Persefoni vs Sweep

Persefoni8.9Visit Sweep8.8Visit

Higher score Persefoni #6 in Carbon Accounting Software 8.9/10 Free plan Free plan✓ 3 of 3 features Visit Persefoni

vs

Sweep #7 in Carbon Accounting Software 8.8/10 Pricing on request ✓ 3 of 3 features Visit Sweep

• Persefoni fits best

  Teams seeking a free entry point

• Sweep fits best

  Complex value-chain and product footprints

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Side by side

Feature	Persefoni 8.9/10 Visit ↗	Sweep 8.8/10 Visit ↗
At a glance
Editor score	8.9	8.8
Ranking	#6 in Carbon Accounting Software	#7 in Carbon Accounting Software
Best for	Teams seeking a free entry point	Complex value-chain and product footprints
Pricing model	Free plan + paid	Paid
Starting price	—	Pricing on request
Free plan	✓ (best)	Not checked yet
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Compliance	SOC 2, ISO 27001, GDPR, SSO/SAML, 2FA	SOC 2, ISO 27001
Integrations	6 integrations	8 integrations
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Persefoni 3/3 · Sweep 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	Covers Scope 1–3 across entities, sites, products, and suppliers Supports supplier data collection, workflows, approvals, and audit trails Includes lifecycle footprints, scenario modeling, and target setting
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	Core pricing requires contacting sales Web-only access may not suit teams seeking native mobile or desktop apps Its broad feature set may require substantial data and workflow coordination
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 →	Sweep is a cloud sustainability platform for organizations measuring, reporting, and reducing greenhouse-gas emissions. It supports Scope 1, 2, and 3 accounting across entities, sites, products, and suppliers, making it suited to midmarket… Read the review →

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

• Sweep — where it wins

  • Covers Scope 1–3 across entities, sites, products, and suppliers
  • Supports supplier data collection, workflows, approvals, and audit trails
  • Includes lifecycle footprints, scenario modeling, and target setting

  Where it doesn't

  • Core pricing requires contacting sales
  • Web-only access may not suit teams seeking native mobile or desktop apps
  • Its broad feature set may require substantial data and workflow coordination

• Persefoni8.9/10 · Free plan

  A free entry point for Scope 1–3 accounting with audit-ready workflows and integrations.

  Visit PersefoniFull verdict →
• Sweep8.8/10 · Pricing on request

  A broad carbon accounting platform for detailed corporate, product, and supplier footprints.

  Visit SweepFull verdict →