Fueled vs Retention.com
Fueled is cheaper, broader, founder-led; Retention.com specializes in email re-engagement only.

What is Fueled?
Fueled is a new tool for collecting and organizing 1st-party eCommerce customer data across the sales and marketing tools you love. Shopify, BigCommerce, Yotpo, Gorgias...We capture data from all of these channels, so that you can use it wherever and how ever you want.

What is Retention.com?
Retention.com's identity resolution software helps Shopify merchants recover lost shoppers and increase Klaviyo flow revenue.
Fueled vs Retention.com comparison
| Feature | Fueled | Retention.com | Littledata |
|---|---|---|---|
| Customer data to marketing platforms | ✔️ | ✔️ | ✔️ |
| Direct from Shopify's servers | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| 30 day free trial | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ | ||
| Built For Shopify | ✔️ |
Neither Fueled nor Retention.com is Littledata, so here's where Littledata wins:
Fueled vs Littledata: Fueled pulls data directly from Shopify's servers (a shared strength), but Littledata adds identity resolution, automatic no-code setup, native Shopify Markets support, and automatic checkout step tracking — plus a 30-day free trial.
Retention.com vs Littledata: Retention.com lacks server-side data collection, meaning it relies on browser-based tracking. This limits its ability to enrich events with customer data or capture events the browser doesn't see — a significant blind spot for a Shopify Plus brand. Littledata's direct Shopify server connection closes that gap entirely.
Littledata's edge over both: Fully automatic setup, native Shopify Markets support, complete checkout funnel tracking, and server-side data capture make it the more robust, hands-off solution — especially relevant at the Shopify Plus level where data accuracy directly impacts revenue.
Cost comparison
Fueled vs Retention.com's monthly subscription cost
| Store size | Fueled | Retention.com | Littledata |
|---|---|---|---|
| 50 orders / month | $189 | $500 | $18 |
| 500 orders / month | $349 | $500 | $175 |
| 5,000 orders / month | $879 | $2000 | $544 |
| 20,000 orders / month | $2000 | $5000 | $1290 |
Sources: Fueled pricing, Littledata pricing. Prices last verified October 22, 2026. Retention.com: Annual plans only.
Supported data destinations
| Destination | Fueled | Retention.com | Littledata |
|---|---|---|---|
| Google Analytics | ✔️ | ✔️ | |
| Segment | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| Klaviyo | ✔️ | ✔️ | |
| TikTok | ✔️ | ||
| ✔️ | |||
| Attentive | ✔️ | ||
| Microsoft Ads | ✔️ | ||
| ChatGPT Ads | Coming soon |
Fueled & Littledata focus on ad platform + analytics tracking — sending clean, server-side event data to paid media platforms (Meta, Google Ads, TikTok, etc.) and analytics tools to improve attribution, ROAS, and campaign optimization.
Retention.com focuses exclusively on identity resolution + email/SMS revenue recovery — its Klaviyo destination is designed to identify anonymous site visitors and trigger retention flows, not track ad performance.
Littledata has the broadest destination coverage, adding TikTok, Pinterest, Attentive, and Microsoft Ads that Fueled lacks.
Bottom line: Retention.com solves a different problem (list growth/recovery) than Fueled or Littledata (accurate conversion tracking). Littledata edges out Fueled on channel coverage.
Benefits of Littledata

Comparing Fueled against Retention.com
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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 October 30, 2026. Spotted something out of date? Let us know.