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Apex vs Eppo
Eppo helps you run rigorous experiments on warehouse metrics, manage feature flags, and measure product, lifecycle, and marketing incrementality as Datadog Experiments. Apex connects how customers found you, what changed their behavior, and how much value they created, so you can acquire more customers like them and invest in the changes that work.
No credit card to start.Facts about Eppo checked 2026-09-22. Source: Eppo, Now Datadog Experiments, Eppo Experimentation, Eppo Feature Flagging, Eppo Warehouse-native Experimentation, Eppo Lifecycle Marketing, Eppo Geolift, Eppo Get Access
Apex vs Eppo: warehouse-native experimentation and feature management
Eppo starts with warehouse metrics and experiment analysis; it doesn't provide Apex's customer trail across events, communications, acquisition, and profit. Apex builds that trail across customer behavior, revenue, supplied costs, returns, communications, attribution, and partner activity without requiring a warehouse model first.
Experiment
Eppo's analysis spans product and lifecycle experiments, but intervention delivery stays split between its flags and external messaging systems. Apex runs separate web, app, email, push, and in-app experiments while tying every intervention to a declared revenue outcome.
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Start the experiment
Half get the first. Half get the second.
Apex tracks the winner
Counts who buys. +$174,650 a month.
Try it in Apex!
To: me

Keep the evidence
Eppo's Knowledge Base stores experiment outcomes; it doesn't update a connected, confidence-scored graph of organizational beliefs. Apex updates the workspace Belief Graph with each outcome and its evidence, so future decisions inherit what the organization has proved.
Belief graph · live
Act
Eppo's flags ship product variants, while its lifecycle page tells teams to keep sending through existing messaging tools. Apex moves the better path into native email, push, in-app inbox, or an Adaptive Journey without returning to a separate sender.
Acquire
Eppo Geolift measures aggregate incrementality; its published acquisition product doesn't provide paid mobile attribution, conversion feedback, or partner payouts. Apex attributes paid mobile conversions, sends better conversion signals back to ad networks, and tracks partner contracts and payouts against customer value.
Connect ad platforms
Connect Meta, Google, LinkedIn, Microsoft, TikTok, and Reddit.


Try it in Apex!
Facebook & Instagram campaign spend and performance

Campaign spend, impressions, clicks, and conversions

Campaign spend, impressions, clicks, and conversions
Campaign spend, impressions, clicks, and conversions
Campaign performance plus conversions and audiences
Campaign performance plus outbound conversions

Compound
Eppo compounds experiment analysis through shared metrics and a Knowledge Base, while acquisition and communication operations remain outside the platform. Apex connects acquisition, behavior, experiments, communications, revenue, profit, and evidence, so each outcome can improve the next decision across the business.
The loop
Pricing
Eppo publishes no self-serve price and routes buyers to a demo, so the current offer requires a custom quote. Apex publishes its usage meters, includes every capability without seat or feature gates, and lets each meter scale independently.
1.0M free every month, then $0.000050 per event. Web + server + organic mobile.
1.5K free every month, then $0.0500 per attribution. Paid-channel only. Organic activity counts as events.
1.0M free every month, then $0.000050 per orchestration. Assignments, journeys, branches, suppressions.
10K free every month, then $0.000600 per send. Email + push + in-app inbox.
50 free every month, then $0.0500 per generation. Subject lines, copy, recommendations.
100K free every month, then $0.000100 per conversion. Server-side conversions to Meta, Google, LinkedIn.
$2/active partner/mo (Stripe Connect at cost). Inactive partners are free.
Apex takes 1.5% + $0.50 per payout.
Questions
What Apex replaces, what it doesn't, and what moving actually takes.
If Eppo mainly measures product and lifecycle experiments, Apex can replace that decision layer while running communications and acquisition operations too. Apex doesn't reproduce every advanced statistical method.
Apex doesn't replace Eppo's zero-copy warehouse analysis, CUPED++, broad statistical frameworks, contextual bandits, or market-level Geolift testing.
Retain existing experiment history and warehouse data. Dual-run active experiments, then move the surfaces that need native communications, attribution, partner operations, and evidence first.
No. The customer trail begins at the first measurable click, partner link, install, visit, sign-in, or purchase. Campaign-level impressions and spend stay aggregate until there is a measurable customer interaction.
No. Each surface runs its own experiment. They share the same customer history and definition of success, so the learning connects without pretending several experiments are one.
Apex is usage-based, with no base fee or seat fee. Monthly free allowances include 1,000,000 events, 1,500 paid-channel attributed conversions, 1,000,000 experiment orchestrations, 10,000 messages, 100,000 outbound activations, and 50 AI generations. Past the allowance, published usage rates apply, including $0.000050 per event and $0.000600 per message. Enterprise starts around $36,000 a year.
Your move
Eppo addresses warehouse-native experimentation and feature management. Apex connects the systems that acquire, engage, experiment, and learn, so your team can prove what grew revenue and put it to work.