
Retention.com's identity resolution software helps Shopify merchants recover lost shoppers and increase Klaviyo flow revenue.
Elevar ensures that 100% of your conversions are tracked and delivered to your marketing channels using Google Tag Manager and server-side tracking. Since the company was acquired by Buxton (now Audiense) the product has been merged into a wider analytics and segmentation tool.
Switching from Elevar? Get 50% off your first year with Littledata
| Feature | Retention.com | Elevar | Littledata |
|---|---|---|---|
| Identity resolution to boost audiences | ✔️ | ✔️ | ✔️ |
| Customer data to marketing platforms | ✔️ | ✔️ | ✔️ |
| Direct from Shopify's servers | ✔️ | ✔️ | |
| Natively supports Shopify Markets | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ||
| Via server-side Google Tag Manager | ✔️ | ||
| 30 day free trial | ✔️ | ||
| Founder owned and led | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ | ||
| Built For Shopify | ✔️ |
Retention.com vs Elevar
Retention.com focuses narrowly on identity resolution to recover anonymous shoppers and boost Klaviyo email flows — ideal if email revenue recovery is your primary goal. It works beyond Shopify, but lacks server-side tracking capabilities.
Elevar offers broader conversion tracking via server-side Google Tag Manager, feeding data to multiple marketing platforms with native Shopify Markets support. However, following its acquisition by Buxton/Audiense, it has shifted toward a wider analytics platform, which may dilute its ecommerce-specific focus. Notably, it still relies partly on Google Tag Manager's browser-side tags.
Where Littledata wins over both:
Neither Retention.com nor Elevar pulls data directly from Shopify's servers the way Littledata does. This matters because browser-side tracking misses server-confirmed events (e.g., post-checkout). Littledata also adds a 30-day free trial, fully automatic no-code setup, and automatic checkout step tracking — making it faster to deploy and more complete in data capture than either alternative.
Retention.com vs Elevar's customer reviews
| Retention.com | Elevar | Littledata | |
|---|---|---|---|
| Example product review | "They continue to charge you after uninstalling and cancelling your plan...made absolutely 0 impact to my tracking." | "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 support. I am now $700 in charges without even using the stupid thing because it made absolutely 0 impact." | "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 Elevar's monthly subscription cost
| Store size | Retention.com | Elevar | Littledata |
|---|---|---|---|
| 50 orders / month | $500 | $225 | $39 |
| 500 orders / month | $500 | $650 | $175 |
| 5,000 orders / month | $2000 | $650 | $540 |
| 20,000 orders / month | $5000 | $1250 | $1390 |
Sources: Elevar pricing, Littledata pricing. Prices last verified July 22, 2026.
| Destination | Retention.com | Elevar | Littledata |
|---|---|---|---|
| Klaviyo | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| TikTok | ✔️ | ✔️ | |
| Attentive | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| Microsoft Ads | ✔️ | ✔️ | |
| Segment | ✔️ |
Retention.com focuses solely on Klaviyo as its destination because its core product is identity resolution and abandoned visitor recovery — it's not a broad tracking platform.
Elevar and Littledata are both comprehensive server-side tracking solutions with nearly identical destination lineups. The key difference: Elevar includes Microsoft Ads natively and is heavily Shopify-native with a GTM-based data layer, while Littledata differentiates through native Segment integration, making it stronger for data warehouse/CDP workflows.
Bottom line: If you want GTM flexibility → Elevar. If you're Segment-first or need a CDP pipeline → Littledata. If you only need email/SMS identity resolution → Retention.com.
Retention.com vs Elevar's solution for Klaviyo
| Feature | Retention.com | Elevar | Littledata |
|---|---|---|---|
| Identity resolution | |||
| Never adds emails to your list without consent | ✔️ | ✔️ | |
| Uses other marketing channel cookies to boost identity | ✔️ | ||
| Backstitches Klaviyo profile onto previous customer events | ✔️ | ||
| Klaviyo Preferred Partner | ✔️ | ||
| Viewed Product trigger | |||
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | ✔️ |
| Tracked server-side | ✔️ | ✔️ | |
| Enriched product info (e.g. category) | ✔️ | ||
| Added to Cart trigger | |||
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | ✔️ |
| Direct from Shopify servers | ✔️ | ✔️ | |
| Enriched product info (e.g. category) | ✔️ | ✔️ | |
| Unreliable tracking of button clicks | ✔️ | ||
| 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 5, 2026. Spotted something out of date? Let us know.