Software Alternatives & Startups

Fathom Analytics VS Upstack Data

Compare Fathom Analytics VS Upstack Data and see what are their differences

Fathom Analytics

Simple, trustworthy website analytics (finally)

Rating
0 reviews
Pricing
Open source $14 / Monthly (100,000 Pageviews)
Upstack Data

Server-side tracking and identity resolution for Shopify brands.

Rating
0 reviews
Pricing
Paid Free trial $249 / Monthly (Up to 10,000 orders*/month)
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Fathom Analytics seems to be more popular. It has been mentioned 67 times since March 2021.

social mentions
67 vs 0
Analytics popularity
100% vs 0%
alternatives listed
240+ vs 4

Base details

Website, pricing, platforms and company facts side by side.

Fathom Analytics
Upstack Data
Website usefathom.com upstackdata.com
Pricing
Open source $14 / Monthly (100,000 Pageviews) Official pricing
Paid Free trial $249 / Monthly (Up to 10,000 orders*/month) Official pricing
Platforms —
Facebook Instagram TikTok Google Klaviyo +2
Company Startup from Canada Startup from the United States · 1 - 9 employees · 2023
Listed in

About Fathom Analytics and Upstack Data

In their own words, as submitted to SaaSHub.

Fathom Analytics
Upstack Data

No description of Fathom Analytics yet.

Upstack Data is the #1 Most Reliable Ad Tracking Software For Shopify. We help ecommerce brands identify, enrich, and activate first-party data to lower acquisition costs and drive advertising results. Our server-side tracking captures 99.9% of conversion events and delivers a 90%+ event match...

Read more about Upstack Data

Features and specs

What each product offers, as listed by its team.

Fathom Analytics 6 features
Upstack Data 8 features
  • Privacy-Focused
    Fathom Analytics prides itself on being privacy-focused, ensuring that user data is not sold or shared, and complies with privacy laws such as GDPR, CCPA, and PECR.
  • Simplicity
    The platform offers a user-friendly interface that's easy to navigate and understand, making it accessible for users who might not be familiar with complex analytics software.
  • Fast Setup
    Fathom Analytics boasts a quick and straightforward setup process, allowing users to start tracking their website's data within minutes.
  • Lightweight Script
    The tracking script Fathom uses is lightweight, ensuring that it doesn't significantly slow down your website's load times.
  • Data Ownership
    Users have full ownership and control over their data, providing peace of mind about how information is managed and used.
  • Transparent Pricing
    Fathom offers clear and competitive pricing without hidden fees, making budgeting for analytics services straightforward.

Possible disadvantages

  • Limited Features
    Compared to more comprehensive analytics platforms like Google Analytics, Fathom Analytics offers fewer features, which might not meet the needs of users who require in-depth analysis.
  • Customization
    There are fewer customization options available for reports and dashboards, limiting the ability to tailor the platform to specific business needs.
  • Integration
    Fathom Analytics lacks extensive integration capabilities, which can be a drawback for users who rely on seamless integration with a wide variety of tools.
  • Market Penetration
    Being a relatively newer and smaller player in the web analytics market, Fathom Analytics has less brand recognition and fewer community resources compared to giants like Google Analytics.
  • Replace GA4 with comprehensive web analytics
    Track visitor behavior, traffic by channel and referrer, and real-time KPIs like revenue per session and session conversion rate.
  • Cross-device, cross-browser identity resolution
    Go beyond UTM tracking by connecting visitors across browsers, devices, and sessions — reaching a 90%+ match rate versus the ~35% typical of standard setups.
  • Recover more abandoned carts with Upstack ID
    Trigger Klaviyo flows to known customers who'd otherwise appear anonymous — often returning more than the monthly subscription costs.
  • In-platform New Customer CPA & ROAS
    Report NC-CPA and NC-ROAS directly inside the Meta Ads dashboard.
  • Multi-touch attribution
    Identify the most profitable channels to confidently scale what works and cut what doesn't.
  • Cohort analysis of LTV & AOV
    Track customer lifetime value and average order value by cohort over time.
  • Powerful marketing analytics
    Monitor KPIs by channel and watch RPV, LTV, CAC, and CVR improve over days, weeks, and years.
  • Enterprise features at half the cost
    Built by a bootstrapped team of data engineers focused on the meaty middle. No contracts, no salespeople, no venture capital.

Analysis

An editorial look at what each product does well and who it suits.

Fathom Analytics
Upstack Data

No analysis of Fathom Analytics yet.

