
Retention.com's identity resolution software helps Shopify merchants recover lost shoppers and increase Klaviyo flow revenue.

Analyzify is the easiest way to get valuable insights from your Shopify data. With Analyzify, you can connect your Shopify store with Google Tag Manager, Google Analytics 4, and many others easily.
| Feature | Retention.com | Analyzify | Littledata |
|---|---|---|---|
| Customer data to marketing platforms | ✔️ | ✔️ | ✔️ |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ✔️ | |
| 30 day free trial | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Direct from Shopify's servers | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ |
Retention.com focuses narrowly on identity resolution to recover anonymous shoppers and boost Klaviyo flows — strong for email recovery, but limited in broader analytics capability.
Analyzify excels at connecting Shopify data to GA4 and Google Tag Manager, making it solid for marketing analytics. However, it relies on browser-based tags via GTM, meaning it misses server-side events and can't fully enrich the customer journey.
Where Littledata wins:
| Retention.com | Analyzify | Littledata | |
|---|---|---|---|
| Example product review | "Conflicting GA4 properties led to quadruplicate tracking and corrupted analytics data... resulted in significant financial impact due to lost advertising effectiveness and countless hours of troubleshooting." | "We were having difficulties with accurate and consistent revenue attribution...With Littledata implemented, we now get consistent and accurate revenue attribution." | |
| Example support review | "Unfortunately, the team... very high employee turnover; it can be really frustrating to have to re-explain things to new reps." | "Awful experience. You pay $$$ and have to troubleshoot everything with little help... just get redirected to help articles." | "Customer support is absolutely amazing... you can never go wrong when an app does what it says and tacks on great service!" |
| Link | Read more reviews |
| Store size | Retention.com | Analyzify | Littledata |
|---|---|---|---|
| 50 orders / month | $500 | $79 | $39 |
| 500 orders / month | $500 | $79 | $199 |
| 5,000 orders / month | $2000 | $79 | $449 |
| 20,000 orders / month | $5000 | $183 | $1390 |
For an online store with 50 orders, Retention.com is 532% more expensive than Analyzify and 1,186% more than Littledata. At 500 orders, Retention.com and Analyzify are equal, while Littledata is 70% cheaper than both. With 5,000 orders, Retention.com is 2,531% more than Analyzify and 472% more than Littledata. At 20,000 orders, Retention.com is 2,637% more than Analyzify and 526% more than Littledata. Overall, Retention.com consistently has the highest pricing across all order volumes.
| Destination | Retention.com | Analyzify | Littledata |
|---|---|---|---|
| Klaviyo | ✔️ | ✔️ | |
| Google Analytics | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| TikTok | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| ✔️ | |||
| Segment | ✔️ | ||
| Attentive | ✔️ | ||
| Microsoft Ads | ✔️ |
Retention.com is laser-focused on email/SMS retargeting — its sole destination (Klaviyo) means it's built purely to identify anonymous visitors and push them into retention flows, not ad platforms.
Analyzify targets paid media performance — its destinations (GA4, Meta, TikTok, Google Ads) are optimized for ad attribution and analytics accuracy via server-side event matching.
Littledata offers the broadest ecosystem, covering paid media, analytics, email/SMS (Klaviyo, Attentive), and data infrastructure (Segment), making it the most versatile for brands wanting a unified server-side data layer across multiple stacks.
Bottom line: Retention.com = retention/CRM. Analyzify = ad attribution. Littledata = full-stack data routing across ads, analytics, and owned channels.
