Wetracked and Aimerce are highly similar — both offer identity resolution, server-side data forwarding, no-code setup, and are founder-led. Their key differentiators are messaging: Wetracked emphasizes 100% accurate ad data, while Aimerce focuses on capturing high-quality customer data more easily.

Where Littledata wins over both:

• 30-day free trial — neither competitor prominently offers this, lowering the barrier to test
• Natively supports Shopify Markets — critical for international/multi-currency Shopify Plus brands; neither Wetracked nor Aimerce lists this
• Automatic checkout step tracking — granular funnel visibility out of the box, not highlighted by either alternative

Both competitors pull direct from Shopify's servers like Littledata, so data completeness is comparable across all three. However, Littledata's Shopify Markets support and checkout tracking make it the stronger fit for a scaling Shopify Plus operation needing deeper, commerce-specific analytics beyond ad attribution.

For 50 orders, Wetracked is 83% cheaper than Aimerce and 20% more expensive than Littledata. At 500 orders, all three services cost the same. For 5,000 orders, Wetracked is 50% cheaper than Aimerce and 29% cheaper than Littledata. At 20,000 orders, Wetracked is 63% cheaper than Aimerce and 16% cheaper than Littledata. Overall, Wetracked offers significant savings at lower order volumes, while Aimerce's pricing remains consistent across higher volumes.

Wetracked covers 6 destinations including mid-tier social platforms (Snap, Pinterest, TikTok), making it strong for diversified paid social strategies.

Aimerce has the most limited coverage (3 destinations), focusing solely on core ad platforms and Klaviyo — suitable for brands running lean channel mixes.

Littledata offers the broadest coverage (9 destinations), uniquely adding analytics/CDP tools (Google Analytics, Segment) and retention channels (Attentive, Microsoft Ads), making it ideal if you need a full-funnel data infrastructure beyond just ad platforms.

Key takeaway: Choose Littledata for breadth and analytics depth, Wetracked for solid social channel coverage, or Aimerce if you only need the essentials.

Littledata is the strongest choice. Unlike Wetracked, it backstitches Klaviyo profiles onto historical events and never pollutes your list with non-email profiles. Against Aimerce, while both use cross-channel cookies for identity, Aimerce lacks backstitching and the safeguard against adding non-email contacts.

Wetracked is the weakest option — without server-side Shopify data or backstitching, you'll face significant Klaviyo noise from emailless profiles, manual checkout event tagging, and Product Viewed capturing under 50% of identified customers.

Aimerce's server-side connection is a genuine advantage over Wetracked, but Littledata's combination of clean list management, cross-channel identity boosting, and historical profile backstitching makes it the most complete solution for a Shopify Plus CRM stack.