Aimerce, Retention.com, and Littledata all offer identity resolution and customer data integration with marketing platforms, but they differ in specific features and focus. Aimerce emphasizes ease of use with a fully automatic, no-code setup, claiming to be the simplest solution for capturing high-quality customer data. Retention.com, while also providing identity resolution, focuses on recovering lost shoppers and enhancing Klaviyo flow revenue, making it particularly beneficial for Shopify merchants. Littledata offers a 30-day free trial and highlights privacy compliance, along with server-side tracking and automatic checkout tracking, which may appeal to those concerned with data privacy and comprehensive tracking capabilities. Overall, Aimerce is best for ease of setup, Retention.com for recovery and revenue, and Littledata for privacy and advanced tracking features.

For an online store with 50 orders, Aimerce is 40% cheaper than Retention.com and 88% more expensive than Littledata. At 500 orders, Aimerce and Retention.com are equal in price, while Littledata is 50% cheaper than both. With 5,000 orders, Aimerce is 75% less than Retention.com and 43% more than Littledata. Finally, at 20,000 orders, Aimerce is 64% cheaper than Retention.com and 125% more expensive than Littledata.

Aimerce focuses on integrating data with Klaviyo, Meta Ads, and Google Ads, primarily enhancing marketing automation and ad targeting. Retention.com also integrates with Klaviyo but emphasizes customer retention and re-engagement strategies.

Littledata offers a broader range of data destinations, including Google Analytics, Meta Ads, TikTok, Pinterest, and Segment, in addition to Klaviyo and Google Ads. This allows for more comprehensive analytics and marketing insights across various platforms, facilitating a more holistic view of customer behavior and campaign performance.