Fullstory shows you what happened.
We tell you what matters.
Lunar Dinos is an intelligence-first alternative to Fullstory for B2B SaaS. Fullstory is industry-leading session replay — you watch recordings to find the pattern. Lunar Dinos surfaces the activation, churn, and expansion patterns automatically, then links session replays as evidence. The discovery step is done for you. EU-hosted by default.
The analysis, done for you
Sample insights Lunar Dinos surfaces automatically. In Fullstory, someone on your team watches sessions to find each of these.
Activation
Find what drives trial-to-paid conversion.
"Accounts that connect an integration in the first 3 days convert at 2.4× the rate."
Churn
See churn risk before renewal.
"Account X hasn't used core feature Y in 2 weeks — they used it daily before."
Expansion
Spot expansion-ready accounts.
"3 accounts on the starter plan are using enterprise-level workflows."
Retention
Know which features drive retention.
"Accounts that adopt feature Z retain 40% better. 60% of your accounts haven't discovered it."
How they compare
Last reviewed: April 2026
| Fullstory | Lunar Dinos | |
|---|---|---|
| Activation insights | Watch sessions to find | Automatic |
| Churn prediction & alerts | Watch sessions to find | Automatic |
| Expansion signals (PQL scoring) | Not native | Automatic |
| Feature adoption by account | Not native | Automatic |
| B2B account health scores | Not native | Built in |
| Session replay | Yes (industry leader) | Yes |
| Heatmaps | Yes | No |
| Mobile app replay | Yes | No |
| EU-hosted by default | EU region option | Yes |
What it looks like in practice
Patterns first, replays as evidence.
Drop-off, surfaced — not searched for
In Fullstory, you watch 20 onboarding sessions looking for the step where people give up. In Lunar Dinos, the drop-off step is named — with the accounts that hit it and the sessions that show why.
Replay as evidence, not the starting point
The AI surfaces the pattern. The replay confirms it. You skip the hours of watching sessions hoping something clicks.
The difference between watching and knowing
Session replay is a powerful tool. It works best as part of a bigger picture.
Replay-first workflow
Watch 20 sessions to spot a pattern. Build a hypothesis. Watch 20 more to validate. Repeat for every question. Valuable but time-consuming — you're doing the analysis.
Intelligence-first workflow
The pattern surfaces automatically: "Users drop off at step 3 of onboarding." You click through to the linked sessions to see exactly what happened. The replay confirms what the analysis already found.
Choosing between them
Fullstory is the right choice if...
- Session replay is your core workflow
- You need mobile app replay or heatmaps
- You have a UX research team that regularly watches sessions
Lunar Dinos is the right choice if...
- You're a B2B SaaS team that cares about accounts, not just individual sessions
- You want this week's priorities ready on Monday, with a specific next step
- You want patterns surfaced and replays as evidence, not the other way around
- Your data has to stay in the EU
See the pattern. Watch the proof.
Proactive weekly action recommendations with replay evidence attached. Each with the reason and the next step.