★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: USAspending checked August 4, 2026
Tool Comparison
Similarweb vs USAspending
Pick Similarweb if
Similarweb
Free • Contact for pricing · Web · API
- You care about app & website traffic and sheets / excel add-ins, things USAspending doesn't offer
Pick USAspending if
USAspending
Free · Web · API
- You care about videos, other, and official sources, things Similarweb 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
Similarweb and USAspending cover a lot of the same ground (2 shared categories, APIs & data feeds and data visualizations), so for the basics you won't go far wrong with either. The real difference is focus: only Similarweb gives you app & website traffic and sheets / excel add-ins, and only USAspending gives you videos and other.
What readers say
Similarweb
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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 • Contact for pricing | Free |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Integrations | Microsoft Excel, Google Sheets +8 more | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 5 |
Regions | North America, Europe, APAC, LatAm, Middle East, Africa | North America |
| Data & capabilities | ||
Data quality | Latency: End of Day and Granularity: EOD | Latency: End of Day and Granularity: EOD |
Security | SOC2 and ISO27001 | Data residency: US |
| Try it | Visit Similarweb | Visit USAspending |
Where each one shines
What Similarweb and USAspending each do best.ShowHide
Where each one shines
What Similarweb and USAspending each do best.What Similarweb does best
- Analysis of website traffic, engagement, channels, keyword demand, referral sources, competitors, company profiles, technologies, and app intelligence where plan access allows.
- Free public tools for high-level samples such as traffic checks, app analytics, keyword tools, top websites or apps, and company or technology profiles.
- Similarweb API V5 in REST or Batch mode with API-key authentication, standardized responses, multi-metric requests, MCP and AI support, and one key across endpoint families.
- Subscriptions to daily or monthly release notifications through webhooks where API workflow access is available.
- Export support for data through no-code Data Exporter, scheduled email delivery, CSV downloads, dashboards, tables, Excel, PDF, PPT, and PNG formats depending on product access.
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 Similarweb and USAspending, side by side.ShowHide
Every detail we compared
Every tracked attribute for Similarweb and USAspending, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | North AmericaEuropeAPACLatAmMiddle EastAfrica | North America |
Coverage details | Not specified | Countries: US |
| Data | ||
Data freshness | End of Day | End of Day |
Data granularity | EOD | EOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeyWebhooks | Auth: None |
Import methods | CSV | Not specified |
Integrations | Microsoft ExcelGoogle SheetsGoogle Looker StudioTableauPower BISnowflakeDatabricksSalesforce+2 more | Not specified |
Export formats | CSVExcelJSONPDFImage | CSVJSON |
| Plans & trust | ||
Security & compliance | SOC2ISO27001 | Data residency: US |
Vendor & support | Similarweb Ltd.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 |
| Entry paid plan | Subscription“Self-service packages” | — |
| Custom / enterprise | Contact sales“Business and Enterprise” | — |
Questions we keep getting
What's the difference between Similarweb and USAspending?
Similarweb leans toward app & website traffic, APIs & data feeds, and sheets / excel add-ins, 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 Similarweb and USAspending cost?
Good news: both Similarweb and USAspending have free plans, so you can run them side by side and only pay if you hit a wall.
Do Similarweb 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 Similarweb or USAspending?
It depends on what you're after. Pick Similarweb if app & website traffic and sheets / excel add-ins matter to you; go with USAspending if you'd rather have videos and other. And if you only need the basics both share, let price decide.
Which covers international markets: Similarweb or USAspending?
Similarweb has documented international coverage (North America, Europe, APAC, LatAm, and more), so it's the safer bet if you hold non-US stocks. USAspending is more region-specific, mainly North America.
Can I export data from Similarweb and USAspending?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
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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.