Wunderkind vs Retention.com
Boost email revenue by up to 10x* without sacrificing deliverability
Wunderkind identifies 1B profiles annually vs Retention.com’s 250M total, and plugs directly into your ESP, CDP or SMS platform so you can drive more revenue without changing your tech stack.
- Identify 1 in 3 visitors to your website
- Drive 6x more revenue than Retention.com, on average
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Get StartedGet Started*Lift in triggered email performance for a Health & Wellness brand, previously with Retention
$5 billion in revenue generated for retail and eCommerce brands in 2025
Wunderkind has the highest identification rates on the market
Retention's smaller identity network relies on cookies and third-party data, limiting your ability to engage potential customers.
Wunderkind recognizes up to 10X more visitors that show real intent on your site, so you can engage more of your audience through personalized, behavior-triggered messages across email, text, and onsite. Send more targeted emails and drive substantial revenue growth. Wunderkind integrates anywhere you need with an API first framework, but can also natively trigger campaigns directly in your ESP, text platforms, onsite or other channel.
Identify 1 in 3 visitors
Through our vast Identity Network of 1 billion consumer profiles.
2 Trillion events tracked per year
Send more effective emails with deeper customer data.
Maintain email deliverability
Keep your sender score high. Only email visitors identified by first-party data.
3.1%
of total digital revenue from one-to-one email, measured last click
240%
lift in triggered abandonment email revenue vs. Retention.com
-70%
Decrease in triggered email revenue when powered by Retention.com
A luxury home & furniture brand migrated their triggered emails from Wunderkind to Retention.com to reduce costs.
After experiencing a considerable drop in abandonment email revenue, the brand returned to Wunderkind to reverse the decline.
Our identification advantage continues to scale email opt-ins and performance.
6 reasons retailers choose Wunderkind
1. Identity Network Size
Identify more visitors with purchasing intent and send emails that generate revenue.
Vs. Retention.com
Cookie-based and poor 3rd party data leads to emails bouncing or reported as spam.
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2. Future-proofing revenue
Since 2010, we’ve invested in building the highest identification rates on the market while staying compliant.
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Vs. Retention.com
Current and upcoming privacy laws put cookie-based technologies at risk.
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3. Choose between full-service and flexible integrations
Full-service and flexibile integrations. Run fully managed campaigns, or maintain full control, with Wunderkind powering the intelligence and decisioning.
Vs. Retention.com
Self-service only. Campaigns set up and driving performance are on you.
4. Global Coverage
Drive revenue in all your key markets — compliant with CAN-SPAM, CASL, and GDPR.
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Vs. Retention.com
Only works in the US — not compliant in Canada or Europe
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5. Superior deliverability
Adherence to opt-in practices results in lower spam rates and higher inbox placement.
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Vs. Retention.com
Emails users outside your lists, damaging your deliverability score.
6. Integrate with your tech stack
Wunderkind’s Build framework offers SDKs, APIs, and Signals to fit any workflow, whether you're fully managed or fully autonomous.
Vs. Retention.com
Offers plenty of integrations but mostly works with clients running on Shopify and Klaviyo.
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The Wunderkind
advantage
Whether you choose our fully managed service or embed behavior-based decisioning into your stack, Wunderkind is built to convert identity into revenue—on your terms.
From white-glove campaign execution to real-time behavioral decisioning via Build and Signals, Wunderkind gives you the tools to accelerate growth, without compromising control.
Retention vs Wunderkind
Wunderkind numbers speak for themselves
| Wunderkind | Retention.com | |
|---|---|---|
| Best for | Ambitious eCommerce brands That want to accelerate triggered email revenue | SMBs Looking to supplement their CRM data and send triggered campaigns |
| Identity Network | 1 Billion consumer profiles recognized 9 Billion Consumer devices 2 Trillion Events tracked per year | 250 million Total profiles |
| Identification sources | First party data 40% increase over leading ESPs (Klaviyo), through integrations & email capture that determines the best time to ask users to opt-in Second party data Largest identification network with the most persistent data Third party data Acquired from the largest 3rd party data provider | Mixed A combination of first-party data, cookies and purchased third-party data |
| Data expiration | Non-cookie reliant Data is most persistent | Cookie reliant Data expires with time |
| Anonymous user identification | 3-6x Higher than industry standards | - |
| Email list growth | 3-5x More emails added to your list | - |
| Spam rate | <.01% Average across all clients Only sends to opted-in contacts to your email list | 5% Sends to contacts not subscribed to your email list |
| Triggered email revenue | 6x higher than Retention.com, on average | - |
| Text and email list growth | 2-3x higher than Retention.com, on average | - |
| Campaign types | • Cart Abandonment • Product Abandonment • Category Abandonment • Price Drop • Back in Stock • Low in Stock | • Browse Abandonment • Cart Abandonment • Product Abandonment |
| Compliance | Global GDPR, CAN-SPAM, CPRA, CCPA, CASL and SOC2 compliant | US-only CAN-SPAM, CPRA, CPA and CDPA compliant |
| Integration flexibility | Full-service, self-service, or hybrid Integrate via SDKs, APIs, and Signals to power decisioning within your current ESP/SMS/CDP. | Self-serve Mostly Shopify/Klaviyo only |
| Data Ownership & Autonomy | Full Control Use your flows, templates, and reporting tools. We power the data and triggers—you own the execution. | Limited Campaigns run using third-party data. |
Wunderkind outperforms Retention.com email revenue by up to 10x
Compares US performance of abandonment triggered emails over one year to performance of comparable Wunderkind triggered emails (eg, cart and browse) after switching.
White glove migration from Retention
Whether you want to use Wunderkind in a fully managed, hybrid, or API-first mode, Wunderkind adapts to your team, tools, and goals. Tap into the power of Wunderkind—on your terms. Start with Signals to drive quick lift, or integrate via SDKs and APIs to make Wunderkind part of your stack. Let’s talk and determine which path is best for your strategy and martech stack.
Thank you!