Amplitude vs RudderStack
An independent, review-free comparison compiled by the SaaSTracker editorial team. Both products are profiled in full, and neither can pay for placement here.
The short answer
Editorial assessmentRudderStack compared with Amplitude
Same relationship as with Mixpanel: RudderStack feeds Amplitude rather than replacing it. The specific argument for pairing them is that Amplitude's monthly tracked user meter and your warehouse both need the same events, and instrumenting twice guarantees they will eventually disagree. RudderStack makes one governed stream serve both.
Choose Amplitude if
Product-led software companies who want analytics, session replay, feature flags, experiments, and in-app guides from one vendor on an event meter rather than per seat, and who expect to stay under 70 million events a month where the self-serve Plus plan applies and no sales call is required.
Choose RudderStack if
Companies sending the same event data to three or more tools, teams that already have or are building a data warehouse and want it to be the system of record, and any organisation that has been burned by re-instrumenting an application every time it changes analytics vendors.
Side by side
13 attributes| Attribute | Amplitude | RudderStack |
|---|---|---|
| Category | Product Analytics | Product Analytics |
| Starting price | $0 (Free, 2M events per month forever); Plus starts at $0 with the first 2M events free (free plan available) | $0 (Free, 250,000 events per month), then $265 per month (Growth, 1 million events) (free plan available) |
| Pricing model | Usage-based on events ingested per month across four plans. Free and Plus are self-serve with published limits, Growth and Enterprise are quoted, and add-ons on the upper tiers are priced as a percentage of the platform plan. | Freemium subscription metered on events processed per month, with unlimited team members and tiers differing on sync frequency, workspaces, reverse ETL connections, and enterprise capabilities. |
| Free plan | 2 million events per month forever with no credit card, including 10,000 monthly session replays and 500 active AI visibility prompts. Behavioural cohorts are not included on the free tier. | Free covers 250,000 events a month with 16 SDK sources, more than 200 cloud destinations, warehouse destinations, and 10 reverse ETL connections. |
| Free trial | No fixed trial; the permanent free plan is the evaluation path, and paid features can be trialled within it | 30 days on Growth |
| Best for | Product-led software companies who want analytics, session replay, feature flags, experiments, and in-app guides from one vendor on an event meter rather than per seat, and who expect to stay under 70 million events a month where the self-serve Plus plan applies and no sales call is required. | Companies sending the same event data to three or more tools, teams that already have or are building a data warehouse and want it to be the system of record, and any organisation that has been burned by re-instrumenting an application every time it changes analytics vendors. |
| Setup time | A working chart in under an hour with autocapture or a CDP connection. A properly instrumented, governed implementation across web and mobile is a two to four week project, longer than Mixpanel because there is more platform to configure and because tracking plans are worth doing properly from the start. | A day for a first pipeline: install an SDK, connect a warehouse destination, verify with live event inspection, add a cloud destination. A properly governed implementation with tracking plans, transformations, and consent handling is a multi-week project and should be planned as one. |
| Learning curve | Moderate. Chart building is approachable, but the platform rewards understanding behavioural cohorts, tracking plans, and how experiments read metrics, and none of that is obvious on day one. Expect a designated owner rather than assuming everyone will self-serve. | Moderate to steep depending on ambition. Sending events to a destination is easy. Designing an event schema that will still make sense in two years, writing transformations, and modelling identity in the warehouse are data engineering tasks that reward experience. The tracking plan feature exists precisely because most teams get this wrong the first time. |
| Platforms | Web (browser SDK with optional autocapture and a standalone replay SDK), iOS and Android native SDKs, React Native and Flutter, Server-side SDKs across major languages, HTTP ingestion API, Warehouse import and export | JavaScript and web, iOS and Android, React Native and Flutter, Node, Python, Java, Go, Ruby, PHP, and .NET, HTTP API, Snowflake, BigQuery, Redshift, Databricks, and Postgres, Self-hosted data plane |
| Compliance | SOC 2 Type II, ISO 27001, GDPR with a published DPA, CCPA, HIPAA available under enterprise arrangements | GDPR, CCPA, HIPAA (Enterprise tier), Confirm current SOC 2 scope with the vendor during procurement |
| Founded | 2012 | 2019 |
| Headquarters | San Francisco, California, United States | San Francisco, California, United States |
| Ownership | Public company, NASDAQ: AMPL | Venture-backed, privately held |
Strengths and limitations
Amplitude
Strengths
- The broadest self-serve platform in the category: analytics, session replay, feature flags, experiments, guides, surveys, and a CDP layer under one event meter.
- A permanent free plan of 2 million events a month including 10,000 session replays, and a self-serve Plus tier that stretches to 70 million events before any sales involvement.
- Behavioural cohorts are a first-class shared object rather than a per-report filter, so one definition drives charts, experiments, guides, and outbound audiences.
- Feature flags are included from the Plus tier rather than gated behind enterprise, which is unusually generous packaging.
Limitations
- Above 70 million events a month, pricing goes dark. Growth and Enterprise are quoted, and add-ons priced as a percentage of the platform plan make the cost curve steeper than it looks.
- Behavioural cohorts are excluded from the free plan and capped at 20 on Plus, which is a meaningful limit given that cohorts are the mechanism everything else depends on.
