Head-to-Head Comparison · Alternative to FullStory · 📊 analytics
FullStory vs Trench
Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities. Here is how Trench ($0/mo open source) stacks up against FullStory ($35/mo) across cost, hosting, data privacy, and real-world trade-offs.
Trench is a verified Open Source-licensed open-source replacement for FullStory. Switching from FullStory ($35/mo) saves $420/yr per solo seat, or $2,100/yr for a 5-person team. Deployment: Runs on Self-host.
The catch: Requires self-hosting setup, updates, and server maintenance compared to managed FullStory.
FullStory vs Trench Specifications
facts verified 2026-11-07
| Dimension | FullStory (Paid) | Trench (Replacement) |
|---|---|---|
| Monthly Price | $35 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $420 / yr | $0 / yr (Save $420) |
| 1-Year Cost (5 seats) | $2,100 / yr | $0 / yr (Save $2,100) |
| 1-Year Cost (10 seats) | $4,200 / yr | $0 / yr (Save $4,200) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 1.7k (active nov 2026) |
Deep Dive: Switching from FullStory to Trench
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed FullStory.
How to deploy Trench
Clone https://github.com/FrigadeHQ/trench or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork Trench instead of vibe-coding a FullStory clone?
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.
FullStory vs Trench FAQ
Is Trench a good free alternative to FullStory?+
Yes. Trench is a verified open-source (Open Source) replacement for FullStory. Open source analytics platform built on ClickHouse and Kafka, offering high-speed event tracking and real-time querying capabilities.
What is the catch when switching from FullStory to Trench?+
Requires self-hosting setup, updates, and server maintenance compared to managed FullStory.
How much do you save switching from FullStory to Trench?+
FullStory costs $35/mo ($420/yr) per seat, whereas Trench is $0/mo. Switching saves $420/yr for a solo user, $2,100/yr for a 5-person team, and $4,200/yr for a 10-person team.
How do I install or self-host Trench instead of FullStory?+
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.