★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: USAspending checked August 4, 2026
Tool Comparison
Firefly III vs USAspending
Pick Firefly III if
Firefly III
Free · Web · API
- You care about portfolio and webhooks, things USAspending doesn't offer
Pick USAspending if
USAspending
Free · Web · API
- You care about data visualizations, videos, and official sources, things Firefly III doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
Firefly III and USAspending cover a lot of the same ground (2 shared categories, APIs & data feeds and other), so for the basics you won't go far wrong with either. The real difference is focus: only Firefly III gives you portfolio and webhooks, and only USAspending gives you data visualizations and videos.
What readers say
Firefly III
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USAspending
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See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | No | — |
Integrations | Salt Edge, GoCardless +2 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 5 |
Regions | — | North America |
| Data & capabilities | ||
Data quality | — | Latency: End of Day and Granularity: EOD |
Security | — | Data residency: US |
| Try it | Visit Firefly III | Visit USAspending |
Where each one shines
What Firefly III and USAspending each do best.ShowHide
Where each one shines
What Firefly III and USAspending each do best.What Firefly III does best
- Self-host a personal finance ledger under the AGPLv3 open-source license rather than using a hosted budgeting app.
- Tracking accounts and transactions with double-entry bookkeeping, budgets, categories, tags, recurring transactions, subscriptions, piggy banks, rules, and reporting.
- The JSON REST API with OAuth2, personal access tokens, and a full OpenAPI specification for dashboards, automations, and personal analytics.
- Optional event webhooks for transaction create, update, and delete events when enabled through environment configuration.
- Import support for transaction data through the separate Firefly III Data Importer, CSV and CAMT.053 files, and optional providers such as Salt Edge, GoCardless, and SimpleFIN.
What USAspending does best
- Search tools across federal awards, recipients, agencies, federal accounts, contracts, grants, loans, direct payments, insurance, and other assistance records.
- Advanced Search filters such as award type, date, place of performance, NAICS, PSC, Assistance Listing, agency, recipient, and disaster-emergency funding codes.
- Tools for exploring top-down spending through Spending Explorer, agency profiles, and federal-account profiles before drilling into awards and recipients.
- The public REST API V2 with JSON responses for award and account workflows; current endpoint docs say authorization is not required.
- Download support for data through award archives, custom award downloads, custom account downloads, Advanced Search exports, award profile downloads, and the full database download.
Every detail we compared
Every tracked attribute for Firefly III and USAspending, side by side.ShowHide
Every detail we compared
Every tracked attribute for Firefly III and USAspending, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North America |
Coverage details | Not specified | Countries: US |
| Data | ||
Data freshness | Not specified | End of Day |
Data granularity | Not specified | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: OAuth2 and APIKeyWebhooks | Auth: None |
Import methods | CSVManual | Not specified |
Integrations | Salt EdgeGoCardlessSimpleFINSlack | Not specified |
Export formats | CSV | CSVJSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: US |
Vendor & support | Firefly III (open-source project)Support: Email | U.S. Department of the Treasury – Bureau of the Fiscal ServiceCountry: USSupport: Email |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Methodology 5/5Reliability 5/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free | Free |
Questions we keep getting
What's the difference between Firefly III and USAspending?
Firefly III leans toward portfolio, APIs & data feeds, and webhooks, while USAspending puts more weight on APIs & data feeds, data visualizations, and videos. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Firefly III and USAspending cost?
Good news: both Firefly III and USAspending have free plans, so you can run them side by side and only pay if you hit a wall.
Do Firefly III and USAspending have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Firefly III or USAspending?
It depends on what you're after. Pick Firefly III if portfolio and webhooks matter to you; go with USAspending if you'd rather have data visualizations and videos. And if you only need the basics both share, let price decide.
Can I export data from Firefly III and USAspending?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Can I track my portfolio with Firefly III or USAspending?
Firefly III handles portfolio tracking. USAspending is really a research tool; you'd track your portfolio elsewhere.
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.