# Fullstory vs Heap (slim)

> Fullstory scores 62.6 (B) on agent readiness against Heap's 53 (D), and leads in 4 of 7 scored categories. Heap leads on reliability. Both do analytics events. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/fullstory-vs-heap.md (~2,050 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/fullstory-vs-heap.json · canonical https://www.anchorterminal.com/compare/fullstory-vs-heap
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Fullstory scores 62.6 (B) on agent readiness against Heap's 53 (D), and leads in 4 of 7 scored categories. Heap leads on reliability. Both do analytics events.

- Fullstory: B 62.6, rank #329 of 722 · https://www.anchorterminal.com/tools/fullstory.min.md
- Heap: D 53, rank #555 of 722 · https://www.anchorterminal.com/tools/heap.min.md
- Fullstory, good for An agent that sends server-side events and user properties, fetches a session's events or an AI summary for support or debugging, or exports a segment. Ahead on Schema & documentation, 62 against 57; Agent ergonomics, 77 against 49; Security & auth, 65 against 41; Transparency & trust, 81 against 64.
- Heap, good for An agent that records backend events or enriches user and account properties in a company's existing Heap project, or that files privacy deletions. Ahead on Reliability, 72 against 65.

| Category | Fullstory | Heap |
| --- | --- | --- |
| Reliability (16%) | 65 | 72 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 62 | 57 |
| Agent ergonomics (13%) | 77 | 49 |
| Security & auth (14%) | 65 | 41 |
| Payments & pricing (10%) | 25 | 25 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 62 | 63 |
| Transparency & trust (7%) | 81 | 64 |

| Fact (where they differ) | Fullstory | Heap |
| --- | --- | --- |
| Vendor | Fullstory, Inc. | Contentsquare (Content Square, Inc.) |
| Hosted endpoint | `https://api.fullstory.com` | `https://heapanalytics.com` |
| Licence | Proprietary service under Fullstory's master services agreement. The skills repository and the Node SDK on GitHub are MIT | Proprietary service under Contentsquare's master services agreement. The React Native bridge and the Node client on npm are MIT |
| llms.txt | no | yes |
| Last release | 2026-10-05 | 2026-10-06 |
| Terms last updated | 2026-05-20 | no date given |
| Privacy policy last updated | 2025-05-19 | couldn't be read |
| Customer content may train models | not found in the text | yes |
| Popularity | 6.4k npm/wk | 213 npm/wk |