- The platform is large and there is more configuration surface than a small team needs; the tool is genuinely harder to learn than Mixpanel for a non-technical user.
- Hosted only. There is no open source edition and no self-hosted deployment, so teams with a hard requirement to keep behavioural data inside their own infrastructure are out.
RudderStack
Strengths
- Warehouse-first architecture means your event history lives in your own Snowflake, BigQuery, Redshift, Databricks, or Postgres from day one, so switching vendors costs configuration rather than data.
- Warehouse destinations are included on the free tier, which is unusual and makes the free plan a real pipeline rather than a sampler.
- Instrument once, route to more than 200 destinations, which turns changing analytics vendors from an engineering project into a configuration change.
- Governance is a first-class feature rather than an afterthought: tracking plans, a data catalog, consent management, and bot management all operate at the pipeline level.
Limitations
- It does no analysis at all. There are no funnels, no retention curves, and no dashboards, so RudderStack always sits alongside at least one other purchase.
- The jump from the free 250,000 event tier to $265 a month for a million events is abrupt, with no intermediate step for a company sitting just over the line.
- Profiles, Data Apps, HIPAA, SSO, and 5 minute warehouse syncs are all Enterprise-only, so the most differentiated capability is behind a quoted contract.
- The self-hosted code is source-available under an Elastic 2.0 licence rather than permissively open source, and the enterprise edition includes features the public code does not.
Pricing compared
Amplitude
Usage-based on events ingested per month across four plans. Free and Plus are self-serve with published limits, Growth and Enterprise are quoted, and add-ons on the upper tiers are priced as a percentage of the platform plan.
- Free$0
- PlusStarts at $0, scaling with volume
- GrowthQuoted
- EnterpriseQuoted
Amplitude's value depends almost entirely on whether you use the platform or only the charts. At 10,000 monthly users generating perhaps 300,000 events, the free plan covers you with replays included, which makes Amplitude one of the cheapest ways to run real product analytics at small scale. At 100,000 monthly users on disciplined instrumentation, roughly 3 million events, you are on Plus and paying tens of dollars a month rather than hundreds, which is aggressive pricing for what you get. If you also retire a feature-flag subscription, an onboarding tool, and a survey widget, the effective value is very strong. If you use Amplitude purely as a charting tool, you are paying platform complexity for chart value, and Mixpanel or PostHog will feel lighter. The risk sits above 70 million events, where published pricing disappears and you are negotiating with a public company that has enterprise revenue targets.
RudderStack
Freemium subscription metered on events processed per month, with unlimited team members and tiers differing on sync frequency, workspaces, reverse ETL connections, and enterprise capabilities.
- Free$0
- Growth$265
- EnterpriseCustom
- Self-hosted$0 licence
Judged as infrastructure rather than as a product, RudderStack is fairly priced and the free tier is genuinely useful, particularly because warehouse destinations are included rather than gated. Estimating your bill means estimating events, not users, and the multiplier is what catches people out. A product with 10,000 monthly users generating perhaps twenty tracked events each produces around 200,000 events a month, which fits the free tier with almost nothing to spare. The same product at 100,000 monthly users produces roughly 2 million events, which is past the Growth base allowance of a million and into the higher volume options. That curve means RudderStack is free for a small startup, an abrupt $265 a month once it grows, and a real line item after that. The comparison that matters is not against another CDP but against doing nothing: if you are sending the same events to one destination, this is unnecessary cost and complexity. If you are sending them to four, RudderStack is cheaper than maintaining four instrumentations and far cheaper than the eventual project to reconcile them.
Editorial verdict on each
Amplitude
Category LeaderAmplitude is the most platform you can buy in this category without a sales call, and for a product-led company that would otherwise be paying for analytics, feature flags, an onboarding tool, and a survey widget separately, that consolidation is the whole argument. The free tier is real, Plus stretches to 70 million events self-serve, and feature flags being included at that level is genuinely generous packaging. Buy it if you will use the platform, not just the charts, and if you have someone willing to own tracking plans and cohort definitions. Look elsewhere if you want the lightest possible tool (Mixpanel), if you want to self-host (PostHog or Matomo), or if you can foresee crossing 70 million events, because that is where published pricing ends and enterprise negotiation begins.
Read the full Amplitude profileRudderStack
RudderStack is infrastructure, and it should be bought the way infrastructure is bought: because a specific problem demands it, not because a category exists. The problem it solves well is fragmentation, where the same events are instrumented separately for analytics, advertising, messaging, and the warehouse, and the four sources drift until nobody trusts any of them. The warehouse-first design is the right answer to that, because your event history lands in your own Snowflake or BigQuery from the first day and every other tool becomes a swappable destination. The free tier at 250,000 events with warehouse destinations included is a genuine pipeline, and $265 a month for a million events is fair for what it does. Buy it when you have three or more destinations, a warehouse, and somebody who will own the tracking plan. Do not buy it as your first analytics purchase, do not expect it to produce a single chart, and be aware that the most differentiated features, meaning Profiles, five minute syncs, SSO, and HIPAA, all live behind an Enterprise contract.
Read the full RudderStack profileAmplitude profile last reviewed 2026-08-22; RudderStack last reviewed 2026-08-22. Pricing is compiled from public sources and can change without notice. See our methodology.