Best Carbonfact Alternatives in 2026
Updated
20 tools from carbon accounting software ranked against Carbonfact on the same published basis.
- 1Carbonfact vs CarbonTool
- 2Carbonfact vs Greenio
- 4Carbonfact vs CO2 AI
- 5Carbonfact vs EcoReko
- 6Carbonfact vs CarbonInk
- 7Carbonfact vs GreenStitch
- 8Carbonfact vs Hedgehog Carbon Platform
- 9Carbonfact vs NetNada
- 10Carbonfact vs Persefoni
- 11Carbonfact vs TrackZero
- 12Carbonfact vs BigMile
- 13Carbonfact vs CarbonAnalytics
- 14Carbonfact vs ACT Group Decarbonization Platform
- 15Carbonfact vs CarbonSmart
- 16Carbonfact vs Plan A
- 17Carbonfact vs Normative
- 18Carbonfact vs Sweep
- 19Carbonfact vs Carbon Accounting AI
- 20Carbonfact vs CarbonChain
- 21Carbonfact vs SINAI Technologies
Carbonfact alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | CarbonTool | 7.4 | Free plan | $166.67/mo | API, Web |
| 2 | Greenio | 7.3 | Free plan | ₹2,999/mo | API, Web |
| 4 | CO2 AI | 7.0 | No | — | API, Web |
| 5 | EcoReko | 7.0 | Free plan | €375/mo | Web |
| 6 | CarbonInk | 6.8 | Free plan | Free | Mac, Windows |
| 7 | GreenStitch | 6.8 | No | $250/mo | API, Web |
| 8 | Hedgehog Carbon Platform | 6.8 | Free plan | €100/mo | Web |
| 9 | NetNada | 6.8 | No | — | API, self-hosted, Web |
| 10 | Persefoni | 6.8 | Free plan | Free | API, Web |
| 11 | TrackZero | 6.8 | No | £24.58/mo | Web |
| 12 | BigMile | 6.7 | No | — | API, Web |
| 13 | CarbonAnalytics | 6.7 | No | £69.99/mo | API, Web |
| 14 | ACT Group Decarbonization Platform | 6.6 | No | — | Web |
| 15 | CarbonSmart | 6.6 | No | — | API, self-hosted, Web |
| 16 | Plan A | 6.6 | No | — | API, Web |
| 17 | Normative | 6.5 | No | — | Web |
| 18 | Sweep | 6.5 | No | — | Web |
| 19 | Carbon Accounting AI | 6.4 | No | $390/mo | Web |
| 20 | CarbonChain | 6.3 | No | — | API, Web |
| 21 | SINAI Technologies | 6.0 | No | — | Web |
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Questions about Carbonfact alternatives
What is the best alternative to Carbonfact?
CarbonTool, number 1 in carbon accounting software with a score of 7.4 out of 10. The others here: Greenio, CO2 AI, EcoReko and 16 more.
What is the best free alternative to Carbonfact?
CarbonTool is the best-ranked alternative with a free plan. 6 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.