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Independent directory. VektorIndex is not affiliated with or sponsored by any third-party vendor. (VektorIndex's own developer tools are also listed, identified by name.) All specifications are sourced from official vendor documentation and are not independently audited.
Note: Sphera (Carbon & EHS Compliance) and Linear (Project Management) are in different software categories. This comparison may be relevant if you are evaluating them for overlapping use cases. For same-category comparisons, browse Carbon & EHS Compliance tools.

Head-to-Head Specification Audit

Sphera vs Linear

Heavy Industry & Manufacturing Enterprise · Global

Carbon & EHS Compliance

Sphera

Heavy Industry & Manufacturing Enterprise · Global

Visit Sphera

Project Management

Linear

Software Development Project Management · Global

Visit Linear

Specification Matrix

MetricSpheraLinear
Starting PriceCustom pricing$8/mo
API Rate Limit60 req/min200 req/minBetter
Target CountryGlobalGlobal
CategoryCarbon & EHS ComplianceProject Management
Compliance (vendor-stated)EU ETS, ISO 14064, GHG Protocol, REACH, CSRD, TCFDGDPR, SOC2
Hosting RegionsUS-East, EU-West, AP-SingaporeUS-East, EU-West
Native Integrations5 listed6 listedBetter

Sphera — Key Specs

Vendor-stated
  • EHS + carbon + product sustainability in one enterprise platform
  • EU ETS allowance tracking and surrender automation
  • ISO 14064 verified carbon footprint methodology built-in
  • Chemical and process safety module for REACH and HAZMAT
  • Trusted by BASF, Dow, ExxonMobil, Siemens

Linear — Key Specs

Vendor-stated
  • Fastest issue tracker — keyboard-first, sub-100ms UI
  • Linear AI: auto-triage, write issue descriptions, find duplicates
  • SOC 2 Type II, GDPR compliant
  • Best product for engineering teams at seed to Series B

Frequently Asked Questions

Which is lower-priced, Sphera or Linear?+

Sphera uses custom pricing. Linear starts at $8/mo. Contact Sphera directly for a quote.

Which compliance frameworks do Sphera and Linear list?+

Sphera additionally lists EU ETS, ISO 14064, GHG Protocol, REACH, CSRD, TCFD. Linear additionally lists GDPR, SOC2. These are vendor-stated frameworks. VektorIndex has not independently audited these claims.

Which has a higher documented API rate limit — Sphera or Linear?+

Linear has a higher documented API rate limit at 200 req/min versus Sphera at 60 req/min.

Which data hosting regions do Sphera and Linear support?+

Sphera lists hosting regions: US-East, EU-West, AP-Singapore. Linear lists hosting regions: US-East, EU-West. For data residency requirements in Global, confirm exact region configuration directly with each vendor.

Data last updated: 29 August 2026Sourced from official vendor documentation. Not independently audited. Report incorrect information

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