Heap vs Amplitude vs Mixpanel pricing: heap vs mixpanel, heap pricing and heap analytics cost per session against amplitude and mixpanel cost per event

Amplitude publishes four plans and prices one of them precisely. Free includes 2 million events a month with no time limit and no card, 10,000 monthly session replays, unlimited seats, 10 saved charts per organization and one year of data access. Plus, the self-serve paid plan, is printed as starts at $0 with the first 2 million events a month free, and it needs a card on file. Growth and Enterprise are custom, event-based pricing through sales.

Plus is where the published price lives, and the numbers are not printed on the page as text. They sit in the data the pricing page renders its annual comparison chart from. Read on 22 September 2026, Amplitude's annual Plus price by monthly event volume is $0 at 1.5 million, $0 at 2 million, $900 at 3 million, $2,700 at 5 million, $6,912 at 10 million, $9,072 at 12.5 million, $11,232 at 15 million, $13,392 at 17.5 million and $15,120 at 20 million.

Divide those by the events above the free 2 million and the rate is about 7 to 7.5 cents per 1,000 events per month, falling slightly as you grow. Plus scales to 70 million events a month and adds custom events and formulas, 20 behavioral cohorts, alerts, heatmaps and two years of data retention.

If you priced Amplitude earlier this month, check your notes. On 2 September 2026 the same page printed Plus from $49 a month. On 22 September it printed starts at $0. The published entry price for Plus changed inside three weeks. Free replay allowance also moved: the page now shows 10,000 monthly session replays on Free.

Mixpanel Free covers 1 million events a month, with a limit of 5 saved reports per user. Growth is printed as starts at $0, includes the first 1 million events, and then charges for additional data. Mixpanel's billing documentation gives the rate: on the 1 million monthly events plan, additional data costs $0.00028 per event, which is $0.28 per 1,000 events. It says buying higher volumes upfront lowers that rate through volume discounts. Enterprise is quoted.

The pricing page has a slider that runs from 1 million to 20 million monthly events, with 20 million plus going to sales. At its default position, 1.5 million events a month, it shows $140 a month on monthly billing and $120 a month billed yearly. That is $1,440 a year on annual terms. The badge beside it says you save $480 a year with annual billing, while the gap at that default position works out to $20 a month, or $240 a year. The badge and the slider are not describing the same volume.

Two add-ons change the per-event math. Group Analytics adds 40% on additional data ingested, and Data Pipelines adds 20%. If you need account-level analytics for a B2B product, price Growth at 1.4 times the base rate on everything above the free million.

Mixpanel also runs an MTU-based Enterprise plan, which its documentation says starts at $20,000 a year and is not available online. And it has a startup program: companies founded less than five years ago with up to $8 million in total funding get their first year free.

This is the volume where most growing B2B products first feel the bill, so it is a fair place to line the three up.

Amplitude Plus at 5 million monthly events is $2,700 a year on its own published ladder. That is the cheapest published figure in this comparison.

Mixpanel Growth at 5 million monthly events is 4 million events above the free allowance. At the list rate of $0.28 per 1,000, that is $1,120 a month on monthly billing. Mixpanel says upfront volume purchases carry discounts, so an annual commitment at that volume should come in lower, but the page does not print the discounted figure without moving the slider in a browser. Treat $13,440 a year as the ceiling and ask for the annual number in writing.

Amplitude's own chart also plots Mixpanel and PostHog next to its ladder. It puts Mixpanel at $5,250 a year at 5 million events. That is a competitor's claim about a rival's price, and it does not match the one point we could check: at 1.5 million events Amplitude's chart shows Mixpanel at $1,200 a year, while Mixpanel's own slider shows $120 a month billed yearly, which is $1,440. Budget from each vendor's own page, never from a rival's chart.

Heap at 5 million events cannot be priced, because Heap does not bill events. You need your own events per session. If a typical session in your product logs 25 tracked events, 5 million events is about 200,000 sessions a month, twenty times the Heap Free allowance and deep into custom session pricing.

Heap defines a session as a period of activity from one user. On web it ends after 30 minutes without a page view. On mobile it ends after 5 minutes of inactivity, whether the app is in the foreground or background. Amplitude and Mixpanel count each tracked action separately.

