
Blotout restores your marketing signals in the post-cookie world. Your returning customers are showing up as anonymous and Blotout aims to identify them.

Wunderkind is a global performance marketing solution powered by AI, data, and identity that helps brands acquire and retain customers via owned channels at unprecedented scale.
| Feature | Blotout | Wunderkind | Littledata |
|---|---|---|---|
| Identity resolution to boost audiences | ✔️ | ✔️ | ✔️ |
| Customer data to marketing platforms | ✔️ | ✔️ | ✔️ |
| Direct from Shopify's servers | ✔️ | ✔️ | |
| Works with platforms other than Shopify | ✔️ | ✔️ | |
| Founder owned and led | ✔️ | ✔️ | |
| 30 day free trial | ✔️ | ||
| Fully automatic, no code setup | ✔️ | ||
| Natively supports Shopify Markets | ✔️ | ||
| Automatic tracking of checkout steps | ✔️ |
Blotout focuses on restoring marketing signals in a post-cookie world, emphasizing identity resolution and direct integration with Shopify's servers. Wunderkind leverages AI for performance marketing across various platforms, also offering identity resolution but lacks Shopify-specific server integration. Littledata stands out with a 30-day free trial, fully automatic no-code setup, and server-side tracking, providing a more user-friendly experience. Additionally, Littledata's automatic tracking of checkout steps enhances data collection efficiency, giving it an edge over both Blotout and Wunderkind in ease of use and comprehensive tracking capabilities.
| Blotout | Wunderkind | Littledata | |
|---|---|---|---|
| Example product review | "After using Blotout for a couple months, we decided to drop them... Blotout was taking credit for a lot of Klaviyo pixel events that would’ve happened anyway... Event match quality in Facebook was marginally better, but I don’t think it warrants the cost or complexity." | "I don't feel like the service or partnership is as professional or helpful as it could be...just serving as a base-level for our trigger and SMS programs." | "We were having difficulties with accurate and consistent revenue attribution...With Littledata implemented, we now get consistent and accurate revenue attribution." |
| Example support review | "It took weeks to get a reply regarding a refund... it seems they grew too fast to keep up with customer service." | "Wunderkind has been receptive to this feedback... it's disappointing that this has been an ongoing 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 | Blotout | Wunderkind | Littledata |
|---|---|---|---|
| 50 orders / month | $79 | $ | $39 |
| 500 orders / month | $400 | $ | $199 |
| 5,000 orders / month | $1980 | $ | $449 |
| 20,000 orders / month | $5000 | $ | $1390 |
| Destination | Blotout | Wunderkind | Littledata |
|---|---|---|---|
| Klaviyo | ✔️ | ✔️ | ✔️ |
| Attentive | ✔️ | ✔️ | ✔️ |
| Google Analytics | ✔️ | ✔️ | |
| Meta Ads | ✔️ | ✔️ | |
| Google Ads | ✔️ | ✔️ | |
| TikTok | ✔️ | ||
| ✔️ | |||
| Segment | ✔️ |
Blotout offers a broader range of data destinations, including Google Analytics, Meta Ads, Klaviyo, Google Ads, and Attentive, allowing for extensive tracking across multiple platforms. Wunderkind focuses on Klaviyo and Attentive, emphasizing email and SMS marketing integration. Littledata also provides a wide array of destinations, including Google Analytics, Meta Ads, TikTok, Pinterest, Klaviyo, Google Ads, Segment, and Attentive, catering to diverse marketing channels. The main difference lies in the variety of platforms supported, with Blotout and Littledata offering more comprehensive options compared to Wunderkind's narrower focus.
| Feature | Blotout | Wunderkind | Littledata |
|---|---|---|---|
| Identity resolution | |||
| Never adds new emails to your marketing list | ✔️ | ✔️ | |
| Uses other marketing channel cookies to boost identity | ✔️ | ✔️ | |
| Docs on how an end-user can opt out for GDPR / CCPA | ✔️ | ||
| Backstitches Klaviyo profile onto previous customer events | ✔️ | ||
| Viewed Product trigger | |||
| Tracked client-side | ✔️ | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Tracked server-side | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Added to Cart trigger | |||
| Unreliable tracking of button clicks | ✔️ | ✔️ | |
| Backwards compatible with Klaviyo templates | ✔️ | ✔️ | |
| Reliable via Shopify's servers | ✔️ | ||
| Enriched product info (e.g. category) | ✔️ | ||
| Target the whole contents of the cart | ✔️ | ||
| Checkout Started trigger | |||
| Tracked via the checkout page | ✔️ | ||
| Direct from Shopify's servers | ✔️ | ||
| Backwards compatible with Klaviyo templates | ✔️ | ||
Littledata offers a comprehensive solution for tracking customers from Shopify to Klaviyo, particularly with its GDPR/CCPA compliance documentation, ensuring users can opt out easily. Unlike Blotout, which only prevents new emails from being added, Littledata enhances customer profiles by backstitching previous events, providing a richer data context. Compared to Wunderkind, which also uses cookies for identity, Littledata's approach integrates multiple marketing channels while maintaining a focus on compliance and user privacy. This makes Littledata a more robust choice for managing customer data effectively and ethically in Klaviyo.
