Hotjar costs $35/mo.
These cost $0.
4 free alternatives to Hotjar, 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 Hotjar is PostHog (MIT Open Source). Across this category, 3 self-hostable tools are available (including PostHog and Rybbit). Switching a 5-person team saves up to $2,100/year compared to Hotjar's $35/mo subscription.
The catch: Its kitchen-sink product is heavier, while Amplitude's core product-analytics workflows and governance are more refined.
Hotjar vs Free Alternatives
Quick side-by-side comparison · $0/mo vs $35/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| PostHog | open source | MIT | Self-host | ★ 40.7k | Hotjar vs PostHog → |
| Rybbit | open source | AGPL-3.0 | Self-host | ★ 13.2k | Hotjar vs Rybbit → |
| OpenReplay | open source | AGPL-3.0 | Self-host | ★ 13.1k | Hotjar vs OpenReplay → |
| Fathom Lite | free | proprietary, free | Hosted | ★ 8k | Hotjar vs Fathom Lite → |
The picks
3 open source · 1 free to use · ranked by fit
- 01
PostHog
open sourceMITSelf-host40.7knov 2026All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product.
The catch vs HotjarIts kitchen-sink product is heavier, while Amplitude's core product-analytics workflows and governance are more refined.
Install, platforms & data +
- platforms
- mobilewebthey host it
- install
- Create a PostHog Cloud project or use the hobby self-host script on a Linux server
- setup
- None for hosted signup; self-hosting is an unsupported, resource-heavy multi-service stack requiring serious operations work
- your data
- The self-hosted stack splits analytics, transactions, queues and recordings across ClickHouse, PostgreSQL, Kafka, Redis and object storage; cloud data lives in PostHog's managed regions
- checked
- 2026-11-07
- 02
Rybbit
open sourceAGPL-3.0Self-host13.2knov 2026Get next-gen, open-source, and cookieless web analytics. Understand user behavior with session replays, real-time data, and web vitals. GDPR/CCPA compliant.
The catch vs HotjarIts replay and heatmap tooling is newer and less mature for form debugging, consent workflows and dedicated UX research than Mouseflow.
Install, platforms & data +
- platforms
- mobilewebself-hosteddocker to self-host
- install
- Use the hosted service or deploy the free self-hosted edition with Docker Compose
- setup
- The indefinitely free path is self-hosting, which requires Docker Compose, a domain, secrets and enough resources for three data services
- your data
- The self-hosted stack uses PostgreSQL for application data, ClickHouse for analytics and Redis for queues and cache; hosted data lives in Rybbit's cloud
- checked
- 2026-11-07
- 03
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 HotjarIt 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
- 04
Fathom Lite
freeproprietary, freeHosted8knov 2026A simple, privacy-first analytics platform that provides valuable website insights without compromising visitor data or requiring cookie consent banners.
The catch vs HotjarThe free plan is individual-first and lacks Fireflies' richer team analytics, CRM workflow automation and broad cross-meeting collaboration.
Install, platforms & data +
- platforms
- desktopwebthey host it
- install
- Hosted signup, connect Google or Outlook Calendar, and install or authorize Fathom's meeting capture app or bot
- setup
- Authorizing calendar, microphone or screen capture and the visible meeting bot or beta bot-free recorder
- engines
- Fathom's proprietary AI plus third-party subprocessors including Anthropic, OpenAI and Google; individual model names are not disclosed
- your data
- Meeting audio/video, transcripts, notes and calendar/attendee metadata in Fathom's US-hosted cloud; recordings remain until deleted on free plans and can be downloaded or exported
- checked
- 2026-11-07
Hotjar Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns · 4 free alternatives
Frequently Asked Questions
Direct answers · Hotjar open-source replacements
What is the best free alternative to Hotjar?+
The top free alternative to Hotjar is PostHog (open source, MIT). All-in-one product analytics platform. Track user behavior, run experiments, and make data-driven decisions to grow your product. Other popular Hotjar replacements include Rybbit, OpenReplay, Fathom Lite.
Can I self-host a free replacement for Hotjar?+
Yes. Of the 4 free alternatives to Hotjar, 3 can be self-hosted on your own server or local machine: PostHog (MIT), Rybbit (AGPL-3.0), OpenReplay (AGPL-3.0).
How much does switching from Hotjar to a free alternative save?+
Hotjar starts at $35/month per seat ($420/year). Switching a 5-person team to a free alternative like PostHog saves $2,100 per year in software subscription fees.
Should I vibe-code or build my own Hotjar clone from scratch?+
Our build verdict for Hotjar is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Hotjar or rebuilding it from scratch, deploy one of the 4 battle-tested open-source alternatives like PostHog.
What is the catch when switching from Hotjar to PostHog?+
Its kitchen-sink product is heavier, while Amplitude's core product-analytics workflows and governance are more refined.
