Amplitude
Depends
Confidence: Medium
Buy it if you run a product-led team with real traffic and someone who owns event data.
Comparison
Amplitude vs Fullstory
Amplitude and Fullstory both land on Depends.
Fullstory
Depends
Confidence: Medium
Buy it if you are a mid-size or enterprise product team that will assign people to actually mine session data.
| Compare | Amplitude | Fullstory |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Product-led growth teams | Enterprise product and engineering teams |
| Who it's not for | Small startups with low traffic | Small startups wanting quick, cheap insights |
| Privacy | No confirmed platform breach found; one flagged malicious npm package and one SDK privacy lawsuit exist in sources.11 | No known public vulnerabilities found in the sources reviewed; trust center and breach-response plan published, but one privacy lawsuit alleges covert visitor recording. |
| Support quality | No direct support evidence found | Aggregated reviews rank support top strength |
| Public sentiment | Product teams at scale rate it highly but repeatedly flag instrumentation effort and escalating costs.¹ | Users praise the capture depth, ease of use, and support but complain sessions pile up unwatched without dedicated analysts. |
| Biggest gotcha | Event-based pricing balloons with traffic; enterprise contracts reportedly $5k-$70k/year.10 | No public pricing; enterprise contracts likely scale with captured sessions . negotiate hard before signing |
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
Pick Fullstory when
- Enterprise product and engineering teams
- UX teams hunting friction hotspots
- B2C apps with heavy usage data
- Teams building AI agents on behavioral data
When Fullstory is not a fit
- Small startups wanting quick, cheap insights
- Teams with nobody assigned to analyze sessions
- Privacy-sensitive buyers uneasy about recording lawsuits
- Buyers needing published pricing upfront
Sources
review
review
- Amplitude Analytics Reviews . Trustpilottrustpilot.comreview
review
- Amplitude Pricingamplitude.comofficial
- Amplitude Plus self-serve planamplitude.comofficial
- Amplitude Customersamplitude.comofficial
- Amplitude Careers (customer list)amplitude.comofficial
- Amplitude Pricing Guide . SpendFlospendflo.comnews
- Malicious Package in amplitude-experiment . Snyksecurity.snyk.iosecurity
- Amplitude Snares Private Data of Millions Via Apps . Bloomberg Lawnews.bloomberglaw.comsecurity
- The 7 best Amplitude alternatives . Mixpanelmixpanel.comreview
- Amplitude 2026 funding . Tracxntracxn.comnews
- Fullstory homepagefullstory.comofficial
- FullStory Reviews: Real Usagegetspike.aireview