7 Top Alternatives Compared

7 Best Sumday Alternatives for Sustainability Teams 2025

Sumday is an accountant-focused carbon tool, but its finance-led approach and limited governance features leave sustainability teams without the tools they need. Discover the best Sumday alternatives including NetNada's comprehensive platform for in-house climate disclosure excellence.

Head-to-Head Comparison

See how NetNada compares to Sumday across key features and capabilities

Criteria
Sumday
NetNada Recommended
Primary User
Accountants and bookkeepers
Sustainability & ESG professionals
Platform Focus
Financial data to emissions
Complete sustainability management
Independence
Requires accountant involvement
Direct business use (accountant optional)
Governance & Strategy
Not included
Complete CSRD/TCFD frameworks
Task Management
Basic accounting workflows
Advanced sustainability workflows
Scope 3 Approach
Spend-based from accounting data
Multiple methodologies + supplier engagement
Education Focus
Training accountants
Training sustainability professionals
Climate Risk
Not included
Full risk assessment and materiality
Enterprise Features
Growing capability
Full enterprise functionality
Xero Integration
Core feature
Available integration

Key Differentiators

Understanding the fundamental differences between Sumday and NetNada

1

SUSTAINABILITY-LED vs. ACCOUNTING-LED

Sumday

Sumday is designed for accountants to do carbon accounting as an extension of financial work. The accountant controls the process using financial data as the primary input.

  • Accountant controls the process
  • Financial data is primary input
  • Bookkeeping mindset applies to carbon
  • Limited sustainability expertise needed
NetNada Winner

NetNada is designed for sustainability professionals to lead climate disclosure, with multiple data sources and climate science embedded throughout.

  • Sustainability team owns the process
  • Multiple data sources beyond finance
  • Climate science and frameworks embedded
  • Professional sustainability workflows
Winner: NetNada - Climate disclosure requires sustainability expertise, not just accounting skills.
2

COMPLETE INDEPENDENCE vs. ACCOUNTANT DEPENDENCY

Sumday

Sumday requires ongoing accountant involvement for quality outputs. The business can't run comprehensive analysis independently.

  • Can't run comprehensive analysis independently
  • Can't update emissions without accountant review
  • Can't access full platform capabilities alone
  • Can't develop strategy without external help
NetNada Winner

NetNada gives businesses full control of their climate program with optional accountant collaboration rather than dependency.

  • Full platform access for sustainability teams
  • Independent analysis and reporting
  • Optional accountant collaboration
  • In-house expertise development
Winner: NetNada - Internal capability building is better than perpetual consultant dependency.
3

STRATEGIC TOOLS vs. MEASUREMENT FOCUS

Sumday

Sumday provides carbon accounting with basic target tracking. There are no strategic tools for transition planning or scenario analysis.

  • No transition planning tools
  • No scenario analysis
  • No decarbonisation pathways
  • No climate opportunity assessment
NetNada Winner

NetNada includes a complete strategy development toolkit for transition planning, pathway modelling, and business case development.

  • Transition plan templates and frameworks
  • Science-based target setting workflows
  • Pathway modelling and scenario planning
  • Business case and opportunity analysis
Winner: NetNada - Regulation demands strategy, not just historical emissions measurement.
4

GLOBAL FRAMEWORKS vs. BASIC COMPLIANCE

Sumday

Sumday focuses on fundamental carbon accounting principles with basic GHG Protocol alignment and simple reporting templates.

  • Basic GHG Protocol alignment
  • Simple reporting templates
  • No framework-specific guidance
  • Limited international compliance
NetNada Winner

NetNada provides comprehensive framework coverage with specific templates and guidance for each major disclosure framework.

  • CSRD/ESRS with full disclosure templates
  • CDP questionnaire automation
  • TCFD recommendations mapping
  • SBTi validation support
  • AASB S2 Australian compliance
Winner: NetNada - Different frameworks require different approaches; one-size-fits-all doesn't work.
5

ENTERPRISE READINESS vs. SME OPTIMISATION

Sumday

Sumday is optimised for SMEs working with accountants. The accountant-centric model doesn't scale well for enterprise complexity.

  • Limited multi-entity capability
  • Basic user management
  • Simple approval workflows
  • Accountant-centric model doesn't scale
NetNada Winner

NetNada is built for enterprise from day one with unlimited entities, advanced access control, and complex approval hierarchies.

  • Unlimited entities and subsidiaries
  • Advanced role-based access control
  • Complex approval hierarchies
  • Departmental collaboration
  • Scales to thousands of locations
Winner: NetNada - Enterprise complexity requires enterprise-grade architecture.

Top Sumday Alternatives Ranked

We've evaluated the best alternatives based on features, value, ease of use, and completeness

#1

NetNada

Recommended

Complete Sustainability OS

9.8 /10

Overall Score

Features: 10
Value: 10
Ease: 9
Complete: 10

NetNada empowers sustainability teams to lead climate disclosure independently, with complete governance, strategy, and risk tools. Build internal capability rather than perpetual external dependency.

