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

Say goodbye to siloed and inaccurate data that is slowing you down. Centralize your analytics, sales and marketing platform data, enabling faster, data-driven decisions.
| Feature | Addingwell | Upstack Data | Littledata |
|---|---|---|---|
| Server-side tracking | ✔️ | ✔️ | ✔️ |
| 30 day free trial | ✔️ | ✔️ | |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Fully automatic, no code setup | ✔️ | ✔️ | |
| Customer data to marketing platforms | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ||
| Marketing reporting | ✔️ | ||
| Proprietary attribution model | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ | ||
| No-code setup for Shopify Hydrogen | ✔️ |
Addingwell focuses on server-side tracking and offers tools for monitoring and adblocker bypass, enhancing data quality and performance across various platforms. Upstack Data emphasizes marketing reporting and a proprietary attribution model, centralizing analytics for faster decisions. Littledata stands out with its automatic tracking of checkout steps, alongside features like identity resolution and a fully automatic setup. While Addingwell excels in data governance, and Upstack in attribution, Littledata combines these strengths with unique checkout tracking, making it a comprehensive solution for eCommerce managers seeking detailed insights and streamlined data collection.
| Addingwell | Upstack Data | 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. | "After testing a number of platforms...absolutely no regrets. Michael has a truly deep technical knowledge...Event Quality Match scores in meta increase, adding reliable NC purchase, NC CPA and NC ROAS metrics in ad manager is massively helpful as we're very focused on optimizing for NC..." | "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. | "Support is second to none... any issues we've had Michael has arranged a call immediately to diagnose the issue." | "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 | Upstack Data | Littledata |
|---|---|---|---|
| 50 orders / month | $90 | $299 | $39 |
| 500 orders / month | $90 | $299 | $199 |
| 5,000 orders / month | $130 | $599 | $449 |
| 20,000 orders / month | $400 | $999 | $1390 |
For 50 orders per month, Upstack Data is 233% more expensive than Addingwell and 666% more than Littledata. At 500 orders, Addingwell and Upstack Data are equal, while Littledata is 66% more expensive than Addingwell. For 5000 orders, Upstack Data is 360% more than Addingwell and 71% more than Littledata. At 20000 orders, Upstack Data is 150% more than Addingwell and 25% more than Littledata, while Littledata is 99% more than Addingwell.
| Destination | Addingwell | Upstack Data | Littledata |
|---|---|---|---|
| Meta Ads | ✔️ | ✔️ | ✔️ |
| TikTok | ✔️ | ✔️ | ✔️ |
| Google Ads | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| Klaviyo | ✔️ | ✔️ | |
| Snap | ✔️ | ||
| Segment | ✔️ | ||
| Attentive | ✔️ |
Addingwell focuses on a broader range of data destinations, including Pinterest and Snap, which may enhance social media tracking. Upstack Data offers a more streamlined selection, emphasizing Meta Ads, TikTok, and Klaviyo, which may benefit email marketing integration. Littledata provides a comprehensive suite, covering Google Analytics, multiple ad platforms, and Segment, allowing for extensive data analysis and integration capabilities. The main difference lies in the variety and focus of destinations, impacting the depth of tracking and marketing strategies available to your Shopify Plus store.
| Feature | Addingwell | Upstack Data | Littledata |
|---|---|---|---|
| Google Ads Conversions | |||
| Real-time tracking of Enhanced Conversions | ✔️ | ✔️ | |
| Fully automatic setup | ✔️ | ✔️ | |
| Unreliable tracking via thank you page | ✔️ | ||
| Tracked direct from Shopify's servers | ✔️ | ||
| New vs Returning customer conversions | ✔️ | ||
| Feature | Addingwell | Upstack Data | Littledata |
|---|---|---|---|
| Key benefits | |||
| 100% accurate revenue in Meta | ✔️ | ✔️ | ✔️ |
| Boost to Event Match Quality Score | ✔️ | ✔️ | |
| Pre-purchase audiences based on first-party data | ✔️ | ||
| Target subscriptions vs one-time purchases | ✔️ | ||
| Fully automatic setup | ✔️ | ||
| AddToCart | |||
| Via Conversions API | ✔️ | ||
| InitiateCheckout | |||
| Via Conversions API | ✔️ | ||
| Includes all checkout steps | ✔️ | ||
| Purchase | |||
| Via Conversions API | ✔️ | ✔️ | ✔️ |
| Includes post-purchase upsells | ✔️ | ||
| Includes recurring orders | ✔️ | ||
| Filters to exclude orders from some channels | ✔️ | ||
| New vs Returning customer conversions | ✔️ | ||
