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Comparison · Analytics
Calibre vs Fulcrum
A side-by-side editorial comparison of Calibre and Fulcrum — release velocity, themes, recent moves, and the top alternatives to consider.
Calibre vs Fulcrum: at a glance
| Feature | Calibre | Fulcrum |
|---|---|---|
| Sector | Analytics | Analytics |
| Velocity score | 5.0 | 6.3 |
| Sparks · 30d | 0 | 1 |
| Top themes | web-performance, rum, deployment-attribution, core-web-vitals | field data collection, ai assistant, mobile, gis |
| Last editorial update | 2mo ago | 1d ago |
| Website | Visit → | — |
What is Calibre?
Calibre is tying every performance number back to the deploy that caused it.
The August release brings deployments into Real User Monitoring: deploy markers run along the bottom of charts, hovering one reveals the commit, author, and time, and clicking through opens the commit in source control, with each deployment compared against the previous. The same day, Synthetic metrics moved from one page at a time to median aggregates across all pages, segmented by test profile, deployment, and page — so a regression can be identified as site-wide or isolated. Before that: automatic measurement of soft navigations in single-page apps, a site-scan crawler that discovers and maintains the monitored page list on its own, self-service SAML SSO with SCIM on the Team plan, and an organisation-wide audit log that exports as NDJSON or streams to a SIEM over signed webhooks.
What is Fulcrum?
Fulcrum turns on Insights, its AI assistant for field data, for every customer.
Fulcrum, a field data collection platform, opened Insights to all customers on all plans as a public beta, on by default. Users ask questions in plain language across up to five apps and get charts, maps and tables, with an org-level off switch. Around it, web, iOS and Android releases fixed map, GPS and photo markup issues and tuned Photo FastFill and Insights styling.
Calibre vs Fulcrum: editorial side-by-side
Calibre
5.0ANALYTICS
Calibre is tying every performance number back to the deploy that caused it.
◆ Current state
The August release brings deployments into Real User Monitoring: deploy markers run along the bottom of charts, hovering one reveals the commit, author, and time, and clicking through opens the commit in source control, with each deployment compared against the previous. The same day, Synthetic metrics moved from one page at a time to median aggregates across all pages, segmented by test profile, deployment, and page — so a regression can be identified as site-wide or isolated. Before that: automatic measurement of soft navigations in single-page apps, a site-scan crawler that discovers and maintains the monitored page list on its own, self-service SAML SSO with SCIM on the Team plan, and an organisation-wide audit log that exports as NDJSON or streams to a SIEM over signed webhooks.
◆ Where it's heading
Calibre is closing the loop between a metric moving and someone knowing why. Deployment attribution supplies the cause, the all-pages segmentation supplies the scope, and soft-navigation measurement fills the blind spot that made SPA numbers untrustworthy in the first place. Running alongside that is a distinctly enterprise track — SSO, SCIM, and an audit log with SIEM streaming are procurement requirements, and putting SAML on the Team plan rather than reserving it for Company is a deliberate move down-market with them.
◆ Prediction
Expect deployment attribution to grow into alerting — a regression tied to a specific commit is the natural trigger for a notification, and the pieces are now all in place. How far the site-scan crawler is meant to replace manual page management is not yet clear from these entries.
Fulcrum
6.3ANALYTICS
Fulcrum turns on Insights, its AI assistant for field data, for every customer.
◆ Current state
Fulcrum, a field data collection platform, opened Insights to all customers on all plans as a public beta, on by default. Users ask questions in plain language across up to five apps and get charts, maps and tables, with an org-level off switch. Around it, web, iOS and Android releases fixed map, GPS and photo markup issues and tuned Photo FastFill and Insights styling.
◆ Where it's heading
Fulcrum is adding AI at both ends of its workflow: FastFill extracts data from photos and audio at capture, and Insights answers questions about the data afterwards. Mobile releases stay focused on reliability for GPS and map features still in beta.
◆ Prediction
Expect Insights to move toward general availability or paid packaging once the beta collects usage, and GPS Integration to leave beta after the current fix cycle.
Alternatives to Calibre and Fulcrum
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Calibre or Fulcrum.
OpenReplay
OpenReplay moves its Go backend to pgx v5 and patches vulnerable deps across 1.25–1.27.
Basedash
Basedash automations can now attach scheduled CSV exports to Slack and email.
OpenPanel
OpenPanel tags three more note-free builds in one evening, reaching 3.16.4.
Holistics
Holistics lets admins put a key dashboard on everyone's Home page.
OpenHouse
OpenHouse locks down its column-defaults capability flag as default values near completion.
See all Calibre alternatives → · See all Fulcrum alternatives →
Recent activity from Calibre and Fulcrum
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoFulcrumiOS 2610.2.0: GPS map-mode, report timeout and sync fixes
- 1d agoFulcrumAndroid 2610.2.0: location dot, permissions and GPS data fixes
- 6d agoFulcrumWeb: map and filter fixes, Google Maps link on records
- 7d agoFulcrumiOS 2610.1.0: ArcGIS tracking and GPS metadata fixes
- 8d agoFulcrumInsights AI assistant opens to all customers in public beta ⚡
- 8d agoFulcrumAndroid 2610.1.0: Photo FastFill styling, faster annotation
- 2mo agoCalibreSynthetic Metrics: All pages, segmented by Test Profile and Deployment
- 2mo agoCalibreSee the performance impact of every website deployment
- 3mo agoCalibreMonitor Single Page App performance with soft navigations
- 3mo agoCalibreSynthetic site scan, a new way to import and monitor your site
- 3mo agoCalibreSelf-service SAML Single Sign-On, now available on the Team plan
- 4mo agoCalibreAudit log: a complete record of security and admin activity
Frequently asked questions
What is the difference between Calibre and Fulcrum?
They serve adjacent needs but don't currently overlap on shipped themes. Fulcrum is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Calibre better than Fulcrum?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Fulcrum is currently shipping more aggressively (velocity 6.3 vs 5.0), with 1 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to Calibre?
Top Calibre alternatives in Analytics are ranked by recent ship velocity. Browse the "Calibre alternatives" section above for the current picks, or visit /alternatives/calibreapp for the full list with editorial commentary on each.
What are the best alternatives to Fulcrum?
Top Fulcrum alternatives in Analytics are ranked by recent ship velocity. Browse the "Fulcrum alternatives" section above for the current picks, or visit /alternatives/fulcrum for the full list with editorial commentary on each.