Addingwell is a fully-managed GTM server-side hosting + tooling (monitoring, adblocker bypass, Safari resilience) to improve data quality, performance and governance.

Popsixle fixes the data you're sending to Facebook and Instagram so it knows who your best customers are. Scale your revenue with better audiences and conversion tracking.
| Feature | Addingwell | Popsixle | Littledata |
|---|---|---|---|
| Works with platforms other than Shopify | ✔️ | ✔️ | |
| Direct from Shopify's servers | ✔️ | ✔️ | |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| Customer data to marketing platforms | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Via server-side Google Tag Manager | ✔️ | ||
| 30 day free trial | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ |
Addingwell offers server-side Google Tag Manager hosting, enhancing data quality and performance across various platforms. Popsixle, directly integrated with Shopify, focuses on identity resolution and optimizing data for Facebook and Instagram. While both enhance data tracking, Littledata stands out with its 30-day free trial, fully automatic no-code setup, and automatic tracking of checkout steps, making it easier for users to implement and manage. Littledata's comprehensive features provide a more user-friendly experience compared to the more technical setups of Addingwell and Popsixle.
| Addingwell | Popsixle | Littledata | |
|---|---|---|---|
| Example product review | Setup took just a few seconds, and it works right away. All my pixels from GTM are now server-side and perfectly connected. So much money saved on ads. | "I was having issues with Facebook claiming purchases from our existing customers...Popsixle comes in to show how many actual new customers were purchasing on our website and then feed that info back to Facebook." | "We were having difficulties with accurate and consistent revenue attribution...With Littledata implemented, we now get consistent and accurate revenue attribution." |
| Example support review | The support was very fast to answer our questions and super helpful. Just be careful to check that the events don't trigger twice. | "Popsixle's support is non-existent... I reached out multiple times with no response." | "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 | Addingwell | Popsixle | Littledata |
|---|---|---|---|
| 50 orders / month | $90 | $95 | $39 |
| 500 orders / month | $90 | $135 | $199 |
| 5,000 orders / month | $130 | $585 | $449 |
| 20,000 orders / month | $400 | $1095 | $1390 |
For 50 orders, Addingwell is 5.26% cheaper than Popsixle and 56.67% more expensive than Littledata. At 500 orders, Addingwell and Popsixle are equal, while Littledata is 65.56% more expensive. For 5000 orders, Addingwell is 77.78% cheaper than Popsixle and 62.64% cheaper than Littledata. At 20000 orders, Addingwell is 63.51% cheaper than Popsixle and 50.06% cheaper than Littledata. Overall, Addingwell consistently offers lower prices compared to the other two services across all order volumes.
| Destination | Addingwell | Popsixle | Littledata |
|---|---|---|---|
| Meta Ads | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| TikTok | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| Snap | ✔️ | ||
| Klaviyo | ✔️ | ||
| Segment | ✔️ | ||
| Attentive | ✔️ |
Addingwell offers a broader range of data destinations, including Google Analytics, Meta Ads, TikTok, Google Ads, Pinterest, and Snap, providing extensive tracking options across multiple platforms. Popsixle focuses primarily on Meta Ads, limiting its tracking capabilities to that platform. In contrast, Littledata supports a diverse set of destinations, including Google Analytics, Meta Ads, TikTok, Pinterest, Klaviyo, Google Ads, Segment, and Attentive, allowing for comprehensive tracking and integration across various marketing channels. This variety enables more robust data collection and analysis for eCommerce managers.
| Feature | Addingwell | Popsixle | Littledata |
|---|---|---|---|
| Key benefits | |||
| 100% accurate revenue in Meta | ✔️ | ✔️ | |
| Boost to Event Match Quality Score | ✔️ | ✔️ | |
| Pre-purchase audiences based on first-party data | ✔️ | ✔️ | |
| Fully automatic setup | ✔️ | ✔️ | |
| Target subscriptions vs one-time purchases | ✔️ | ||
| AddToCart | |||
| Via Conversions API | ✔️ | ✔️ | |
| InitiateCheckout | |||
| Via Conversions API | ✔️ | ✔️ | |
| Includes all checkout steps | ✔️ | ✔️ | |
| Purchase | |||
| Via Conversions API | ✔️ | ✔️ | ✔️ |
| Includes recurring orders | ✔️ | ✔️ | |
| Filters to exclude orders from some channels | ✔️ | ✔️ | |
| Includes post-purchase upsells | ✔️ | ||
| New vs Returning customer conversions | ✔️ | ||
