Shift4
Shift4 Venue Q4-R2 is on canary venues now, with global release set for November 17.
Comparison · Finance
Fathom vs Firefly III
A side-by-side editorial comparison of Fathom and Firefly III — release velocity, themes, recent moves, and the top alternatives to consider.
Fathom vs Firefly III: at a glance
| Feature | Fathom | Firefly III |
|---|---|---|
| Sector | Finance | Finance |
| Velocity score | 2.5 | 5.0 |
| Sparks · 30d | 0 | 0 |
| Top themes | financial-reporting, forecasting, consolidations, accounting | personal finance, self-hosted, pre-release, open source |
| Last editorial update | 4mo ago | 12h ago |
| Website | — | Visit → |
What is Fathom?
Fathom keeps deepening consolidations and forecasting, but half its feed is scraped marketing pages.
Fathom is a financial analysis, management-reporting, and cash-flow forecasting tool (part of The Access Group) aimed at accountants and advisors, with consolidated reporting as its center of gravity. The genuine changelog entries show steady, focused work: division-level consolidated financials and a batch of forecasting usability gains. Much of the feed, however, is crawl noise, customer-story pages and scraped 'what's new' listing pages ingested as if they were releases.
What is Firefly III?
Firefly III keeps tagging develop builds daily, still with no release notes.
Firefly III's feed remains automated develop pre-releases. November 12 and 13 added two more develop tags and another boilerplate development release, on top of four on November 12 alone. None includes a changelog.
Fathom vs Firefly III: editorial side-by-side
Fathom
2.5FINANCE
Fathom keeps deepening consolidations and forecasting, but half its feed is scraped marketing pages.
◆ Current state
Fathom is a financial analysis, management-reporting, and cash-flow forecasting tool (part of The Access Group) aimed at accountants and advisors, with consolidated reporting as its center of gravity. The genuine changelog entries show steady, focused work: division-level consolidated financials and a batch of forecasting usability gains. Much of the feed, however, is crawl noise, customer-story pages and scraped 'what's new' listing pages ingested as if they were releases.
◆ Where it's heading
Real product effort concentrates in two areas: deeper consolidated reporting, now able to analyze performance across divisions within a group, and forecasting usability, with bulk driver actions, a higher microforecast limit, and a more interactive cash-flow grid. The direction is incremental depth in the reporting and forecasting core rather than any new capability surface.
◆ Prediction
Expect continued incremental deepening of consolidation and forecasting, more grouping options and forecasting controls, rather than a directional move. Separately, the crawl source needs attention: customer stories and listing pages are polluting the changelog.
Firefly III
5.0FINANCE
Firefly III keeps tagging develop builds daily, still with no release notes.
◆ Current state
Firefly III's feed remains automated develop pre-releases. November 12 and 13 added two more develop tags and another boilerplate development release, on top of four on November 12 alone. None includes a changelog.
◆ Where it's heading
The project is in a pre-release stretch where builds ship several times a day without notes. The feed shows activity but not what is changing.
◆ Prediction
The feed does not show what the next stable release will contain; a tagged version with a changelog is the next thing worth watching.
Alternatives to Fathom and Firefly III
Other Finance products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Fathom or Firefly III.
Payhawk
Payhawk adds SWIFT payment tracking and a DualEntry ledger sync as ERP coverage widens
TaxDome
TaxDome Pipelines now remember your filters, and long task names stop getting cut off.
LNbits
LNbits 1.7.1 follows the urgent 1.7.0 fix by rotating auth keys.
Kolleno
Kolleno is stretching from collections software toward the whole cash cycle.
Zoho Billing
Zoho Billing turns its reports toward churn and line-item revenue.
See all Fathom alternatives → · See all Firefly III alternatives →
Recent activity from Fathom and Firefly III
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 14h agoFirefly IIIFirefly III develop build 2026-11-13 (22:20)
- 1d agoFirefly IIIFirefly III develop tag 2026-11-13
- 1d agoFirefly IIIFirefly III develop tag 2026-11-12 (5)
- 1d agoFirefly IIIFirefly III develop tag 2026-11-12 (4)
- 1d agoFirefly IIIFirefly III develop build 2026-11-12 (afternoon)
- 2d agoFirefly IIIFirefly III develop build 2026-11-12 (10:52)
- 4mo agoFathomConsolidated Financials by Division
- 6mo agoFathomForecasting Improvements
- 6mo agoFathomCustomer story: Haydenshapes surfboards
- 6mo agoFathomFathom adds FreeAgent integration
- 7mo agoFathomCustomer story: MAP
- 7mo agoFathomForecast snapshots and actual v forecast reporting
Frequently asked questions
What is the difference between Fathom and Firefly III?
They serve adjacent needs but don't currently overlap on shipped themes. Firefly III is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Fathom better than Firefly III?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Firefly III is currently shipping more aggressively (velocity 5.0 vs 2.5), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Finance products to evaluate alongside.
What are the best alternatives to Fathom?
Top Fathom alternatives in Finance are ranked by recent ship velocity. Browse the "Fathom alternatives" section above for the current picks, or visit /alternatives/fathomhq for the full list with editorial commentary on each.
What are the best alternatives to Firefly III?
Top Firefly III alternatives in Finance are ranked by recent ship velocity. Browse the "Firefly III alternatives" section above for the current picks, or visit /alternatives/firefly-iii for the full list with editorial commentary on each.