Head-to-head · Financial Forecasting Software
OneStream vs Fathom
OneStream leads on 0 checks, Fathom on 3, and 3 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreOneStream · 6.0/10
- Most featuresFathom · 5 of 5
OneStream scores higher on our rubric for financial forecasting software: 6.0 against 5.8 out of 10; our editors rank them #14 and #16.
Fathom offers rolling forecasts; OneStream doesn't publish it. Fathom offers revenue and expense models; OneStream doesn't publish it. Fathom offers multi-entity support; OneStream doesn't publish it.
OneStream is the better fit for core enterprise planning and consolidation. Fathom is the better fit for accounting-led multi-entity forecasting.
- OneStream fits best
Core enterprise planning and consolidation
- Fathom fits best
Accounting-led multi-entity forecasting
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Side by side
| Feature | OneStream 6.0/10 Visit ↗ | Fathom 5.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 6.0 | 5.8 |
| Ranking | #14 in Financial Forecasting Software | #16 in Financial Forecasting Software |
| Best for | Core enterprise planning and consolidation | Accounting-led multi-entity forecasting |
| Pricing model | Paid | Paid |
| Starting price | Not published | Not published |
| Free plan | Not published | — |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Support | Tickets, Community, Docs · 24/7 | Email, Docs |
| Integrations | 250+ integrations | 7 integrations |
| Built for | Enterprise, Mid-market | Small business, Mid-market, Enterprise |
| Features OneStream 2/5 · Fathom 5/5 | ||
| Rolling forecasts | Not published | ✓ (best) |
| Forecast vs actuals | ✓ | ✓ |
| Scenario modeling | ✓ | ✓ |
| Revenue and expense models | Not published | ✓ (best) |
| Multi-entity support | Not published | ✓ (best) |
| Specs | ||
| Data refresh | Not published | Scheduled |
| Our review | ||
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| Our verdict | OneStream is an enterprise finance platform for teams managing budgeting, forecasting, reporting, financial close, and consolidation. Its scope covers finance planning and analysis across departments, business units, entities, and… Read the review → |
Fathom is cloud-based financial reporting, analysis, forecasting and consolidation software for small and medium-sized businesses, business advisors, CFOs, franchises and groups. Its core use case is accounting-led planning across one or… Read the review → |
Strengths and trade-offs
OneStream — where it wins
- Combines planning, forecasting, reporting, and consolidation
- Supports driver-based planning, scenarios, and variance analysis
- Adds workforce planning and AI-assisted anomaly detection
Where it doesn't
- Pricing requires a sales conversation
- Designed for enterprise-wide planning rather than narrow use cases
- Platform support is limited to web and Windows
Fathom — where it wins
- Three-way forecasts cover profit and loss, balance sheet and cash flow
- Scenario planning, rolling forecasts and variance analysis support decision-making
- Consolidation, audit trails and broad accounting integrations fit group reporting
Where it doesn't
- There is no perpetual free plan
- Access is limited to the web platform
- Plans are based on connected companies rather than per-user seats
- OneStream6.0/10 · Pricing on request
A broad enterprise planning suite for budgeting, forecasting, workforce planning, and consolidation.
Visit OneStreamFull verdict → - Fathom5.8/10 · From $59/mo · 14-day trial
A focused choice for accounting-led, multi-entity forecasting and reporting.
Visit FathomFull verdict →
All financial forecasting software comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update