Get the actual full story:
Multiplayer vs Fullstory
From just frontend, user behaviour data to full stack, end-to-end visibility. With Multiplayer you get the full picture on technical issues and bugs, immediately. 
How is Multiplayer different?
The actual full story, not just frontend data
Multiplayer provides full stack session recordings that correlate frontend and backend data out of the box.
- Fullstory is primarily a UX analytics tool focused on capturing frontend user behavior. But it stops at the browser. When something breaks or you need to resolve a technical issue, teams must manually piece together the complete picture: hunting through observability tools, correlating timestamps across systems, and searching for user feedback and technical discussions. Despite the name, you're actually getting only half the story.
- Multiplayer gives you the full story, by default. Full stack session recordings provide complete context from the start, automatically correlating everything (frontend screens, user actions, backend traces, logs, request/response content and headers and user feedback) in a single, shared, annotatable timeline. No hunting, no manual correlation, no tool switching.
From day one, you get true end-to-end visibility, seamlessly integrated with whichever observability stack you already use.
Everything you need, for any support scenario, out of the box
Multiplayer adapts to every support workflow. No extra tools, no manual workarounds, no rigid setup. Whether you’re handling a question about “unexpected behavior” or a complex cross-service incident, Multiplayer gives you the full context to resolve it.
• Fullstory is built for product analytics, not technical debugging and support. Recordings are primarily used by PM and UX teams to study behavior trends at scale, which is why the platform relies on always-on frontend capture with limited control over when, what, or how sessions are recorded. Support workflows often require additional configuration, multiple external tools, or features that Fullstory simply doesn’t support.
• Multiplayer enables any support workflow with any existing ticketing system (e.g. Zendesk, Intercom, Jira). Multiple full stack recording modes give you control without overhead. Multiple installation methods work however your team works. Your team can work across multiple use cases: from actively resolving technical support tickets to proactively identifying bugs so you can fix them before users even realize they are there.
With Multiplayer, a single tool powers many workflows out of the box
Developer-friendly and AI-native
Multiplayer fits seamlessly into your existing workflows and tool stack.
• Fullstory has limited install and deployment options
Aside from the lack of full stack data (or backend integrations), Fullstory can be installed only via SDK and deployed as a SaaS solution. Many capabilities relevant to technical teams (e.g. mobile support, user segmentation, AI workflows with IDE and AI coding assistants) are locked behind higher-tier, add-ons, or not available at all.
• Multiplayer is full-stack, backend-agnostic by default.
Full-stack session recordings capture everything out of the box, including critical data such as request/response content and headers from deep within your system. It’s compatible with any observability platform, language, environment, architecture, and IDE / AI tool. You can also host in the cloud or self-host.
Multiplayer is built for support and engineering teams who need the complete picture across all layers of the stack, immediately.
Why use Multiplayer?
Understand unclear, hard-to-describe issues
Users often report confusing behavior or ask questions that require technical clarity. Sometimes the tickets themselves are ambiguous or incomplete. Multiplayer shows exactly what happened on the user's end, so support teams can answer quickly and confidently. No need to ask users for 'more info' or escalate unnecessarily.
Resolve complex technical issues or bugs dramatically faster
With full stack session recordings, Multiplayer lets you instantly see how bugs happened in a single timeline, automatically correlating data across all layers of your stack. It reduces guesswork, shortens investigation time, and saves hours from grepping through log files or jumping between dashboards and screens.
Eliminate costly, repetitive escalations
Multiplayer removes the back-and-forth that slows support and debugging workflows down. Support can review a user's full session, annotate it, and escalate with complete context, so engineering can diagnose issues without reconstructing missing data. Cut down on meeting loops, duplicate work, and miscommunication, and get users to a resolution faster.Fullstory helps you understand frontend user behavior.
Multiplayer helps you understand and fix highly technical issues and bugs.
Core differences
| Fullstory | Multiplayer | |
|---|---|---|
| PRIMARY USE CASE | Behavioral data analytics and website performance at scale | Deep, collaborative investigation of technical support issues, bugs and escalations |
| USERS | Product, Marketing and UX | Customer Support, Developers, QAs, end-users and external partners |
| SESSION REPLAYS | Limited Add-on to frontend analytics, always-on recording with limited versatility for different support workflows | Versatile by design and developer-friendly Multiple recording modes, install options, and supported use cases. Compatible with any observability platform, language, environment, architecture, AI tool and deployment |
| DATA PER SESSION | Limited Only frontend data with no option to integrate backend data | Full stack data and complete context Including data like user feedback, request/response content and headers for components deep in your system, team annotations, etc. |
| TEAM COLLABORATION | Limited View, share and highlight session replays | View, share, and annotate every aspect of a session recording |
| AI CAPABILITIES | Native AI tool to interrogate and summarize session replays | Sessions are AI-ready from frontend screens, to backend traces, to team annotations. The MCP server feeds complete, correlated and enriched context to your IDE or AI tool of choice |
Session recording features
| Feature | Fullstory | Multiplayer |
|---|---|---|
| Installation method | ||
| Deployment | ||
| Web & mobile applications | ||
| Data per session | ||
| Recording modes | ||
| Auto-saved sessions for errors or exceptions | ||
| Session recording sharing | ||
| Session recording annotation | ||
| Notebooks for team collaboration | ||
| Masking sensitive user information | ||
| Session recording searchability | ||
| Dashboards | ||
| MCP server |
Session recording data
| Feature | Fullstory | Multiplayer |
|---|---|---|
| User clicks + inputs | ||
| Page navigations + loads | ||
| Session metadata (device, runtime environment, browser, OS) | ||
| DOM events | ||
| Console messages | ||
| Network requests | ||
| HTML source code | ||
| Backend errors | ||
| Correlated distributed traces | ||
| User feedback | ||
| Request/response content | ||
| Headers | ||
| Service and dependency maps | ||
| Repositories |
Getting started with Multiplayer
is easy.
A simple, performant interface so you can start recording in minutes. It fits right into your code with SDKs for your favorite programming languages.
Get started with our client library
Install our Chrome Extension
Install our Visual Studio Code extension
You can install the Multiplayer Session Recorder using npm:
npm install @multiplayer-app/session-recorder-browserQuick start
import SessionRecorder from '@multiplayer-app/session-recorder-browser'
SessionRecorder.init({
application: 'my-web-app',
version: '1.0.0',
environment: 'production',
apiKey: 'MULTIPLAYER_API_KEY',
})More languages and CLI SDKs can be found in our documentation.
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Check out our in-depth technical documentation.
Best practices on software architecture, system design, debugging, and observability.