Persefoni vs SustainIQ: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Persefoni and SustainIQ side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Persefoni
Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Best for you if:
- • You want a free tier before you commit
SustainIQ
Complete ESG reporting solution to measure, monitor, and report on social, environmental, and economic performance.
Best for you if:
- • You want consolidates all ESG data into one platform, simplifying reporting
| At a Glance | Persefoni | SustainIQ |
|---|---|---|
Starts at | Free plan | Not published |
Category | Sustainability & ESG Analytics | Sustainability & ESG Analytics |
Rating | 4.8/5 G2 4.8 · Capterra 4.9 20 reviews | n/a |
Free plan | Yes | No |
Watch out for | Many key features are 'Add-on' in PRO tier | n/a |
Choose Persefoni or SustainIQ?
Choose Persefoni if
- You want a free tier before you commit
- You want comprehensive coverage of Scope 1, 2, and 3 emissions
- You want AI-driven tools enhance accuracy and efficiency in carbon accounting
Choose SustainIQ if
- You want consolidates all ESG data into one platform, simplifying reporting
- You want significantly reduces time spent on ESG, CSR, and sustainability reporting
In-Depth Analysis
Persefoni
Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision.
Persefoni's pricing structure is opaque, with only a 'Start for free' PRO tier and 'Request a demo' for the ADVANCED tier.
Watch out
Many key features are 'Add-on' in PRO tier
Strengths
- Pro: Comprehensive coverage of Scope 1, 2, and 3 emissions
- Pro: AI-driven tools enhance accuracy and efficiency in carbon accounting
- Pro: Strong focus on regulatory compliance, including specific solutions for California SB 253 and SB 261
- Pro: Expert support and advisory services from sustainability and regulatory specialists
- Pro: High data security and assurance standards (SOC 1 Type II, SOC 2 Type II, ISO 27001, ISO 27017)
Weaknesses
- Con: Specific pricing tiers and detailed feature breakdowns for each tier are not immediately transparent without requesting a demo or signing up.
- Con: Some advanced AI features like natural language emission factor mapping are listed as "coming soon".
Key features
SustainIQ
Complete ESG reporting solution to measure, monitor, and report on social, environmental, and economic performance.
Strengths
- Pro: Consolidates all ESG data into one platform, simplifying reporting.
- Pro: Significantly reduces time spent on ESG, CSR, and sustainability reporting.
- Pro: Enhances competitiveness in public procurement tendering.
- Pro: Provides quantifiable evidence of sustainability efforts for tenders and reports.
- Pro: Assists with a wide range of national and international compliance standards.
Weaknesses
- Con: Specific pricing details are not publicly available.
- Con: Requires initial data input and integration to fully leverage its capabilities.
Key features
Plans and prices: Persefoni vs SustainIQ
| Tool | Plans and prices | Source |
|---|---|---|
| Persefoni |
| persefoni.com/pricing read Nov 2, 2026 |
| SustainIQ | No plan prices on file | sustainiq.com |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Persefoni pricing and SustainIQ pricing.
Key Takeaways
Persefoni
- Has a free plan
SustainIQ
- Choose if you want complete ESG reporting solution to measure, monitor, and report on social, environmental, and economic performance
What the data shows
On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair.
- Only Persefoni has a published user rating (4.8/5 from 20 reviews); SustainIQ has none we can show.
- Only Persefoni has a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Persefoni and SustainIQ compare in 2026?
On the data below, Persefoni leads on a free plan. We do not name an overall winner for this pair. Only Persefoni has a published user rating (4.8/5 from 20 reviews); SustainIQ has none we can show. Only Persefoni has a free plan.
What are Persefoni and SustainIQ used for?
Persefoni: Measure, report, and decarbonize your organization's carbon footprint with AI-powered precision. SustainIQ: Complete ESG reporting solution to measure, monitor, and report on social, environmental, and economic performance.
What does Persefoni cost vs SustainIQ?
Persefoni has no public paid-plan price on file. SustainIQ has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Nov 2, 2026.
What's the main difference between Persefoni and SustainIQ?
Persefoni's main strength: comprehensive coverage of Scope 1, 2, and 3 emissions. SustainIQ's main strength: consolidates all ESG data into one platform, simplifying reporting.