Comparison · 92 merchant reviews read · Updated October 2026
ABConvert vs Theme Scientist
Short answer
Pick ABConvert if you need price tests and template tests and you want the most proven option (84 reviews).
Pick Theme Scientist if you need content tests and you want the lowest starting price ($9.99/month).
 ABConvert |  Theme Scientist | |
|---|---|---|
| App Store rating | 4.6★ (84) | 4★ (13) |
| Cost at your traffic | $99/moStarter covers your traffic. | $29.99+/moYour traffic is above the listed limits. Tester Pro is the floor, expect a custom quote. |
| How price scales | Starts at $99/month with a free trial available, and each plan includes a set number of monthly test orders (1,000 to 30,000) with per-1,000 charges beyond that. | Starts at $9.99/month with a 14-day free trial, and the price goes up as your store's monthly order limit increases (50, 250, or 500 orders). |
| Launched | October 31, 2022 | March 5, 2020 |
| App Store listing | App Store listing |
Theme Scientist starts at $9.99 a month, ABConvert at $99
ABConvert
- Starter$99/mo
- Growth$199/mo
- Scale$399/mo
- Pro$599/mo
“1,000 test orders included. +$59/1K after; 5,000 test orders included. +$39/1K after; 15,000 test orders included. +$29/1K after; 30,000 test orders included. +$24/1K after”
Theme Scientist
- Tester$9.99/mo
- Tester+$19.99/mo
- Tester Pro$29.99/mo
Only ABConvert can run price tests
Read from each app's listing. A dot means the listing says it can do it.
| ABConvert | Theme Scientist | |
|---|---|---|
| Price tests | ● | ○ |
| Theme tests | ● | ● |
| Template tests | ● | ○ |
| Content tests | ○ | ● |
| URL split tests | ● | ○ |
| Shipping tests | ● | ○ |
| Offer tests | ● | ○ |
| Checkout tests | ● | ○ |
| Visual editor | ● | ○ |
| AI test ideas | ● | ○ |
| Audience targeting | ● | ○ |
| Profit per variant | ● | ○ |
What reviewers complain about
Share of each app's reviews that complain about the topic. Apps under 20 reviews are left out because a single review swings the number.
| ABConvert | |
|---|---|
| Price | 3.8% |
| Billing and refunds | 1.3% |
| Support | 6.3% |
| Bugs | 6.3% |
| Setup | 1.3% |
| Dashboard | 1.3% |
| Reporting and stats | 0% |
| Flicker | 1.3% |
| Page speed | 0% |
| Integrations | 1.3% |
| What you can test | 1.3% |
| Results | 0% |
The most common ABConvert complaint: support
The support process is ridiculous. You're required to book a ticket just to speak to someone which sure whatever thats fine but the issue is you close out the ticket without any response from us on whether or not your suggestions fixed the issue at hand to which we have to go through your AI chat system and respond to multiple unnecessary prompts just to get passed it so we can speak to book a…
Theme Scientist replies to 85% of reviews, ABConvert to 4%
| ABConvert | Theme Scientist | |
|---|---|---|
| Reviews with a developer reply | 4% | 85% |
| Praise support | 87.3% | 69.2% |
| Complain about support | 6.3% | 7.7% |
Serious problems reviewers reported
Billing disputes, broken stores, misused data and missing features. Each one is a single merchant's account.
USE AT YOUR OWN RISK This app cost me more than it helped or saved. *****DOES NOT SYNC INVENTORY. (also does not warn you about this) In my case this lead to overselling hundreds of items. when I asked the staff to explain how inventory works, it took well over 5 minutes to get a real answer: Me: so i am meant to manually recalculate my inventory after a test? Jeffrey: No you don’t have to Me:…
USE AT YOUR OWN RISK This app cost me more than it helped or saved. *****DOES NOT SYNC INVENTORY. (also does not warn you about this) In my case this lead to overselling hundreds of items. when I asked the staff to explain how inventory works, it took well over 5 minutes to get a real answer: Me: so i am meant to manually recalculate my inventory after a test? Jeffrey: No you don’t have to Me:…
Results merchants put a number on
- 40% other with ABConvert, testing quantity breaks. “reduce COGs by 40%”
- 0.1% conversion rate with ABConvert. “improve your conversion rate by 0.1%”
- over $50k a year revenue with Theme Scientist, testing multiple growth ideas. “increase our revenue by over $50k a year”
- double conversion rate with Theme Scientist. “double, yes double our conversion rates in 3 months”
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