★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Tool comparison edition
Tool Comparison
Firefly III vs Semrush
Pick Firefly III if
Firefly III
Free · Web · API
- You care about portfolio, webhooks, and other, things Semrush doesn't offer
Pick Semrush if
Semrush
Free • From $139.95/mo · Web · Mobile · API
- You do a lot of your research from your phone
- You care about app & website traffic, sheets / excel add-ins, and blogs, things Firefly III doesn't offer
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
The real difference is focus: only Firefly III gives you portfolio and webhooks, and only Semrush gives you app & website traffic and sheets / excel add-ins. On paper they're closely matched, so let pricing, platform fit, and the details below break the tie.
What readers say
Firefly III
Vote once to reveal the community verdict.
Semrush
Vote once to reveal the community verdict.
Key differences at a glance
- Mobile app
- Semrush
- Free trial
- Semrush7 days
- Free plan
- Both
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 • From $139.95/mo |
Free tier | Yes | Yes |
Free trial | — | 7 days |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | Yes | Yes |
Broker sync | No | — |
Integrations | Salt Edge, GoCardless +2 more | Google Analytics, Google Search Console +1 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 4 |
Regions | — | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Security | — | Data residency: US and SSO: SAML |
| Try it | Visit Firefly III | Visit Semrush |
Where each one shines
What Firefly III and Semrush each do best.ShowHide
Where each one shines
What Firefly III and Semrush 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 Semrush does best
- Analysis of website traffic, visitor sources, engagement, keywords, competitors, backlinks, SEO performance, paid search, and market benchmarks.
- Semrush One and AI visibility products to monitor brand and content visibility across AI search and classic SEO workflows.
- The Standard API for eligible SEO Toolkit Business users, with separately purchased API units and request or line-based consumption.
- Separate API paths for Trends, Listing Management, and Map Rank Tracker, noting that local APIs and map rank APIs have their own access and billing rules.
- Export support for data and reports through CSV, Excel, PDF, JSON, Google Sheets, Position Tracking, Site Audit, and App Center connector workflows.
Every detail we compared
Every tracked attribute for Firefly III and Semrush, side by side.ShowHide
Every detail we compared
Every tracked attribute for Firefly III and Semrush, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: OAuth2 and APIKeyWebhooks | Auth: APIKey and OAuth2 |
Import methods | CSVManual | Not specified |
Integrations | Salt EdgeGoCardlessSimpleFINSlack | Google AnalyticsGoogle Search ConsoleGoogle Sheets |
Export formats | CSV | CSVExcelPDFJSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: USSSO: SAML |
Vendor & support | Firefly III (open-source project)Support: Email | Semrush Inc.Country: United StatesSupport: Email |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Methodology 4/5Reliability 4/5UX 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 | — | $139.95/mo“Pro” |
| Tier 2 | — | $249.95/mo“Guru” |
| Tier 3 | — | $499.95/mo“Business” |
| Top plan | — | Subscription“Enterprise” |
| Free trial | — | 7 days |
Questions we keep getting
What's the difference between Firefly III and Semrush?
Firefly III leans toward portfolio, APIs & data feeds, and webhooks, while Semrush puts more weight on app & website traffic, APIs & data feeds, and sheets / excel add-ins. They overlap in 1 categories, so for most people it comes down to workflow preference and price.
How much do Firefly III and Semrush cost?
Good news: both Firefly III and Semrush have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use Firefly III or Semrush on my phone?
Semrush lists a dedicated mobile app, so it travels better. Firefly III doesn't list a dedicated mobile app; its documented access is web and API.
Do Firefly III and Semrush 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 Semrush?
It depends on what you're after. Pick Firefly III if portfolio and webhooks matter to you; go with Semrush if you'd rather have app & website traffic and sheets / excel add-ins. And if you only need the basics both share, let price decide.
Can I export data from Firefly III and Semrush?
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 Semrush?
Firefly III handles portfolio tracking. Semrush is really a research tool; you'd track your portfolio elsewhere.
Keep researching
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Feedback
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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.