Best Customer Success Software

Customer success software

Best Customer Success Software for PLG Companies

GainTrace is the best customer success software for product-led (PLG) companies. It reads product usage from Segment, Mixpanel, Amplitude, PostHog or Heap on every plan, prices by companies tracked instead of seats, and lets you start without a sales call, the same way your own users start. It scores 8.8 out of 10, the highest of the nine platforms we check.

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What PLG changes about customer success software

Product-led companies ask four things of a CS platform that sales-led companies rarely do:

  • Usage is the main signal. Health comes from events and active users, so how that data gets in matters more than any feature list.
  • There are many accounts, and many are free. With thousands of small or free workspaces, the pricing basis decides the bill: seats, accounts or something else.
  • Everyone wants to look. Product, growth and sales follow accounts too, so view-only access needs to be free.
  • Your buyers try before they buy. A team that sells that way usually wants to buy that way too.

The data path test: how usage gets in

All nine platforms list a native Mixpanel connector, eight list Segment, and two list PostHog. The table shows the native connectors each platform lists for the tools PLG teams use. "–" means it lists none. You may still be able to send that data through its API or a pipeline tool, but that takes engineering time.

PlatformSegmentMixpanelAmplitudePostHogHeapPendoData warehouseOwn tracking snippet
GainTraceYesYesYesYesYesNoBigQuery, Snowflake (Enterprise plan)Yes
PlanhatYesYesYesNoNoYesSnowflake, BigQueryYes
OdieYesYesNoNoNoYesSnowflake, BigQuery, RedshiftDocumented for Totango only
CustifyYesYesYesYesNoYesSnowflake, BigQuery, Redshift, Databricks, Synapse, AthenaYes
ClientSuccessYesYesNoNoNoYesNone; flat-file importsYes plus Usage API
GainsightYesYesNoNoNoNoSnowflake, BigQuery, Redshift, DatabricksThrough Gainsight PX, a separate product
VelarisNoYesYesNoNoYesSnowflakeNo (API and Velaris Bridge)
VitallyYesYesYesNoNoYesRedshift, BigQuery, SnowflakeYes
ChurnZeroYesYesNoNoNoYesSnowflake, BigQueryYes

What it shows:

Only the first of Gainsight's four marketplace pages loaded during our check, so a connector missing here could be listed on a later page.

The growth test: what happens to the price as accounts grow

Seven of the nine vendors say what their price is based on; Custify and ChurnZero don't. That matters in PLG, where the number of accounts grows faster than the team.

PlatformPrice based onLimits that matter at volume
GainTraceCompanies tracked; seats never billedEach company includes 4 contacts and 200 events a month. Beyond that, $5 per 1,000 contacts and $5 per million events. Above 2,500 companies: Enterprise, from $1,500 a month
Odie"No seat pricing." The Customer Operating System is priced on "the size of your customer portfolio, how deep and how often Odie analyzes each account, and an AI Success allocation pool"From $1,500 a month, one-year term
VitallyFull-featured seats and tracked accounts (its docs)Unlimited observer seats; account allowances per plan not published
ClientSuccess"the number of customer success managers using the platform and the modules you need"Customers capped at 500 or 5,000 below the unlimited package; usage events capped at 1 million a month as standard, with a fee above that
GainsightFull users included per package (10 or 20); no other metric namedEssentials: 100 customers per full user; Enterprise: 200
Planhat"a Platform Fee and a minimum number of Core Users", plus Solution ExtensionsUnlimited View Users; its tracking endpoints "can handle very high volumes"
Velaris"5 users. Unlimited viewers. Add-ons available."Nothing account-based published
CustifyNot publishedNot published
ChurnZeroNot publishedNot published

Quotes and terms checked on against: GainTrace pricing page, Odie pricing page, ClientSuccess pricing page, Gainsight pricing page, Planhat pricing page, Velaris pricing page.

Worked example: 2,000 paying accounts and 20,000 free workspaces

  • On GainTrace, tracking only the 2,000 paying accounts puts you in the 2,500-company band: $999 a month, or $9,990 a year paid annually.
  • That includes 10,000 contacts and 500,000 events a month.
  • If each paying account has ten users, you'll track 20,000 contacts. That's 10,000 over the allowance, which adds $50 a month.
  • Track the free workspaces too, and you're past 2,500 companies, on Enterprise.
  • On ClientSuccess, 22,000 accounts need the unlimited package, because the middle one stops at 5,000 customers.
  • For every other vendor, ask the question no pricing page answers: do free workspaces count as billed accounts?

The try-first test

Of the nine, only GainTrace lets you start without talking to sales. Every other vendor's main button leads to a demo request. Vitally opens a trial sandbox after the demo, and Gainsight's free trial is for Gainsight PX, its separate product-analytics tool. The full results are in the start test on Best customer success software for small teams.

Where the CS platform stops and in-app tools start

A customer success platform watches accounts and tells your team who needs attention. In-app tools such as Pendo, Userpilot or Appcues talk to users inside your product, with tours, checklists and announcements, and many PLG teams need both. Check two things before you buy:

  • Can the CS platform trigger an in-app message itself? GainTrace playbooks can send one from a signal, alongside an email, a Slack alert and a CRM task.
  • Does the vendor still offer it? Totango retired its In-App feature on 30 April 2025.

