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

Server-side tracking and session enrichment for Shopify. Works for Facebook, Instagram, Klaviyo, Google Ads, TikTok & Pinterest.
| Feature | Retention.com | TrackBee | Littledata |
|---|---|---|---|
| Customer data to marketing platforms | ✔️ | ✔️ | ✔️ |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| 30 day free trial | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Fully automatic, no code setup | ✔️ | ✔️ | |
| Direct from Shopify's servers | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ | ||
| Built For Shopify | ✔️ |
Neither Retention.com nor TrackBee is Littledata, so here's where Littledata wins:
Retention.com focuses narrowly on identity resolution for Shopify/Klaviyo recovery flows — it lacks server-side tracking, no-code setup, and native Shopify Markets support.
TrackBee offers server-side tracking and broad platform coverage, but lacks identity resolution and native Shopify Markets support.
Littledata wins because it combines both worlds:
For a Shopify Plus brand needing accurate, enriched data across marketing platforms with minimal setup, Littledata's combination of server-side infrastructure, identity resolution, and Markets compatibility makes it the strongest all-in-one solution.
Retention.com vs TrackBee's customer reviews
| Retention.com | TrackBee | Littledata | |
|---|---|---|---|
| Example product review | "Great tool, use it several month to enrich my tracking data to increase performance. It works well... Finally my tracking is accurate, also performance increased!" | "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." | "Customer support is non-existent, and responses take forever... very frustrating experience." | "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 | Read more reviews | Read more reviews |
Retention.com vs TrackBee's monthly subscription cost
| Store size | Retention.com | TrackBee | Littledata |
|---|---|---|---|
| 50 orders / month | $500 | $87 | $39 |
| 500 orders / month | $500 | $186 | $175 |
| 5,000 orders / month | $2000 | $494 | $540 |
| 20,000 orders / month | $5000 | $1401 | $1390 |
Sources: TrackBee pricing, Littledata pricing. Prices last verified August 13, 2026.
| Destination | Retention.com | TrackBee | Littledata |
|---|---|---|---|
| Klaviyo | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| TikTok | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| Google Ads | ✔️ | ✔️ | |
| Microsoft Ads | ✔️ | ✔️ | |
| Snap | ✔️ | ||
| Segment | ✔️ | ||
| Attentive | ✔️ |
Retention.com focuses solely on Klaviyo, making it a specialized email/SMS retargeting tool rather than a true multi-channel tracking solution.
TrackBee covers core paid media + analytics + Klaviyo, ideal if your priority is ad platform signal recovery across Meta, Google, TikTok, Pinterest, and Snap.
Littledata offers the broadest ecosystem, adding Segment (enabling 300+ downstream integrations) and Attentive alongside similar ad/analytics destinations — making it the strongest choice if you need a flexible data infrastructure beyond just ad recovery.
Bottom line: Retention.com = email-focused. TrackBee = paid media-first. Littledata = most extensible stack for brands wanting centralized data routing.
Retention.com vs TrackBee's solution for Klaviyo
| Feature | Retention.com | TrackBee | Littledata |
|---|---|---|---|
| Identity resolution | |||
| Uses other marketing channel cookies to boost identity | ✔️ | ✔️ | |
| Never adds emails to your list without consent | ✔️ | ||
| Backstitches Klaviyo profile onto previous customer events | ✔️ | ||
| Klaviyo Preferred Partner | ✔️ | ||
| Viewed Product trigger | |||
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Tracked server-side | ✔️ | ✔️ | |
| Uses other marketing channel cookies to boost identity | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Added to Cart trigger | |||
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Unreliable tracking of button clicks | ✔️ | ||
| Direct from Shopify servers | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Target the whole contents of the cart | ✔️ | ||
| Checkout Started trigger | |||
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Tracked via the checkout page | ✔️ | ||
| Direct from Shopify servers | ✔️ | ||

Keep comparing
See how these tools stack up against other Shopify tracking and analytics solutions.
How we compiled this comparison: pricing and feature data comes from each vendor's public pricing page, Shopify App Store listings, and BuiltWith usage data, reviewed by the Littledata team. Last verified August 13, 2026. Spotted something out of date? Let us know.