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Head-to-head · Carbon Accounting Software

Persefoni vs CarbonAnalytics

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Persefoni #6 in Carbon Accounting Software 8.9/10 Free plan Free plan✓ 3 of 3 features Visit Persefoni
CarbonAnalytics #9 in Carbon Accounting Software 8.6/10 14-day trial Free trial✓ 3 of 3 features Try CarbonAnalytics

Persefoni leads on 1 check, CarbonAnalytics on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePersefoni · 8.9/10
  • Free planonly Persefoni
  • Free trialonly CarbonAnalytics

Persefoni scores higher on our rubric for carbon accounting software: 8.9 against 8.6 out of 10; our editors rank them #6 and #9.

Persefoni offers free plan; CarbonAnalytics doesn't.

Persefoni is the better fit for teams seeking a free entry point. CarbonAnalytics is the better fit for growing organizations wanting transparent pricing.

  • Persefoni fits best

    Teams seeking a free entry point

  • CarbonAnalytics fits best

    Growing organizations wanting transparent pricing

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Persefoni 8.9/10 Visit ↗ CarbonAnalytics 8.6/10 Visit ↗
At a glance
Editor score 8.9 8.6
Ranking #6 in Carbon Accounting Software #9 in Carbon Accounting Software
Best for Teams seeking a free entry point Growing organizations wanting transparent pricing
Pricing model Free plan + paid Paid
Starting price — £671.99/unit/yr
Free plan ✓ (best) —
Free trial — 14 days
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email, Docs · 24/7
Compliance SOC 2, ISO 27001, GDPR, SSO/SAML, 2FA SOC 2, GDPR
Integrations 6 integrations 13 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Persefoni 3/3 · CarbonAnalytics 3/3
Supplier engagement ✓ ✓
Audit trail ✓ ✓
API access ✓ ✓
Specs
Scope coverage Scope 1-3 Scope 1-3
Data collection Both Both
Emissions factors Both Both
Our review
Pros
  • Free Pro plan includes Scope 1, 2, and 3 accounting
  • Transparent Footprint Ledger and audit history support review workflows
  • Integrations, supplier exchange, and AI anomaly detection broaden data collection
  • Tracks Scope 1, 2 and all 15 Scope 3 categories
  • Automates data collection, validation and compliance reporting
  • Connects with ERP, procurement, logistics and sustainability platforms
Cons
  • Advanced analytics and decarbonization planning require the Advanced plan
  • Advanced plan pricing is handled through a demo
  • Pro is positioned for low to medium operational complexity
  • Starter includes basic automation rather than advanced workflows
  • Priority support and guided onboarding start with Pro
  • SLA guarantees are listed only on the Growth plan
Our verdict

Persefoni is a cloud-based carbon accounting and sustainability management platform for organizations measuring, reporting, and reducing greenhouse-gas emissions. It supports Scope 1, 2, and 3 accounting, emissions-factor management,…

Read the review →

CarbonAnalytics is a cloud carbon accounting platform for organizations measuring, analyzing, reporting and reducing greenhouse-gas emissions. It covers Scope 1, Scope 2 and all 15 Scope 3 categories, combining emissions tracking with…

Read the review →
  1. PersefoniCarbon Accounting Software 8.9Free plan
  2. CarbonAnalyticsCarbon Accounting Software 8.614-day trial

Strengths and trade-offs

  • Persefoni — where it wins

    • Free Pro plan includes Scope 1, 2, and 3 accounting
    • Transparent Footprint Ledger and audit history support review workflows
    • Integrations, supplier exchange, and AI anomaly detection broaden data collection

    Where it doesn't

    • Advanced analytics and decarbonization planning require the Advanced plan
    • Advanced plan pricing is handled through a demo
    • Pro is positioned for low to medium operational complexity
  • CarbonAnalytics — where it wins

    • Tracks Scope 1, 2 and all 15 Scope 3 categories
    • Automates data collection, validation and compliance reporting
    • Connects with ERP, procurement, logistics and sustainability platforms

    Where it doesn't

    • Starter includes basic automation rather than advanced workflows
    • Priority support and guided onboarding start with Pro
    • SLA guarantees are listed only on the Growth plan

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update