Comparison · 152 merchant reviews read · Updated October 2026
Shoplift vs GemX
Short answer
Pick Shoplift if you need price tests and theme tests and you want the fewest bug complaints.
Pick GemX if you need offer tests and you want the lowest starting price ($49/month).
 Shoplift |  GemX | |
|---|---|---|
| App Store rating | 4.9★ (133) | 4.8★ (25) |
| Cost at your traffic | $99+/moStarting price. The listing says price rises with visitors but gives no tiers. | $49+/moStarting price. The listing says price rises with revenue but gives no tiers. |
| How price scales | Starts at $99/month ($74/month billed annually) and goes up with your site's monthly unique visitors, with higher tiers adding features and support. | Starts at $49/month for single-page testing, or from $99/month (up to $699) for full-funnel testing, with the Funnel plan price rising with your monthly store revenue. |
| Launched | September 15, 2022 | September 23, 2024 |
| App Store listing | App Store listing |
GemX starts at $49 a month, Shoplift at $99
Shoplift
- Core$99/mo
- Advanced$399/mo
- Pro$999/mo
“Based on site-wide monthly unique visitors.”
GemX
- Page Optimize$49/mo
- Funnel Optimize$99/mo
“Starts at $99 and goes up to $699. Pricing scales based on monthly sitewide revenue.”
Only Shoplift can run price tests
Read from each app's listing. A dot means the listing says it can do it.
GemX reviews mention reporting and stats problems 4.3% of the time, Shoplift 0%
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.
The most common Shoplift complaint: price
The product itself works as advertised. We like the fact variants load without the original-page flash you get with some client-side testing apps. Two reasons I uninstalled. First, pricing. If you run a high-traffic store, the session-based cost gets very expensive very quickly. In our case several times what comparable tools charge. Check the maths carefully against your own traffic profile…
The most common GemX complaint: support
Tracking is inaccurate even after 24 hours. The app doesn't collect data on orders or visitors at all. I wasted two days testing only to see results that make no sense and don't match reality. Support doesn't exist. The support app itself doesn't even work. No way to get help, no responses, nothing. Stay away from this app.
GemX replies to 44% of reviews. Shoplift replies to none
Serious problems reviewers reported
Billing disputes, broken stores, misused data and missing features. Each one is a single merchant's account.
The product itself works as advertised. We like the fact variants load without the original-page flash you get with some client-side testing apps. Two reasons I uninstalled. First, pricing. If you run a high-traffic store, the session-based cost gets very expensive very quickly. In our case several times what comparable tools charge. Check the maths carefully against your own traffic profile…
Didn't had the change to run split-tests because bugs. $99,- gone for not even live with the app. First of all, the app is buggy and not worth the cost. It is connected to an outdated theme, and I didn’t even have a chance to try it properly. I tried to run a split-test but for some reason it grab the outdated theme. There is no live chat. I will try Intelegems.
Tracking is inaccurate even after 24 hours. The app doesn't collect data on orders or visitors at all. I wasted two days testing only to see results that make no sense and don't match reality. Support doesn't exist. The support app itself doesn't even work. No way to get help, no responses, nothing. Stay away from this app.
Results merchants put a number on
- 45% conversion rate with Shoplift. “increase our conversion rate by 45%”
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