Shopify app
EmergingTheme Scientist A/B Testing
No-code AB testing for your theme and products!
- Rating on Shopify
- 4.0(13)
- Reviews
- 13
- Developer
- PreviewX
- Launched
- March 5, 2020
- Pricing
- From $9.99/month. Free trial available.
- Languages
- English
The facts
Every value below is read from the listing or computed by the published formula. Nothing is a verdict.
Bayesian rating
4.25
category median 4.23
Reviews in the last 180 days
0
from the 3 reviews on the listing page
1 and 2 star share
15%
2 of 13
Starting price
$9.99/month
band: Under $10 · 14-day trial
Pricing plans as listed on Shopify
All charges are billed in USD. Recurring and usage-based charges are billed every 30 days. See all pricing options
| Plan | Price | Billed yearly | Trial | Usage fee | Included |
|---|---|---|---|---|---|
| Tester | $9.99/month | $83.88/year | 14 days | none stated | 14 day free trial; Theme A/B testing; Product A/B testing; Analytics; Theme scheduler; Up to 50 orders per month |
| Tester+ | $19.99/month | $167.88/year | 14 days | none stated | 14-day free trial; Theme A/B testing; Product A/B testing; Analytics; Theme scheduler; Up to 250 orders per month |
| Tester Pro | $29.99/month | $251.88/year | 14 days | none stated | 14-day free trial; Theme A/B testing; Product A/B testing; Analytics; Theme scheduler; Up to 500 orders per month |
Rating distribution
13 ratings on the listing at crawl time.
- 5 stars11(85%)
- 4 stars0(0%)
- 3 stars0(0%)
- 2 stars1(8%)
- 1 star1(8%)
Latest reviews
The 3 most recent of 3 on-page reviews, quoted to at most 25 words each. Full reviews are on the Shopify listing.
1 starJun 27, 2025Soccer MaxxCanada10 months using the app
"They change their plans so you have to keep upgrading to keep using the same features."
Developer replied. Read on Shopify
5 starsAug 12, 2024ElizabettaUnited StatesOver 1 year using the app
"This is a very useful app, and it's free! Helpful support staff, easy to use, I'm very happy."
5 starsDec 13, 2021Lift DownUnited States3 months using the app
"Great app for those looking to make more informed decisions when it comes to theme updates. Also the support team is very responsive."
Developer replied. Read on Shopify
Features Shopify lists for this app
Feature handles from the listing, grouped as Shopify groups them.
Customer behavior
- Activity tracking
Marketing and sales
- Checkout analytics
Visuals and reports
- Analytics dashboard
Data access
As disclosed on the listing. Never scored.
Not disclosed on the listing.
Developer
PreviewX
- Apps in the dataset:
- 4
- Address:
- 366 Main Street, Suite 946, Conyngham, PA, 18219, US
- Website:
- www.previewx.com
- Support email domain:
- previewx.zendesk.com
- English support:
- yes
- Resources:
- Privacy policy, FAQ
Similar apps
Shopify's own similar-apps list first, then apps in the same category that share the most feature handles.
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From the Shopify listingDeveloper claims, shown verbatim and collapsed. 87 words.Show
- Run AB testing on your Shopify theme – learn what improves conversion rate!
- Run AB testing on your products – change titles, descriptions, and more
- Use AB testing results to enhance customer experience and boost conversion rates
- Easily schedule changes to your Shopify theme for timed promotions!
- Dedicated support – need help setting up a a theme test? AB test products?
Easy A/B testing with no code. Schedule changes to see which AB test boosts conversion rates.
Maximize your conversion rate by understanding what drives customer conversions. With Theme Scientist, you can conduct AB testing on your Shopify theme effortlessly and without code.
Each theme test delivers critical data to optimize your store and improve sales. Our no-code solution makes it easy to experiment with theme and product details.
Plus, our scheduler allows you to time updates, providing deeper insights and greater control over your Shopify theme’s performance.
Data as of Oct 15, 2026, from the public Shopify App Store listing. How the numbers are computed: methodology.
13 reviews counted on the listing. Rating and count in the structured data are the values Shopify displayed at crawl time.