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.
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.
FullStory vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $35/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| OpenReplay | open source | AGPL-3.0 | Self-host | ★ 13.1k | FullStory vs OpenReplay → |
| Trench | open source | Open Source | Self-host | ★ 1.7k | FullStory vs Trench → |
The picks
2 open source · ranked by fit
- 01
OpenReplay
open sourceAGPL-3.0Self-host13.1knov 2026Open-source session replay and product analytics platform you can self-host for complete control over data security, privacy, and compliance.
The catch vs FullStoryIt 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
- 02
Trench
open sourceOpen SourceSelf-host1.7knov 2026Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.
The catch vs FullStoryRequires 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.