can i fork it?
📊 analytics

FullStory costs $35/mo.
These cost $0.

2 free alternatives to FullStory, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.

⚡ Quick Verdict · 2027 Guide

The top-rated free, open-source replacement for FullStory is OpenReplay (AGPL-3.0 Open Source). Across this category, 2 self-hostable tools are available (including OpenReplay and Trench). Switching a 5-person team saves up to $2,100/year compared to FullStory's $35/mo subscription.

The catch: It is developer-debugging-first, harder to operate and weaker for turnkey form analytics, feedback and UX-research workflows.

See the 2 picks ↓

FullStory vs Free Alternatives

Quick side-by-side comparison · $0/mo vs $35/mo

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
OpenReplayopen sourceAGPL-3.0Self-host★ 13.1kFullStory vs OpenReplay →
Trenchopen sourceOpen SourceSelf-host★ 1.7kFullStory vs Trench →

The picks

2 open source · ranked by fit

  1. 01

    OpenReplay

    open sourceAGPL-3.0Self-host
    13.1knov 2026

    Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.

    The catch vs FullStory

    It is developer-debugging-first, harder to operate and weaker for turnkey form analytics, feedback and UX-research workflows.

    Install, platforms & data +
    platforms
    mobilewebself-hostedself-host, real ops
    install
    Create a hosted account or deploy to a public Ubuntu 24.04 server with the CLI or Helm; Docker Compose is experimental
    setup
    Free self-hosting needs a public x86 Ubuntu server, domain and TLS, with at least about 2 vCPU, 8 GB RAM and 50 GB storage
    engines
    The cloud product has AI summaries and natural-language querying, but its documentation does not identify the base model and the self-hosted edition does not include the cloud AI suite
    your data
    Replay and telemetry data live in the deployment's databases and object storage, or in OpenReplay's managed cloud when using the hosted service
    checked
    2026-11-07
  2. 02

    Trench

    open sourceOpen SourceSelf-host
    1.7knov 2026

    Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.

    The catch vs FullStory

    Requires self-hosting setup, updates, and server maintenance compared to managed FullStory.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/FrigadeHQ/trench or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07

FullStory Head-to-Head Comparisons (2027)

Side-by-side trade-off breakdowns · 2 free alternatives

Frequently Asked Questions

Direct answers · FullStory open-source replacements

What is the best free alternative to FullStory?+

The top free alternative to FullStory is OpenReplay (open source, AGPL-3.0). Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance. Other popular FullStory replacements include Trench.

Can I self-host a free replacement for FullStory?+

Yes. Of the 2 free alternatives to FullStory, 2 can be self-hosted on your own server or local machine: OpenReplay (AGPL-3.0), Trench (Open Source).

How much does switching from FullStory to a free alternative save?+

FullStory starts at $35/month per seat ($420/year). Switching a 5-person team to a free alternative like OpenReplay saves $2,100 per year in software subscription fees.

Should I vibe-code or build my own FullStory clone from scratch?+

Our build verdict for FullStory is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for FullStory or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like OpenReplay.

What is the catch when switching from FullStory to OpenReplay?+

It is developer-debugging-first, harder to operate and weaker for turnkey form analytics, feedback and UX-research workflows.