So the conversion is one number you already have: events per session. Pull a week of data from whatever you run today, divide tracked events by sessions, and multiply your Heap session quote by it. That turns a session price into an effective event price you can set beside Amplitude's ladder and Mixpanel's rate.

The direction of the effect is predictable. Products where users do a lot in one sitting, such as dashboards, editors and admin tools, generate many events per session and tend to look cheaper on a session meter. Products with frequent short visits, such as mobile apps checked several times a day, generate many sessions with few events each and tend to look cheaper on an event meter. The mobile 5 minute timeout pushes session counts up further.

Heap's autocapture also changes what an event is. It records interactions without manual tagging, so the event count you would send to Heap is larger than what you would deliberately instrument in Amplitude or Mixpanel. That is part of why it meters sessions: an event meter on autocapture would be unpredictable.

All three handle overage differently, and two of them hold your reports hostage rather than charging you.

Heap says plainly that it will not drop or throttle your data when you go over. You get an email asking you to upgrade to the right tier, and you need to do that before you can view your data again. Your tracking keeps running. Your dashboards do not.

Mixpanel Free works the same way at 1 million events: it keeps collecting, charges nothing, and blocks you from viewing reports until you upgrade to a Growth plan that fits your usage or the next month starts. On Growth there is no lockout, you are billed for the additional data, and Mixpanel's documentation says it is not possible to set a billing limit. The workaround it suggests is a report with warning alerts.

Amplitude markets Plus on the opposite promise: keep sending data as you grow without overage penalties or surprise renewal spikes. Free has a fixed limit of 2 million events a month.

If your volume is spiky, for example a launch or a seasonal peak, this row matters more than the headline rate. A report lockout in the week of a launch is the worst possible time to lose visibility.

Published prices describe the smallest customers. Procurement data describes the typical one, and in this category the gap is wide.

Vendr, which negotiates software contracts on behalf of buyers and publishes aggregate figures, reports a median annual Heap contract of $41,220 across 136 deals, ranging from $13,000 to $154,798, with an average negotiated saving of 20.72%. For Amplitude it reports a median of $64,724 across 237 deals, from $24,625 to $370,790, with an average saving of 15.7%. For Mixpanel it reports a median of $38,716 across 189 deals, from $13,050 to $122,820, with an average saving of 18.6%.

These are third-party figures from companies large enough to run a procurement process. They are not list prices and they will overstate the bill for a small team on self-serve.

Two things stand out. First, Amplitude has the cheapest published self-serve ladder and the most expensive median contract. The self-serve plan is a funnel into Growth and Enterprise, and the typical buyer ends up there. Second, Vendr still describes Heap as tiered by monthly tracked users, while Heap's own page quotes custom session pricing. Use procurement data for contract values, and use the vendor's own page for how the bill is built.

Under 1 million events a month, Amplitude and Mixpanel are both free, and Heap is free up to 10,000 sessions. Amplitude gives the most room, 2 million events and 10,000 replays, and Mixpanel caps you at 5 saved reports per user, which a product team outgrows quickly.

Between 2 and 20 million events a month, Amplitude Plus is the cheapest published price in this comparison by a wide margin, from $900 a year at 3 million to $15,120 at 20 million. Mixpanel at list is several times higher at every point above 2 million, before any upfront volume discount you negotiate.

Heap is the hardest to place and the one to be most careful with. If your product generates many events per session, its session meter can come out ahead. You will not know until you install the snippet and get the estimate, so do that on a staging environment before you commit to anything.

Above 20 million events, all three move to sales, and the procurement medians are the better guide. There, Mixpanel's median is the lowest and Amplitude's the highest.

Heap, Amplitude and Mixpanel are all very good at one question: what did users do inside the product. Funnels, retention curves, paths and cohorts are what you are paying for, and all three do them well.

What none of them does by itself is tell you why. The reason a cohort churned is usually written down somewhere else: in support tickets, in app store and G2 reviews, in NPS comments and in sales call notes. A drop in a retention curve tells you when. The ticket queue tells you what broke.

UserInsight sits on top of the analytics tool you already have and pulls usage, feedback, tickets and reviews into one place, then surfaces the themes behind churn and feature requests with the evidence attached. It does not replace Heap, Amplitude or Mixpanel. It answers the question they leave open. Plans start at $199 a month on annual billing, and the demo above runs on your own text before you sign up.