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

Polar is a pre-built dashboard for commerce with out-of-the-box metrics and reports to ensure your team has the insights to get their jobs done.
| Feature | Addingwell | Polar Analytics | Littledata |
|---|---|---|---|
| Customer data to marketing platforms | ✔️ | ✔️ | |
| Identity resolution to boost audiences | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ||
| Via server-side Google Tag Manager | ✔️ | ||
| Marketing reporting | ✔️ | ||
| Proprietary attribution model | ✔️ | ||
| 30 day free trial | ✔️ | ||
| Direct from Shopify's servers | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ |
Addingwell focuses on server-side Google Tag Manager hosting and tooling for data quality and performance, suitable for various platforms. Polar Analytics offers marketing reporting and a proprietary attribution model with pre-built dashboards for insights. Littledata stands out with its 30-day free trial, fully automatic no-code setup, and automatic tracking of checkout steps, providing a comprehensive solution for ecommerce tracking and data collection.
| Addingwell | Polar Analytics | 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. | "Negative points? None so far ... Getting started was incredibly easy ... integrates smoothly with all our tools and data sources." | "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. | "Polar's customer support is also next to none... they are well worth the price we pay." | "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 | Polar Analytics | Littledata |
|---|---|---|---|
| 50 orders / month | $90 | $400 | $39 |
| 500 orders / month | $90 | $720 | $199 |
| 5,000 orders / month | $130 | $1020 | $449 |
| 20,000 orders / month | $400 | $2770 | $1390 |
For 50 orders per month, Addingwell is 22.5% cheaper than Littledata, while Polar Analytics is 344% more expensive than Addingwell. At 500 orders, Addingwell and Polar Analytics are equal, but Littledata is 65.6% more expensive than Addingwell. For 5000 orders, Addingwell is 87.3% cheaper than Polar Analytics and 62.7% cheaper than Littledata. At 20000 orders, Addingwell is 86.5% cheaper than Polar Analytics and 50% cheaper than Littledata. Overall, Addingwell consistently offers the lowest pricing.
| Destination | Addingwell | Polar Analytics | Littledata |
|---|---|---|---|
| Meta Ads | ✔️ | ✔️ | ✔️ |
| TikTok | ✔️ | ✔️ | ✔️ |
| Google Ads | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| ✔️ | ✔️ | ||
| Klaviyo | ✔️ | ✔️ | |
| Snap | ✔️ | ||
| Segment | ✔️ | ||
| Attentive | ✔️ |
Addingwell offers a broader range of data destinations, including Pinterest and Snap, which may benefit brands looking to diversify their advertising channels. Polar Analytics focuses on key platforms like Klaviyo, emphasizing email marketing integration. Littledata provides a comprehensive suite, including Segment and Attentive, catering to both analytics and customer engagement needs. Overall, Addingwell is more extensive in advertising platforms, Polar Analytics emphasizes email marketing, and Littledata combines analytics with customer engagement tools.
| Feature | Addingwell | Polar Analytics | Littledata |
|---|---|---|---|
| Google Ads Conversions | |||
| Real-time tracking of Enhanced Conversions | ✔️ | ✔️ | |
| Unreliable tracking via thank you page | ✔️ | ||
| Tracked direct from Shopify's servers | ✔️ | ||
| Fully automatic setup | ✔️ | ||
| New vs Returning customer conversions | ✔️ | ||
| Feature | Addingwell | Polar Analytics | 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 | ✔️ | ||