The nine platforms for a PLG company

Our choice

GainTrace

8.8 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed10
  • Price and terms10
  • Seats10
  • AI and MCP8
  • Market presence1
  • Self-serve, no admin10
  • Integrations4

GainTrace has native connectors to Segment, Mixpanel, Amplitude, PostHog and Heap on every plan, and to Stripe and Chargebee for billing, so a failed payment shows up as a risk signal. GainTrace charges for companies tracked, so product and growth teams join free. Check GainTrace's contact and event allowances against your usage. GainTrace's warehouse connectors are on the Enterprise plan only.

Planhat

8.2 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed2
  • Price and terms2
  • Seats5
  • AI and MCP7
  • Market presence10
  • Self-serve, no admin0
  • Integrations6

Planhat reads usage from Segment, Mixpanel, Amplitude, Pendo, Snowflake or BigQuery, or from its own tracking script. Planhat's View users are free; editors are Core Users, on an annual bill paid upfront.

Vitally

7.9 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed4
  • Price and terms0
  • Seats5
  • AI and MCP7
  • Market presence6
  • Self-serve, no admin0
  • Integrations6

Vitally has a Tech-Touch plan, connectors to Segment, Mixpanel, Amplitude, Pendo and three data warehouses, plus Census, Hightouch, RudderStack and its own Vitally.js. With Vitally you pay for full seats and tracked accounts; observers are free.

Custify

7.7 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed8
  • Price and terms2
  • Seats2
  • AI and MCP7
  • Market presence6
  • Self-serve, no admin0
  • Integrations8

Custify has the longest data list here: Segment, Mixpanel, Amplitude, PostHog and Pendo, plus six data warehouses and its own snippet. Custify's pricing isn't published.

Velaris

7.4 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed2
  • Price and terms0
  • Seats5
  • AI and MCP7
  • Market presence6
  • Self-serve, no admin0
  • Integrations8

Velaris connects to Amplitude, Mixpanel, Pendo and Snowflake. Velaris lists no Segment connector and no tracking snippet of its own; anything else goes through its API or Velaris Bridge.

Gainsight

7.2 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed2
  • Price and terms0
  • Seats5
  • AI and MCP8
  • Market presence10
  • Self-serve, no admin0
  • Integrations8

Gainsight has Segment and Mixpanel connectors, plus four data warehouses. Gainsight's in-product analytics is a separate product, Gainsight PX, which allows 1,000 events per monthly active user. Gainsight Essentials includes 100 customers per full user.

ChurnZero

7.0 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed2
  • Price and terms0
  • Seats2
  • AI and MCP7
  • Market presence10
  • Self-serve, no admin0
  • Integrations8

ChurnZero connects to Segment, Mixpanel, Pendo, Snowflake and BigQuery, and has its own JavaScript snippet. ChurnZero publishes no pricing basis, so the cost of a large free base is a sales conversation.

ClientSuccess

6.7 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed6
  • Price and terms4
  • Seats2
  • AI and MCP4
  • Market presence5
  • Self-serve, no admin5
  • Integrations6

ClientSuccess connects to Segment, Mixpanel and Pendo, with a snippet and a Usage API. ClientSuccess's per-CSM pricing suits a large account base run by a small team, but packages below the top tier cap customers at 500 or 5,000, and usage events at 1 million a month as standard.

Odie (formerly Totango)

6.4 out of 10 · our rating

What the facts show, out of 10

  • Go-live speed4
  • Price and terms3
  • Seats10
  • AI and MCP7
  • Market presence5
  • Self-serve, no admin0
  • Integrations6

Odie's lack of seat pricing suits a company where everyone watches accounts. Odie connects to Segment, Mixpanel, Pendo and three data warehouses, but lists no Amplitude or PostHog connector. Odie is priced on portfolio size and analysis depth: from $1,500 a month for the Customer Operating System, on a one-year term.

Questions

What is the best customer success software for PLG companies?

The best customer success software for PLG companies is GainTrace. It reads usage from Segment, Mixpanel, Amplitude, PostHog or Heap on every plan, prices by companies tracked rather than seats, and you can start without a sales call. It scores 8.8 out of 10, the highest of the nine platforms we check.

Which customer success platforms connect to Segment, Amplitude or PostHog?

Among the nine platforms we check, all except Velaris list a native Segment connector. Amplitude is listed by GainTrace, Planhat, Custify, Velaris and Vitally. Only GainTrace and Custify list PostHog, and only GainTrace lists Heap.

How do customer success platforms price thousands of small accounts?

Customer success platforms price thousands of small accounts in different ways:

  • by accounts tracked: GainTrace, and Vitally together with seats;
  • by CSM seats: ClientSuccess;
  • by portfolio size and analysis depth: Odie.

Planhat combines a platform fee with Core Users. Custify and ChurnZero publish no basis. Ask every vendor whether free workspaces count as billed accounts.

Do PLG companies still need an in-app tool like Pendo?

PLG companies often still need an in-app tool like Pendo. A CS platform tells your team which accounts need attention, while in-app tools guide users inside the product. Some CS platforms can trigger an in-app message from a signal, GainTrace among them, but tours and checklists usually stay in a dedicated tool.

Ratings and facts are the same on every page of this site. The rules and sources are on How we score.