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Technology · head to head

Amplitude vs Brex

Amplitude logo

Amplitude

Technology

The digital analytics platform to understand your users

From
Free
Rated
-
Full reviewWebsite
Brex logo

Brex

Accounting

The financial stack for growing businesses

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Amplitude metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow; Brex the free Essentials tier is limited to two legal entities
  • They diverge on capability: Amplitude covers Event tracking, Brex covers Corporate cards.

Where they differ

Only the attributes on which Amplitude and Brex actually diverge.

Attributes where Amplitude and Brex differ
AttributeAmplitudeBrex
Pricing modelUnknownsubscription
PlatformsWeb, Ios, Android, ApiWeb, Ios, Android
CategoryTechnologyAccounting
Founded20122017

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Amplitude

  • Event tracking
  • User segmentation
  • Funnel analysis
  • Retention analysis
  • Cohort analysis
  • A/B testing
  • Revenue analytics
  • Predictive analytics

Only in Brex

  • Corporate cards
  • Business accounts
  • Expense management
  • Bill pay
  • Travel
  • QuickBooks
  • NetSuite
  • Xero

What people use each for

The jobs each tool is most often brought in to do.

Amplitude

  • User behavior analysisnot Brex
  • Feature adoption trackingnot Brex
  • Conversion rate optimizationnot Brex
  • Customer journey mappingnot Brex
  • Retention improvementnot Brex

Brex

  • Corporate cards with spend controls for startupsnot Amplitude
  • Expense management and reimbursementsnot Amplitude
  • Travel booking inside the spend platformnot Amplitude
  • Bill pay and accounting system syncnot Amplitude
  • Multi-entity spend management on the paid tiersnot Amplitude

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Amplitude

  • Metered on event volume, so instrumenting more of a product raises the bill even if the audience does not grow
  • The free plan covers 2M events a month
  • The Plus plan scales to 70M events, above which pricing is custom
  • Growth and Enterprise pricing is not published

Brex

  • The free Essentials tier is limited to two legal entities
  • Premium is $12 per user per month, so cost scales with headcount using the card
  • Enterprise and Smart Card pricing is not published
  • Eligibility criteria are not stated anywhere on the pricing page, which matters for a product that extends credit

Pricing, plan by plan

Amplitude

Free
  • StarterFree
    • 2 million events per month
  • Plus$49/month
    • $0.049 per MTU
    • Up to 300k MTUs
    • Advanced analytics
  • GrowthFree
    • Causal insights
    • Feature experimentation
    • Real-time streaming
  • EnterpriseFree
    • Cross-product analysis
    • Advanced permissions
    • Dedicated account manager

Brex

Free
  • EssentialsFree
    • Global card acceptance
    • Accounting integrations
    • Real-time reporting
  • Premium$12/month
    • per user
    • Custom expense policies
    • Dynamic approval chains
  • Enterprise$null/month
    • Custom pricing

Which should you pick?

Choose Amplitude if

  • You need event tracking.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want user segmentation.
Amplitude review

Choose Brex if

  • You need corporate cards.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want business accounts.
Brex review

Questions people ask

Is Amplitude or Brex better?
Neither clearly leads. Amplitude starts at Free and Brex at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amplitude or Brex?
Amplitude starts at Free and Brex at Free.
Does Amplitude or Brex run on more platforms?
Amplitude runs on Web, Ios, Android, Api. Brex runs on Web, Ios, Android.
Can I use Amplitude for free?
Both have a free tier, so you can try either at no cost before committing.
What is Amplitude best used for?
Amplitude is most often used for user behavior analysis, feature adoption tracking, conversion rate optimization, customer journey mapping. Of those, user behavior analysis and feature adoption tracking are not what Brex is typically brought in for.
What can Amplitude do that Brex cannot?
Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis. Brex covers Corporate cards, Business accounts, Expense management, Bill pay.

Answered from the vendors’ own pages

Amplitude: Does Amplitude have a free plan?

Yes, Amplitude offers a free Starter plan with 2 million events per month and access to the entire platform including analytics, session replay, and experimentation features.

Source
Brex: Does Brex have a free plan?

Yes. Brex Essentials is free for startups and growing companies and includes global card acceptance, AI-powered rules, accounting integrations, real-time reporting, and bill pay.

Source
Amplitude: What is Amplitude's pricing based on?

Amplitude's pricing is based on the number of monthly tracked users (MTUs), data volume, and advanced features selected. The Plus plan starts at $49 per month with a rate of $0.049 per MTU.

Source
Brex: What is Brex Premium pricing?

Brex Premium costs $12 per user per month and is designed for mid-sized companies. It adds custom expense policies, dynamic approval chains, AI compliance auditing, multi-entity support, and live budgets.

Source
Amplitude: What analytics features does every Amplitude plan include?

Every plan includes access to the full platform: analytics, session replay, feature experimentation, web experimentation, guides and surveys, activation, and AI tools like AI Feedback and AI Assistant.

Source
Brex: What countries accept Brex cards?

Brex cards are accepted in 210+ countries. The Smart Card plan offers local-currency cards in 50+ countries for companies focused on procurement simplification and international payments.

Source
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