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Comparison

Countly vs Amplitude

Countly and Amplitude both land on Depends.

Countly

Depends
Confidence: Medium

Choose Countly if data control, self-hosting, or privacy compliance are real requirements and you have ops capacity or enterprise budget.

Countly versus Amplitude
CompareCountlyAmplitude
VerdictDependsDepends
Best forMobile app teams needing deep event analyticsProduct-led growth teams
Who it's not forSeed-stage startups . free PostHog or GA4 covers the basicsSmall startups with low traffic
PrivacyCountly Server carries recent CVEs (2026 auth bypass, path traversal); privacy tooling is a strength but patching is critical.10No confirmed platform breach found; one flagged malicious npm package and one SDK privacy lawsuit exist in sources.
Support qualityNo support evidence in sourcesNo direct support evidence found
Public sentimentReviewers rate Countly around 4 on G2 and praise it, but its public review footprint is small versus PostHog, Mixpanel, and Amplitude.¹Product teams at scale rate it highly but repeatedly flag instrumentation effort and escalating costs.
Biggest gotchaSelf-hosting puts patching on you; the DBViewer bypass hit unpatched servers12Event-based pricing balloons with traffic; enterprise contracts reportedly $5k-$70k/year.

Pick Countly when

  • Mobile app teams needing deep event analytics
  • Companies that must self-host for data control
  • Privacy-sensitive or regulated markets (GDPR, DPDP)
  • Mid-size teams consolidating analytics

When Countly is not a fit

  • Seed-stage startups . free PostHog or GA4 covers the basics
  • Teams with no DevOps to run and patch servers
  • Simple sites wanting pageviews only . Plausible is lighter
  • Buyers wanting transparent, published pricing

Pick Amplitude when

  • Product-led growth teams
  • High-traffic apps
  • Teams with a data analyst
  • Experimentation-heavy orgs

When Amplitude is not a fit

  • Small startups with low traffic
  • Teams with nobody owning event instrumentation
  • Simple sites needing basic page analytics
  • Buyers allergic to usage-based pricing

Sources

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  3. Countly . Capterracapterra.com
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  10. security
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  15. official
  16. news