battles / Analytics
FullStory vs Northbeam
FullStory ($850/mo/mo, vibe code 3/10) vs Northbeam ($2,500/mo/mo, vibe code 3/10). FullStory is the easier one to rebuild yourself — here is what you lose either way.
Analytics
$850/mo/mo
- MVP
- 1 week
- Full replacement
- 12-24 months, due to massive DOM storage scale, real-time query engines, and client-side PII masking.
easier to rebuild
get the build prompt →Analytics
$2,500/mo/mo
- MVP
- 3-4 weeks
- Full replacement
- 12-18 months
price gap / year
$19,800/mo
running both / year
$40,200/mo
our call
Start with FullStory — highest vibe code, weakest moat.
FullStory
Wrapping rrweb into a web app takes a few days, but storing millions of DOM diffs without killing client performance or ballooning cloud database bills requires serious infrastructure engineering. Client-side PII masking, SOC2 compliance, and fast event indexing cannot be prompt-engineered.
you can rebuild
- Client-side DOM event and mutation recording
- Basic session replay video playback
- Console logs and network request capturing
- Simple click and scroll heatmaps
- Basic funnel step tracking
what you lose
- Automated client-side PII and sensitive input field masking before data transmission
- Instant retroactive search over unindexed DOM text and element CSS selectors
- Frustration heuristics like rage clicks, dead clicks, and error clicks
- Enterprise compliance certifications including SOC2 Type II, HIPAA, and GDPR tooling
- High-throughput event ingestion infrastructure optimized for gigabytes of raw DOM diffs
real moats
- Patented client-side DOM capture and event compression engine
- Proprietary retroactive search index over raw DOM mutation streams
- SOC2 Type II, HIPAA, and strict client-side PII masking guarantees
open source escape hatches
- PostHog MIT
- OpenReplay Apache-2.0
- rrweb MIT
Northbeam
Building a simple ROAS dashboard takes two days. Building a resilient, enterprise-grade multi-touch attribution platform that ingests raw clickstream data, survives Safari ITP, runs high-volume ClickHouse aggregations, and stitches identities across channels takes years of data engineering.
you can rebuild
- Standard UTM-based First-Touch, Last-Touch, and Linear attribution reporting dashboards.
- Basic Shopify purchase webhook aggregation and sales visualizers.
- Creative-level performance tables matching UTM content tags to Shopify orders.
- Basic Meta/Google Ads spend ingestion and CAC/ROAS summary cards.
what you lose
- Proprietary Apex conversion signal enrichment for Meta and Google Ad algorithms.
- Integrated Media Mix Modeling (MMM+) engines with weekly Bayesian calibration.
- Dedicated Human Media Strategists and agency-level channel calibration.
- Deterministic view-through attribution engines for non-click ad impressions.
- Cross-brand benchmark insights across thousands of DTC merchants.
real moats
- Multi-year identity mapping databases connecting cross-device click IDs to real purchase histories.
- Direct integration partnerships for Meta CAPI (Apex) feed optimization.
- Proprietary machine learning models for fractional multi-touch attribution and weekly media mix modeling calibration.
Questions people ask
Which is easier to rebuild with AI, FullStory or Northbeam?
FullStory. It scores 3/10 on vibe code with a moat of 5/10, so an AI-assisted MVP takes about 1 week and a full replacement about 12-24 months, due to massive DOM storage scale, real-time query engines, and client-side PII masking..
Which one costs less, FullStory or Northbeam?
FullStory at $850/mo/mo for a typical mid-market store. The gap between the two is about $19,800/mo a year.
What do I lose if I replace FullStory?
Automated client-side PII and sensitive input field masking before data transmission Instant retroactive search over unindexed DOM text and element CSS selectors Frustration heuristics like rage clicks, dead clicks, and error clicks
What do I lose if I replace Northbeam?
Proprietary Apex conversion signal enrichment for Meta and Google Ad algorithms. Integrated Media Mix Modeling (MMM+) engines with weekly Bayesian calibration. Dedicated Human Media Strategists and agency-level channel calibration.
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