Pros

  • + Direct business control of climate program
  • + Complete four-pillar disclosure capability
  • + NetNada Academy for internal expertise
  • + Enterprise-ready from day one
  • + Transparent pricing from $199/month

Cons

  • - Requires sustainability team engagement
  • - Australian market focus (expanding globally)
Best For: Organisations wanting sustainability teams to lead disclosure with internal capability building.
#2

Avarni

Enterprise AI Automation

8.9 /10

Overall Score

Features: 9
Value: 7
Ease: 9
Complete: 9
External Tool

Avarni offers AI-powered carbon accounting for enterprise customers with strong Scope 3 automation capabilities.

Pros

  • + Strong AI automation
  • + Enterprise support
  • + Good Scope 3 capability
  • + Australian-developed

Cons

  • - Enterprise-only positioning
  • - Custom pricing only
  • - Limited governance tools
  • - No free trial
Best For: Large enterprises wanting AI-powered carbon accounting without accountant involvement.
#3

Unravel Carbon

Global AI Platform

8.7 /10

Overall Score

Features: 9
Value: 8
Ease: 9
Complete: 8
External Tool

Unravel Carbon offers rapid AI-powered measurement with strong Asian supply chain coverage.

Pros

  • + Fast automated measurement
  • + Global supply chain coverage
  • + Good AI capabilities
  • + Direct business use

Cons

  • - Per-user pricing
  • - Limited governance
  • - No integrated education
  • - Regional focus
Best For: Organisations wanting fast AI-powered measurement without accountant dependency.
#4

Climate Zero

Australian Compliance

8.4 /10

Overall Score

Features: 8
Value: 8
Ease: 8
Complete: 8
External Tool

Climate Zero focuses on Australian regulatory compliance with direct business use and local support.

Pros

  • + Strong Australian compliance
  • + Direct business use
  • + Good NGER support
  • + Local team

Cons

  • - Limited global frameworks
  • - Basic governance features
  • - Smaller ecosystem
  • - Less comprehensive Scope 3
Best For: Australian organisations focused on domestic compliance without accountant dependency.
#5

Trace

SME Engagement Focus

8 /10

Overall Score

Features: 8
Value: 8
Ease: 9
Complete: 7
External Tool

Trace provides accessible SME carbon management with employee engagement features.

Pros

  • + Very accessible interface
  • + Good employee engagement
  • + Direct business use
  • + SME-friendly

Cons

  • - Limited enterprise features
  • - Basic reporting
  • - No governance frameworks
  • - Primarily spend-based
Best For: SMEs wanting direct carbon management with employee engagement.
#6

Sumday

Accountant-First Approach

7.9 /10

Overall Score

Features: 7
Value: 8
Ease: 8
Complete: 7
External Tool

Sumday remains a solid choice for organisations wanting their accountant to lead carbon accounting through familiar financial workflows.

Pros

  • + Strong Xero integration
  • + Accountant-familiar interface
  • + Good SME pricing
  • + Financial data leverage

Cons

  • - Requires accountant involvement
  • - Limited governance tools
  • - Basic enterprise features
  • - Dependency model
Best For: SMEs comfortable with accountant-led carbon accounting as an extension of financial services.
#7

Greener

Consumer-Business Hybrid

7.3 /10

Overall Score

Features: 7
Value: 8
Ease: 9
Complete: 6
External Tool

Greener bridges consumer and business carbon tracking with focus on personal footprints.

Pros

  • + Direct user access
  • + Simple interface
  • + Consumer engagement
  • + Mobile-friendly

Cons

  • - Limited business features
  • - No regulatory compliance
  • - Basic reporting
  • - Consumer-focused
Best For: Retail brands wanting consumer engagement alongside basic business measurement.

Frequently Asked Questions

Common questions about switching from Sumday

Can I use Sumday without an accountant?
Sumday is designed around the accountant-client relationship. While businesses can access some features, the platform assumes accountant involvement for quality outputs. NetNada is designed for direct business use with accountant involvement optional.
Does Sumday support CSRD or TCFD reporting?
Sumday focuses on fundamental carbon accounting. CSRD and TCFD require governance frameworks, strategy development, and risk assessment that Sumday doesn't include. NetNada provides complete framework-specific templates and workflows.
What if I want the sustainability team to lead (not accountant)?
Sumday's model centres on accountants leading the process. If your sustainability team wants direct control, you'll face friction. NetNada is designed for sustainability professionals to lead with full platform access and capability.
Is Sumday suitable for organisations with 500+ employees?
Sumday works best for SMEs. Enterprise organisations with complex structures, multiple entities, and sophisticated approval needs typically outgrow Sumday's capabilities. NetNada scales from SME to enterprise seamlessly.
Can Sumday handle multiple subsidiaries and entities?
Sumday has growing multi-entity capability but was designed for simpler structures. Complex corporate hierarchies with consolidation requirements may challenge the platform. NetNada handles unlimited entities with proper consolidation.
Does Sumday include climate risk assessment?
Sumday focuses on emissions measurement rather than broader climate disclosure. Climate risk assessment, materiality analysis, and governance frameworks aren't included. These are essential for TCFD, CSRD, and ISSB compliance.

Ready to Switch from Sumday?

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