Aimerce vs Retention.com

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

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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!"
LinkRead more reviewsRead more reviewsRead more reviews

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
Can I switch from Aimerce to Littledata?

Yes, join dozens of Shopify brands who made the switch to Littledata for simpler server-side tracking, faster setup, and transparent pricing. We’ll even help migrate your Aimerce setup.

Can I switch from Retention.com to Littledata?

Yes, join dozens of Shopify brands who made the switch to Littledata for simpler server-side tracking, faster setup, and transparent pricing. We’ll even help migrate your Retention.com setup.

How does Aimerce work?

Aimerce enriches your first-party data with server-side tracking immune to ad blockers, iOS upgrades and browser instabilities

Does Aimerce work with Shopify?

Yes, Aimerce is installed on 420 Shopify sites according to the latest stats from BuiltWith.

How does Retention.com work?

Retention Grow uses a large third-party list of email addresses to link anonymous sessions to emails given to a third party brand. This can grow your marketing audience, but at the expense of higher spam and privacy complaints.

Does Retention.com work with Shopify?

Yes, Retention.com is installed on 1,950 Shopify sites according to the latest stats from BuiltWith.

Is Aimerce suitable for Enterprise brands?

Aimerce is used by 315 sites in the top 100,000 globally - so this solution is likely suitable for Enterprise scale brands.

Is Retention.com suitable for Enterprise brands?

Retention.com is used by 1406 sites in the top 100,000 globally - so this solution is likely suitable for Enterprise scale brands.

Which marketing tools does Aimerce support?

Aimerce supports Klaviyo, Meta Ads and Google Ads.

Which marketing tools does Retention.com support?

Retention.com supports Klaviyo.

Who owns Aimerce?

Aimerce is an independent private company headquartered in San Fransisco. Yiqi Wu is Aimerce's CEO.

Who owns Retention.com?

Retention.com(formerly GetEmails) is an independent private company headquartered in Austin, Texas. Adam Robinson is Retention.com's CEO.

When is Aimerce a better choice than Littledata?

Aimerce is a better choice if you are a Klaviyo or email-driven brand that mainly wants to extend first-party cookie lifetime for email attribution, with a built-in AI analyst. Littledata is the better fit for teams who want turnkey, fully managed server-side tracking without building or maintaining tag infrastructure.

When is Retention.com a better choice than Littledata?

Retention.com is a better choice if your goal is de-anonymising website traffic into contactable emails to grow owned email and SMS remarketing. Littledata is the better fit for teams who want turnkey, fully managed server-side tracking without building or maintaining tag infrastructure.

How is Littledata's tracking different from Google Tag Manager?

Littledata sends purchase and behavioural data server-to-server, directly from Shopify's servers, so it does not depend on browser tags or a Google Tag Manager container you have to maintain. Tracking keeps working when Shopify changes the checkout, and events can be enriched with customer and order data the browser never sees. Tools built on server-side Google Tag Manager still rely on browser tags to collect events, and someone has to build and maintain the container.

Do I need an implementation agency to set up Littledata?

No. Littledata is turnkey: install the Shopify app and server-side tracking is live, with no code and no Google Tag Manager required. Self-managed server-side setups typically need 10 to 40 hours of specialist configuration up front, plus a few hours a month of ongoing maintenance, which is why a low sticker price often hides a much higher true cost.

How does Littledata handle event editing?

Littledata's Event Editor lets you customise and enrich the events sent to each destination without code, so you control exactly what data reaches Google Analytics, Meta, Klaviyo and your other marketing tools.

What is Littledata's Profit signal?

Littledata's Profit signal sends true profit, not just revenue, to your ad platforms, so Meta and Google can optimise campaigns towards the orders that actually make you money.

Does Littledata protect against bot traffic?

Yes. Littledata's bot protection filters automated traffic out of your tracking, so your analytics and ad audiences are built on real customers.

Does Littledata support Shopify Markets and headless stores?

Yes. Littledata supports unlimited Shopify Markets for cross-border stores and headless and Hydrogen storefronts.

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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 August 19, 2026. Spotted something out of date? Let us know.