Comparison · 19 merchant reviews read · Updated October 2026
Theme Scientist vs Datablaze
Short answer
Pick Theme Scientist if you need theme tests and content tests.
Pick Datablaze if you need ai test ideas and you want to start on a free plan.
 Theme Scientist |  Datablaze | |
|---|---|---|
| App Store rating | 4★ (13) | 5★ (6) |
| Cost at your traffic | $29.99+/moYour traffic is above the listed limits. Tester Pro is the floor, expect a custom quote. | FreeCheapest plan: Free. |
| How price scales | 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). | Free to start, then $49/month for Grow or $299/month for Scale, with flat prices that don't change with store traffic or sales. |
| Launched | March 5, 2020 | April 30, 2026 |
| App Store listing | App Store listing |
Datablaze starts at $0 a month, Theme Scientist at $9.99
Theme Scientist
- Tester$9.99/mo
- Tester+$19.99/mo
- Tester Pro$29.99/mo
Datablaze
- FreeFree
- Grow$49/mo
- Scale$299/mo
Only Theme Scientist can run theme tests
Read from each app's listing. A dot means the listing says it can do it.
| Theme Scientist | Datablaze | |
|---|---|---|
| Theme tests | ● | ○ |
| Content tests | ● | ○ |
| AI test ideas | ○ | ● |
| Free plan | ○ | ● |
What reviewers complain about
None of these apps has 20+ reviews yet, so there's not enough to compare complaint rates.
Datablaze replies to 100% of reviews, Theme Scientist to 85%
| Theme Scientist | Datablaze | |
|---|---|---|
| Reviews with a developer reply | 85% | 100% |
| Praise support | 69.2% | 16.7% |
| Complain about support | 7.7% | 0% |
Results merchants put a number on
- 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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