Hotjar wins on simplicity and price, FullStory wins on data depth, Heap wins on autocapture breadth — pick the wrong one and you'll pay in time or money.
These three tools share a category label but serve fundamentally different buyers. Hotjar at $39/mo targets UX practitioners who need fast heatmaps and recordings. FullStory's enterprise-only paid tiers chase Fortune 500 behavioral data pipelines with patented autocapture and AI agents. Heap, now absorbed into Contentsquare, bets on zero-tagging product analytics for growth teams who need retroactive data — but post-acquisition turbulence is real.
Key takeaways
Winners by dimension
Side-by-side
| Hotjar | Fullstory | Heap (by Contentsquare) | |
|---|---|---|---|
| Free Tier | Free forever: heatmaps, session recordings, surveys — no session cap stated, limited data history | 30,000 sessions/month, 12 months retention, up to 10 users, permanent (not a trial) | 10,000 sessions/month, 6 months data history, no session replay, no AI features |
| Starting Paid Price | $39/month (Plus tier) — publicly listed | Contact sales — no public pricing for any paid tier | Contact sales — Growth tier requires install + custom quote |
| Pricing Model | Freemium, flat-rate tiers ($0 / $39 / $99 / custom) | Session-volume freemium; paid tiers are sales-led enterprise contracts | Usage-based (monthly sessions), tiered with annual contracts required |
| Session Replay | Included in all tiers including free | Included in free (30k sessions) and all paid tiers; tabbed browsing capture on Business+ | Add-on only on Pro tier; included in Premier — not in free or Growth |
| Heatmaps | Unlimited heatmaps on Plus ($39) and above | Click, scroll, conversion maps on Business+ paid tiers | Add-on on Pro; included in Premier only |
| AI Features | Not prominently featured — basic insight tools | StoryAI agents, one-click session summaries, multi-session AI analysis, MCP integration | Sense AI (chat, summaries, follow-ups) on Growth+; Heap Illuminate automated friction detection |
| Autocapture / No-Tag Setup | Snippet-based, captures clicks and scrolls — no manual event tagging needed for heatmaps | Fullcapture™ patented server-side autocapture; 287ms CPU vs. competitor 725ms in benchmarks | Industry-leading autocapture with Visual Event Labeling and retroactive analysis from day one |
| Mobile Analytics | Basic mobile heatmaps; limited native mobile SDK depth | iOS, Android, React Native, Flutter, SwiftUI, Jetpack Compose — on-device PII redaction | iOS, Android, React Native cross-platform capture |
| Data Warehouse Integration | Not a core feature — limited native warehouse connectors | Fullstory Anywhere: BigQuery, Snowflake, real-time behavioral signal activation | Heap Connect: Snowflake, Redshift, BigQuery, S3 — add-on on Pro, included in Premier |
| Notable Customer Logos | 1.3M+ websites; mid-market and SMB dominant; specific logos not prominently disclosed | Chipotle, Fidelity, JetBlue, Lowe's, Gap, Zillow, Peloton, Adobe, DuoLingo | HSBC, GM, Unilever, Intuit, Stripe, Mayo Clinic, McKinsey, Databricks |
| Open Roles (Growth Signal) | Not disclosed — integration into Contentsquare may indicate hiring freeze | 20 open roles: Sales, AI Engineering, Data Infrastructure, International expansion (Australia) | 49 open roles at Contentsquare level: CRO hired March 2026, CS, QA Engineering |
| G2 / Third-Party Rating | Widely used; specific G2 score not disclosed in profile | G2 4.5/5 from 1,000+ reviews; Forrester Wave included Q3 2025 | G2 Leader in Session Replay, Product Analytics, Digital Analytics (Winter 2024) |
Who should pick whom
What we found
Who Each Tool Actually Sells To
Hotjar sells to UX practitioners and digital marketers who want answers in an afternoon — its $39 entry point and no-credit-card signup make it the default first tool for anyone optimizing a landing page. FullStory sells to enterprise product and data teams who need complete behavioral data with privacy guarantees — Fidelity and JetBlue aren't buying heatmaps, they're buying a behavioral data infrastructure. Heap sells to product analytics leaders at growth-stage and Fortune 500 companies who refuse to pre-plan event tracking.
Pricing Strategy Reveals Strategic Intent
Hotjar's transparent $0/$39/$99 ladder is a classic PLG motion — acquire free, convert cheap, expand slowly. FullStory's 30,000-session free tier is a developer-led land grab, but every paid conversation requires sales — signaling an enterprise-first revenue model despite bottom-up acquisition. Heap's opaque 'contact sales for Growth' is the most friction-heavy motion of the three, which correlates with its 28% active domain decline since the Contentsquare acquisition closed.
Where the Real Moat Is in 2026
FullStory's moat is Fullcapture™ — a patented server-side capture architecture that competitors cannot easily replicate, combined with StoryAI and MCP integration that positions it as the behavioral data layer for enterprise AI stacks. Hotjar's moat is brand ubiquity and price — 1.3M websites create massive word-of-mouth. Heap's moat is the Contentsquare platform consolidation: if the PA+DXA+DEM+VOC unified suite delivers, no pure-play competitor can match the breadth.
Post-Acquisition Risk: The Heap Warning Sign
Heap's G2 reviews post-Contentsquare acquisition (December 2023) report increased bugs, degraded support, and reduced product focus. Active domain count dropped 28% from peak. The CRO hire in March 2026 suggests a revenue recovery push, but buyers evaluating Heap today are buying into an integration roadmap, not a finished product. For mission-critical analytics, this execution risk is real and should be weighted against the platform breadth promise.
Deep-dive into each company
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Hotjar wins on price ($39/mo, public pricing, no sales call). FullStory wins on enterprise data depth (patented autocapture, Forrester privacy leader, AI agents). Heap wins on analytics breadth — but lost 28% of active domains since its Contentsquare acquisition.
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