# The Top 3 Easiest To Use Carbon Accounting Software

See the top Carbon Accounting Software products based on usability ratings. A product’s usability score is calculated by a[proprietary algorithm](https://sell.g2.com/g2-scoring-methodologies)that factors in real user satisfaction ratings of how easy the product is to administer, as well as how well the product meets business requirements, among other ratings. Compare products according to their usability scores to streamline the buying process and quickly identify the best products based on real user experiences.

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[![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Easiest+To+Use+Carbon+Accounting+Software+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fcarbon-accounting%3Ftab%3Deasiest_to_use%0aSee+the+top+Carbon+Accounting+Software+products+based+on+usability+ratings.+Compare+products+according+to+their+usability+scores+to+streamline+the+buying+process+and+quickly+identify+the+best+products+based+on+real+user+experiences)

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The Top 3 Easiest To Use Carbon Accounting Software

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[![gmail](/assets/social-logos/gmail-6db42f21e7c254fae201b112bef0dd15d25223a5cbb32691ce80eab43761eadf.svg "gmail")](https://mail.google.com/mail/?view=cm&fs=1&tf=1&to=&su=Easiest+To+Use+Carbon+Accounting+Software+%7C+G2&body=https%3A%2F%2Fwww.g2.com%2Fcategories%2Fcarbon-accounting%3Ftab%3Deasiest_to_use%0aSee+the+top+Carbon+Accounting+Software+products+based+on+usability+ratings.+Compare+products+according+to+their+usability+scores+to+streamline+the+buying+process+and+quickly+identify+the+best+products+based+on+real+user+experiences)

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[Collapse AllExpand All](#)

Usability Score

Compare

[Expand/Collapse Trace](#)

#1

[![Trace](https://images.g2crowd.com/uploads/product/hd_favicon/f4029d99b4b6dc0b2aaff6c7b88de07e/trace-2025-03-07.svg "Trace")](/products/trace-2025-03-07/reviews)

[Trace](/products/trace-2025-03-07/reviews)

8.7

[Expand/Collapse Trace](#)

Overall Usability Score

8.7

Usability Score Breakdown

Ease of Admin

Average: 9.1

9.8

Ease of Use

Average: 8.6

9.8

Meets Requirements

Average: 8.7

9.3

Customer Segment Breakdown

Small Business

60%

Mid Market

33%

Enterprise

7%

[Expand/Collapse KEY ESG](#)

#2

[![KEY ESG](https://images.g2crowd.com/uploads/product/hd_favicon/be33ab14ea0d4a8a8cdedfdb106c1d7a/key-esg.svg "KEY ESG")](/products/key-esg/reviews)

[KEY ESG](/products/key-esg/reviews)

7.8

[Expand/Collapse KEY ESG](#)

Overall Usability Score

7.8

Usability Score Breakdown

Ease of Admin

Average: 9.1

8.7

Ease of Use

Average: 8.6

8.7

Meets Requirements

Average: 8.7

8.7

Customer Segment Breakdown

Small Business

38%

Mid Market

52%

Enterprise

10%

[Expand/Collapse osapiens](#)

#3

[![osapiens](https://images.g2crowd.com/uploads/product/hd_favicon/bd9162a83529b827a23eb4503b8a20e1/osapiens%282%29.svg "osapiens")](/products/osapiens/reviews)

[osapiens](/products/osapiens/reviews)

7.7

[Expand/Collapse osapiens](#)

Overall Usability Score

7.7

Usability Score Breakdown

Ease of Admin

Average: 9.1

8.7

Ease of Use

Average: 8.6

7.4

Meets Requirements

Average: 8.7

8.1

Customer Segment Breakdown

Small Business

16%

Mid Market

29%

Enterprise

55%