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

Stape is your all-in-one solution for server-side data tracking. Users choose Stape to boost data quality and marketing ROI while maintaining security compliance.
| Feature | Retention.com | Stape | Littledata |
|---|---|---|---|
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| Customer data to marketing platforms | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Via server-side Google Tag Manager | ✔️ | ||
| 30 day free trial | ✔️ | ||
| Direct from Shopify's servers | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ | ||
| Built For Shopify | ✔️ |
Retention.com focuses narrowly on identity resolution for Shopify/Klaviyo email recovery — strong for abandoned visitor re-engagement but limited in broader data infrastructure.
Stape offers server-side tracking via Google Tag Manager across platforms, improving data quality and compliance — but GTM still relies on browser-side triggers, limiting visibility into server-native Shopify events.
Where Littledata wins over both: Neither competitor pulls data directly from Shopify's servers, which is a critical gap. This means they can't fully enrich events with customer data or capture checkout/server-side events the browser never sees.
Littledata wins by offering:
For a Shopify Plus brand prioritizing data completeness, Littledata is the stronger foundation.
Retention.com vs Stape's customer reviews
| Retention.com | Stape | Littledata | |
|---|---|---|---|
| Example product review | "Stape Server GTM is difficult to configure without technical expertise, and after multiple attempts, I was still unable to get it working." | "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." | "Although the app is free, I cannot recommend it based on my 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 Stape's monthly subscription cost
| Store size | Retention.com | Stape | Littledata |
|---|---|---|---|
| 50 orders / month | $500 | $40 | $39 |
| 500 orders / month | $500 | $40 | $175 |
| 5,000 orders / month | $2000 | $150 | $540 |
| 20,000 orders / month | $5000 | $400 | $1390 |
Sources: Stape pricing, Littledata pricing. Prices last verified July 22, 2026.
Compared at 5,000 orders a month. Assumes 20 hours of setup, spread over 12 months, plus 3 hours a month of maintenance, at $100/hour, for self-managed tools. Hosting or subscription is only a fraction of the true cost.
$2000
None, fully managed
None, fully managed
$2000
$150
+ $167
+ $300
$617
$540
None, fully managed
None, fully managed
$540
| Destination | Retention.com | Stape | Littledata |
|---|---|---|---|
| Klaviyo | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| TikTok | ✔️ | ✔️ | |
| Attentive | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| Microsoft Ads | ✔️ | ✔️ | |
| Segment | ✔️ |
Retention.com is narrowly focused — its server-side data flows exclusively into Klaviyo, making it an email/SMS retention tool rather than a true multi-channel tracking solution.
Stape and Littledata are both comprehensive server-side tracking platforms covering paid media, analytics, and CRM destinations. The key difference: Littledata natively includes Segment as a destination, making it stronger for teams with a composable data stack or warehouse-first architecture. Stape skips Segment but otherwise matches Littledata's destination coverage.
Bottom line: If you need broad ad platform tracking, all three overlap — but choose Littledata for Segment integration, Stape for flexibility without it, and Retention.com only if Klaviyo enrichment is your sole objective.
Retention.com vs Stape's solution for Klaviyo
| Feature | Retention.com | Stape | Littledata |
|---|---|---|---|
| Identity resolution | |||
| Pollutes Klaviyo with no-email profiles | ✔️ | ||
| 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 client-side | ✔️ | ||
| Tracked server-side | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Added to Cart trigger | |||
| Unreliable tracking of button clicks | ✔️ | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Direct from Shopify servers | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Target the whole contents of the cart | ✔️ | ||
| Checkout Started trigger | |||
| Tracked via the checkout page | ✔️ | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| 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 20, 2026. Spotted something out of date? Let us know.