Best Arbor Alternatives in 2026
Updated
20 apps from carbon accounting software ranked against Arbor on the same published basis.
- 1Arbor vs Carbonfact
- 2Arbor vs CarbonTool
- 3Arbor vs EcoReko
- 4Arbor vs Greenio
- 5Arbor vs CarbonInk
- 6Arbor vs Hedgehog Carbon Platform
- 7Arbor vs Persefoni
- 8Arbor vs CO2 AI
- 9Arbor vs ACT Group Decarbonization Platform
- 10Arbor vs CarbonSmart
- 11Arbor vs Normative
- 12Arbor vs Plan A
- 13Arbor vs Sweep
- 14Arbor vs BigMile
- 15Arbor vs CarbonAnalytics
- 16Arbor vs GreenStitch
- 17Arbor vs NetNada
- 18Arbor vs TrackZero
- 19Arbor vs Carbon Accounting AI
- 20Arbor vs CarbonChain
Arbor alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Carbonfact | 7.0 | Free plan | Free | API, Web |
| 2 | CarbonTool | 6.9 | Free plan | $166.67/mo | API, Web |
| 3 | EcoReko | 6.9 | Free plan | €375/mo | Web |
| 4 | Greenio | 6.9 | Free plan | ₹2,999/mo | API, Web |
| 5 | CarbonInk | 6.8 | Free plan | Free | Mac, Windows |
| 6 | Hedgehog Carbon Platform | 6.8 | Free plan | €100/mo | Web |
| 7 | Persefoni | 6.8 | Free plan | Free | API, Web |
| 8 | CO2 AI | 6.4 | No | — | API, Web |
| 9 | ACT Group Decarbonization Platform | 6.3 | No | — | Web |
| 10 | CarbonSmart | 6.3 | No | — | API, self-hosted, Web |
| 11 | Normative | 6.3 | No | — | Web |
| 12 | Plan A | 6.3 | No | — | API, Web |
| 13 | Sweep | 6.3 | No | — | Web |
| 14 | BigMile | 6.1 | No | — | API, Web |
| 15 | CarbonAnalytics | 6.1 | No | £69.99/mo | API, Web |
| 16 | GreenStitch | 6.1 | No | $250/mo | API, Web |
| 17 | NetNada | 6.1 | No | — | API, self-hosted, Web |
| 18 | TrackZero | 6.1 | No | £24.58/mo | Web |
| 19 | Carbon Accounting AI | 6.0 | No | $390/mo | Web |
| 20 | CarbonChain | 6.0 | No | — | API, Web |
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Questions about Arbor alternatives
What is the best alternative to Arbor?
Carbonfact, number 1 in carbon accounting software with a score of 7.0 out of 10. The others here: CarbonTool, EcoReko, Greenio and 16 more.
What is the best free alternative to Arbor?
Carbonfact is the best-ranked alternative with a free plan. 7 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.