click.

You can also edit multiple pages of designs freely.

Experience the Scene Editor Now.

Try Live FFFlay on your PC.

Build your A/B Test
Point 1

Just select the objectives of the test. Set metrics in One-click.

Please select only the objectives you want. Complete Objective settings without any additional development.
Point 2

Traffic can be set up for each test group.

You can control exposure amount for test groups. Manage the target visitors by each test group.
Point 3

Select an event target for the test.

You can select the data you want to compare. Please pick the event target you need for the test.
Point 4

Build a multi-page experiment.

Need to move pages to build a test? Move the page with the interaction function.
Data Analysis

Choose the winner group.

Compare the data by group and improve the website.

Pricing

Build your A/B test with Free-Trial.

Optimize your website with FFFLOW.

Free-Trial
Starter
Max. number of test
Unlimited
Unlimited
Max. number of archivable tests
Unlimited
Unlimited
Number of active Main domain
1
1
Test groups per A/B Test
3 (including Original)
3 (including Original)
Objective per A/B Test
1
1
Metrics per Objective
1
1
Scene Editor
Free
Free
Traffic allocation
Free
Free

MTU

Monthly Tracked Users

Free 10,000 MTU
50,000 $80/mo
100,000 $150/mo
500,000 $550/mo
1M $850/mo
Data retention period
60 days
60 days
Number of members
1 (including Owner)
3 (including Owner)