Aimerce vs Retention.com

Aimerce is better for Shopify brands: cheaper, no-code, direct server-side data, founder-led.

Aimerce logo

What is Aimerce?

Aimerce claims to be the easiest way to capture more high-quality customer data

Retention.com logo

What is Retention.com?

Retention.com's identity resolution software helps Shopify merchants recover lost shoppers and increase Klaviyo flow revenue.

Aimerce vs Retention.com comparison

FeatureAimerceRetention.comLittledata
Identity resolution to boost audiences✔️✔️✔️
Customer data to marketing platforms✔️✔️✔️
Fully automatic, no code setup✔️minus✔️
Founder owned and led✔️minus✔️
Direct from Shopify's servers✔️minus✔️
Works with platforms other than Shopifyminus✔️minus
30 day free trialminusminus✔️
Natively supports Shopify Marketsminusminus✔️
Automatic tracking of checkout stepsminusminus✔️
Built For Shopifyminusminus✔️

Neither Aimerce nor Retention.com is Littledata, so here's where Littledata wins:

Littledata vs. Aimerce: Both offer server-side Shopify data and no-code setup, but Littledata adds a 30-day free trial, native Shopify Markets support, and automatic checkout step tracking — giving deeper funnel visibility Aimerce doesn't explicitly offer.

Littledata vs. Retention.com: Retention.com lacks server-side Shopify data collection, meaning it relies on browser-based tracking — missing events the browser doesn't see and limiting customer data enrichment. Littledata's direct Shopify server connection captures a more complete customer journey. Retention.com also doesn't offer no-code setup or native Shopify Markets support.

Key Littledata advantage over both: Server-direct data collection ensures no gaps in tracking (unlike browser/GTM-dependent tools), plus the 30-day free trial lowers commitment risk — a strong differentiator for a Shopify Plus brand prioritizing data completeness.

Reviews comparison

Aimerce vs Retention.com's customer reviews

AimerceRetention.comLittledata
Example product review"Aimerce has been a total game-changer for our ad campaigns. The setup was incredibly easy, and we saw immediate improvements in both ad performance and event tracking accuracy.""We were having difficulties with accurate and consistent revenue attribution...With Littledata implemented, we now get consistent and accurate revenue attribution."
Example support review"Aimerce's customer service is non-existent... no response to inquiries, leaving us frustrated and unsupported.""Unfortunately, the team... very high employee turnover; it can be really frustrating to have to re-explain things to new reps.""Customer support is absolutely amazing... you can never go wrong when an app does what it says and tacks on great service!"
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Cost comparison

Aimerce vs Retention.com's monthly subscription cost

Store sizeAimerceRetention.comLittledata
50 orders / month$299$500$39
500 orders / month$299$500$175
5,000 orders / month$499$2000$540
20,000 orders / month$1799$5000$1390

Sources: Aimerce pricing, Littledata pricing. Prices last verified July 22, 2026.

Supported data destinations

DestinationAimerceRetention.comLittledata
Klaviyo✔️✔️✔️
Meta Ads✔️minus✔️
Google Ads✔️minus✔️
Google Analyticsminusminus✔️
TikTokminusminus✔️
Pinterestminusminus✔️
Segmentminusminus✔️
Attentiveminusminus✔️
Microsoft Adsminusminus✔️

Aimerce focuses on ad platform activation + Klaviyo — useful for paid media optimization and email.

Retention.com is narrowly focused on Klaviyo only, positioning itself purely as an identity resolution/email revenue tool rather than a broad tracking solution.

Littledata offers the widest destination coverage — spanning analytics (GA4), major paid channels, affiliate/social platforms, CDPs (Segment), and SMS (Attentive) — making it the most versatile for a full-stack data infrastructure.

Key takeaway: If your priority is multi-channel ad tracking + analytics, Littledata wins on breadth. If you're laser-focused on Klaviyo revenue attribution, Retention.com is specialized. Aimerce sits in the middle, balancing paid media and email.

Klaviyo comparison

Aimerce vs Retention.com's solution for Klaviyo

FeatureAimerceRetention.comLittledata
Identity resolution
Uses other marketing channel cookies to boost identity✔️minus✔️
Klaviyo Preferred Partner✔️minus✔️
Never adds emails to your list without consentminusminus✔️
Backstitches Klaviyo profile onto previous customer eventsminusminus✔️
Viewed Product trigger
Backwards compatible with Klaviyo templatesminus✔️✔️
Tracked server-sideminusminus✔️
Enriched product info (e.g. category)minusminus✔️
Added to Cart trigger
Unreliable tracking of button clicks✔️✔️minus
Backwards compatible with Klaviyo templatesminus✔️✔️
Direct from Shopify serversminusminus✔️
Enriched product info (e.g. category)minusminus✔️
Target the whole contents of the cartminusminus✔️
Checkout Started trigger
Direct from Shopify servers✔️minus✔️
Backwards compatible with Klaviyo templatesminus✔️✔️
Tracked via the checkout pageminus✔️minus

How Littledata tracks Klaviyo for Shopify →

Benefits of Littledata

Littledata has been trusted by leading Shopify brands since 2017 for reliable server-side tracking.
100% of revenue tracked
Enhanced identity resolution
Connectors for all popular marketing channels
Learn more
Benefits of Littledata

Comparing Aimerce against Retention.com

How we compiled this comparison: pricing and feature data comes from each vendor's public pricing page, Shopify App Store listings, and BuiltWith usage data, reviewed by the Littledata team. Last verified October 3, 2026. Spotted something out of date? Let us know.