Best Carbonfact Alternatives in 2026
Updated
20 apps from carbon accounting software ranked against Carbonfact on the same published basis.
- 2Carbonfact vs CarbonTool
- 3Carbonfact vs Greenio
- 4Carbonfact vs Persefoni
- 5Carbonfact vs CO2 AI
- 6Carbonfact vs Normative
- 7Carbonfact vs BigMile
- 8Carbonfact vs CarbonAnalytics
- 9Carbonfact vs CarbonChain
- 10Carbonfact vs ACT Group Decarbonization Platform
- 11Carbonfact vs CarbonInk
- 12Carbonfact vs CarbonSmart
- 13Carbonfact vs Carbonstop Ccloud
- 14Carbonfact vs EcoReko
- 15Carbonfact vs Hedgehog Carbon Platform
- 16Carbonfact vs Plan A
- 17Carbonfact vs SINAI Technologies
- 18Carbonfact vs Sweep
- 19Carbonfact vs Vaayu
- 20Carbonfact vs Watershed
- 21Carbonfact vs 50X Impact
Carbonfact alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | CarbonTool | 6.9 | Free plan | $166.67/mo | API, Web |
| 3 | Greenio | 6.9 | Free plan | ₹2,999/mo | API, Web |
| 4 | Persefoni | 6.8 | Free plan | Free | API, Web |
| 5 | CO2 AI | 6.4 | No | — | API, Web |
| 6 | Normative | 6.3 | No | — | Web |
| 7 | BigMile | 6.1 | No | — | API, Web |
| 8 | CarbonAnalytics | 6.1 | No | £69.99/mo | API, Web |
| 9 | CarbonChain | 6.0 | No | — | API, Web |
| 10 | ACT Group Decarbonization Platform | 5.8 | No | — | Web |
| 11 | CarbonInk | 5.8 | No | — | Windows, Mac |
| 12 | CarbonSmart | 5.8 | No | — | Web |
| 13 | Carbonstop Ccloud | 5.8 | No | — | Web |
| 14 | EcoReko | 5.8 | No | — | Web |
| 15 | Hedgehog Carbon Platform | 5.8 | No | — | Web |
| 16 | Plan A | 5.8 | No | — | API, Web |
| 17 | SINAI Technologies | 5.8 | No | — | Web |
| 18 | Sweep | 5.8 | No | — | Web |
| 19 | Vaayu | 5.8 | No | — | Web |
| 20 | Watershed | 5.8 | No | — | Web |
| 21 | 50X Impact | 5.7 | No | — | Web |
Make your app an alternative to Carbonfact
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Carbonfact alternatives
What is the best alternative to Carbonfact?
CarbonTool, number 2 in carbon accounting software with a score of 6.9 out of 10. The others here: Greenio, Persefoni, CO2 AI and 16 more.
What is the best free alternative to Carbonfact?
CarbonTool is the best-ranked alternative with a free plan. 3 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.