Overall verdict

  • I don't have verified, up-to-date information about upstackdata.com specifically, so I can't confirm its legitimacy, quality, or reputation. Before using it, independently verify company registration, read third-party reviews (Trustpilot, BBB, G2), check for transparent pricing and data-sourcing/privacy policies, and test customer support responsiveness.

Why this product is good

  • No verified independent reviews or reputation data could be confirmed for this specific domain
  • Data-related services vary widely in quality, compliance, and sourcing ethics, so claims should be validated directly
  • Legitimacy checks (business registration, SSL, privacy policy, refund/support terms) are essential before trusting any data vendor

Recommended for

  • Users who first verify the company's credentials, reviews, and data compliance practices
  • Businesses needing data services who are willing to test with a small trial or paid pilot before committing
  • Not recommended for immediate large-scale use without independent due diligence

Videos

Walkthroughs and reviews on video.

Fathom Analytics 2 videos + Add
Upstack Data 0 videos + Add

FATHOM ANALYTICS REVIEW 🌟 INSTALL 💸 $100 (OPEN SOURCE)

More videos

  • - Fathom Analytics, One-Click DigitalOcean installation guide

No Upstack Data videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Fathom Analytics
Upstack Data
100% 100%
0% 0%
0% 0%
100% 100%
99% 99%
1% 1%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Fathom Analytics and Upstack Data.

Who are some of the biggest customers of your product?

Upstack Data's answer:

Upstack Data works with DTC Shopify brands including Perfect White Tee, Maelove, Labucq, Printfresh, Champo, Paire, Montreal Weights, and Aquarium Co-op.

What's the story behind your product?

Upstack Data's answer:

Upstack Data was founded by Michael Alt to solve a problem hurting Shopify brands: browser-based tracking quietly loses data to iOS restrictions, ad blockers, and cookie expiration, leaving ad platforms optimizing on incomplete information. By capturing conversion events server-side and resolving visitor identity across devices, Upstack Data gives Meta, Google, and Klaviyo the data they need to optimize for buyers, not browsers — helping brands drive 7- and 8-figure growth and recover millions in revenue.

Which are the primary technologies used for building your product?

Upstack Data's answer:

Upstack Data is built on server-side event capture through the Conversion API (CAPI), a cross-device identity resolution engine (Upstack ID), a multi-touch attribution model, and native Klaviyo integration for abandonment recovery.

How would you describe the primary audience of your product?

Upstack Data's answer:

DTC Shopify brands running Meta, Google, and TikTok ads — typically those spending $50K–$5M per month on advertising who want to reduce the data loss caused by iOS restrictions, ad blockers, and cookie expiration.

What makes your product unique?

Upstack Data's answer:

Most tools track anonymous actions. Upstack Data resolves the actual identity of visitors across browsers, devices, and sessions, then sends that enriched data to Meta, Google, and Klaviyo in a form they can act on — driving lower CAC, better attribution, and more recovered revenue. The result is a 90%+ Meta CAPI match rate, versus the ~35% typical of standard implementations.

Why should a person choose your product over its competitors?

Upstack Data's answer:

Upstack Data replaces a multi-tool stack — like Elevar plus Triple Whale — with a single server-side tracking and identity resolution platform, at a fraction of the cost. Setup takes about 30 minutes with no developer required, and every plan comes with a 10-day free trial and a 60-day money-back guarantee.

User comments

Share your experience with using Fathom Analytics and Upstack Data. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Fathom Analytics no reviews yet
Upstack Data no reviews yet

We have no reviews of Upstack Data yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Fathom Analytics 67 mentions
Upstack Data 0 mentions
  • Fathom Analytics vs Umami: Which Fits Your Website?
    AI referrals are human visits whose browser sends a recognizable AI-tool referrer. Fathom's current site says teams can explore AI referrals and filter the dashboard to see what those visitors do. Give it credit for that; this is no... - Source: dev.to / 2 days ago
  • Migrating Off Google Analytics: Umami vs Plausible vs Fathom
    So this post is about something I've been chewing on for months but finally moved on: ripping Google Analytics out of three side projects and picking a privacy-focused alternative. Specifically, I'll compare Umami, Plausible, and Fathom... - Source: dev.to / 5 months ago
  • Google Analytics Alternatives: Umami vs Plausible vs Fathom in 2026
    Fathom is the most "premium" option. No self-hosted version — it's a paid product, and they lean into that. The upside is it just works, with excellent uptime and performance. - Source: dev.to / 5 months ago

View more

Tracking Upstack Data since Dec 2024.

Alternatives to Fathom Analytics and Upstack Data

When comparing Fathom Analytics and Upstack Data, you can also consider the following products.