DataFast costs $35/mo.
These cost $0.
7 free alternatives to DataFast, 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 DataFast is Umami (MIT Open Source). Across this category, 7 self-hostable tools are available (including Umami and Plausible). Switching a 5-person team saves up to $2,100/year compared to DataFast's $35/mo subscription.
The catch: It is far shallower for cohorts, retention, experimentation, taxonomy governance and behavioral analysis than Amplitude.
DataFast vs Free Alternatives
Quick side-by-side comparison Β· $0/mo vs $35/mo
| Alternative | Type | License | Where It Runs | Stars | Head-to-Head |
|---|---|---|---|---|---|
| Umami | open source | MIT | Self-host | β 40k | DataFast vs Umami β |
| Plausible | open source | Open Source | Self-host | β 29.8k | DataFast vs Plausible β |
| OpenWebAnalytics | open source | Open Source | Self-host | β 2.7k | DataFast vs OpenWebAnalytics β |
| Swetrix | open source | Open Source | Self-host | β 1.2k | DataFast vs Swetrix β |
| Betterlytics | open source | Open Source | Self-host | β 180 | DataFast vs Betterlytics β |
| HitKeep | open source | Open Source | Self-host | β 105 | DataFast vs HitKeep β |
| Prisme Analytics | open source | Open Source | Self-host | β 136 | DataFast vs Prisme Analytics β |
The picks
7 open source Β· ranked by fit
- 01
Umami
open sourceMITSelf-host40knov 2026A lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights.
The catch vs DataFastIt is far shallower for cohorts, retention, experimentation, taxonomy governance and behavioral analysis than Amplitude.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Create an Umami Cloud account or deploy the Node application with Docker Compose and PostgreSQL
- setup
- None for hosted signup; self-hosting requires Docker or Node hosting and a PostgreSQL database
- your data
- A self-hosted deployment stores analytics and account data in PostgreSQL; Umami Cloud stores it in Umami's managed service
- checked
- 2026-11-07
- 02
Plausible
open sourceOpen SourceSelf-host29.8knov 2026Simple, open-source web analytics tool that respects user privacy and provides valuable insights without compromising data protection.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/plausible/analytics/ 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
- 03
OpenWebAnalytics
open sourceOpen SourceSelf-host2.7knov 2026Open-source web analytics platform offering comprehensive visitor tracking, customizable dashboards, and data ownership for websites and applications.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/Open-Web-Analytics/Open-Web-Analytics 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
- 04
Swetrix
open sourceOpen SourceSelf-host1.2knov 2026Privacy-first web analytics with real-time dashboards, session replays, error tracking, A/B testing, and GDPR compliance out of the box. No cookies, no consent banners.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/swetrix/swetrix-api 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
- 05
Betterlytics
open sourceOpen SourceSelf-host180nov 2026GDPR-compliant web analytics with real-time insights, session replay, and funnel tracking. No cookies, no tracking, no consent banners required.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/betterlytics/betterlytics 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
- 06
HitKeep
open sourceOpen SourceSelf-host105nov 2026Self-hosted or managed web analytics with zero external dependencies. Cookie-free tracking, full data sovereignty, and single binary deployment for organizations that own their data.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/PascaleBeier/hitkeep 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
- 07
Prisme Analytics
open sourceOpen SourceSelf-host136nov 2026Prisme offers customizable, GDPR-compliant web analytics with real-time insights, unlimited data retention, and bot filtering.
The catch vs DataFastRequires self-hosting setup, updates, and server maintenance compared to managed DataFast.
Install, platforms & data +
- platforms
- webself-hosteddocker to self-host
- install
- Clone https://github.com/prismelabs/analytics 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
DataFast Head-to-Head Comparisons (2027)
Side-by-side trade-off breakdowns Β· 7 free alternatives
Frequently Asked Questions
Direct answers Β· DataFast open-source replacements
What is the best free alternative to DataFast?+
The top free alternative to DataFast is Umami (open source, MIT). A lightweight, open-source alternative to Google Analytics that respects user privacy and provides valuable insights. Other popular DataFast replacements include Plausible, OpenWebAnalytics, Swetrix.
Can I self-host a free replacement for DataFast?+
Yes. Of the 7 free alternatives to DataFast, 7 can be self-hosted on your own server or local machine: Umami (MIT), Plausible (Open Source), OpenWebAnalytics (Open Source), Swetrix (Open Source), Betterlytics (Open Source), HitKeep (Open Source), Prisme Analytics (Open Source).
How much does switching from DataFast to a free alternative save?+
DataFast starts at $35/month per seat ($420/year). Switching a 5-person team to a free alternative like Umami saves $2,100 per year in software subscription fees.
Should I vibe-code or build my own DataFast clone from scratch?+
Our build verdict for DataFast is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for DataFast or rebuilding it from scratch, deploy one of the 7 battle-tested open-source alternatives like Umami.
What is the catch when switching from DataFast to Umami?+
It is far shallower for cohorts, retention, experimentation, taxonomy governance and behavioral analysis than Amplitude.