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Technology · head to head

Amplitude vs MongoDB Atlas

Amplitude logo

Amplitude

Technology

The digital analytics platform to understand your users

From
Free
Rated
-
Full reviewWebsite
M

MongoDB Atlas

Technology

The multi-cloud developer data platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Amplitude has a free tier, so it costs nothing to try first.
  • 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; MongoDB Atlas free M0 tier is capped at 512 MB of storage per mongodb.com/pricing (Aug 2026); backup storage is not available at all on the Free tier

Where they differ

Only the attributes on which Amplitude and MongoDB Atlas actually diverge.

Attributes where Amplitude and MongoDB Atlas differ
AttributeAmplitudeMongoDB Atlas
Starting priceFreeOn request
Pricing modelUnknownusage-based
Free tierYesNo
PlatformsWeb, Ios, Android, ApiWeb
Founded2012Unknown

Identical on both: user rating (Not yet rated), category (Technology).

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 MongoDB Atlas

Nothing recorded that Amplitude does not also cover.

What people use each for

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

Amplitude

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

MongoDB Atlas

No use cases recorded yet. See the MongoDB Atlas review.

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

MongoDB Atlas

  • Free M0 tier is capped at 512 MB of storage per mongodb.com/pricing (Aug 2026); backup storage is not available at all on the Free tier
  • Atlas Search and Vector Search are billed separately from the base cluster, from $0.12 up to $4.22 per hour per tier, per mongodb.com/pricing

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

MongoDB Atlas

On request

No published plan breakdown. See the MongoDB Atlas review.

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 MongoDB Atlas if

Nothing in the data separates MongoDB Atlas from Amplitude on the points above - pick on price and on how each one feels to use.

MongoDB Atlas review

Questions people ask

Is Amplitude or MongoDB Atlas better?
Neither clearly leads. Amplitude starts at Free and MongoDB Atlas at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Amplitude or MongoDB Atlas?
Amplitude has a free tier; the other does not. Paid plans start at Free for Amplitude and On request for MongoDB Atlas.
Does Amplitude or MongoDB Atlas run on more platforms?
Amplitude runs on Web, Ios, Android, Api. MongoDB Atlas runs on Web.
Can I use Amplitude for free?
Yes. Amplitude has a free tier, so you can try it without paying. MongoDB Atlas starts at On request.
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 MongoDB Atlas is typically brought in for.
What can Amplitude do that MongoDB Atlas cannot?
Amplitude covers Event tracking, User segmentation, Funnel analysis, Retention analysis.

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
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
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
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