Tool Comparison
Firefly III vs StockAlert Pro
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want portfolio and other.
- Paid from
- $19.99/mo
- Free plan
- Yes
- Platforms
- Web, API
Best if
- You want alerts, calendar, and dividends.
Pick Firefly III instead if
Firefly III
Free · Web · API
- You want portfolio and other.
Start here
StockAlert Pro
Free • From $19.99/mo · Web · API
- You want alerts, calendar, and dividends.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
Firefly III and StockAlert Pro cover a lot of the same ground (2 shared categories, APIs & data feeds and webhooks), so for the basics you won't go far wrong with either. StockAlert Pro simply does more: 11 categories to Firefly III's 4, including alerts, calendar, and dividends. Firefly III counters by being completely free.
What readers say
Firefly III
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StockAlert Pro
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Key differences at a glance
- Broader coverage
- StockAlert Pro11 vs 4 categories
- Free plan
- Both
What Firefly III does best
- Self-host a personal finance ledger under the AGPLv3 open-source license rather than using a hosted budgeting app.
- Track accounts and transactions with double-entry bookkeeping, budgets, categories, tags, recurring transactions, subscriptions, piggy banks, rules, and reports.
- Use the JSON REST API with OAuth2 or personal access tokens for dashboards, automations, and personal analytics.
- Optional event webhooks for transaction create, update, and delete events when enabled through environment configuration.
- Import transaction data through the separate Data Importer using CSV, CAMT.052, CAMT.053, GoCardless, SimpleFIN, Lunch Flow, or Enable Banking.
What StockAlert Pro does best
- Create alerts for price, technical, volume, fundamental, dividend, earnings, insider-activity, and scheduled conditions.
- Monitor supported stocks and ETFs during regular, pre-market, and after-hours sessions.
- Use AI equity reports and suggested alerts as research prompts before choosing conditions to activate.
- Run daily watchlist analysis that proposes up to three alert ideas for each tracked symbol.
- Browse a stock and ETF database, an undervalued P/E screen, a dividend calendar, and watchlists.
Side by side
Pricing comparison
See for yourself
Side by side
Price, platforms, data, and market coverage.ShowHide
Side by side
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free | Free • From $19.99/mo |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | — | 10 limits: Basic: active alerts: 5, Basic: watchlist stocks: 2 +8 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | No | No |
Integrations | GoCardless, SimpleFIN +5 more | Slack and n8n |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 4 | 11 |
Regions | — | North America, Europe |
| Data & capabilities | ||
Data quality | — | 3 signals: Latency: 15-min Delayed and End of Day, Granularity: Minute and EOD +1 more |
Security | — | Data residency: EU |
| Try it | Visit Firefly III | Visit StockAlert Pro |
Standout features
The best features of Firefly III and StockAlert Pro.ShowHide
Standout features
What Firefly III does best
- Self-host a personal finance ledger under the AGPLv3 open-source license rather than using a hosted budgeting app.
- Track accounts and transactions with double-entry bookkeeping, budgets, categories, tags, recurring transactions, subscriptions, piggy banks, rules, and reports.
- Use the JSON REST API with OAuth2 or personal access tokens for dashboards, automations, and personal analytics.
- Optional event webhooks for transaction create, update, and delete events when enabled through environment configuration.
- Import transaction data through the separate Data Importer using CSV, CAMT.052, CAMT.053, GoCardless, SimpleFIN, Lunch Flow, or Enable Banking.
What StockAlert Pro does best
- Create alerts for price, technical, volume, fundamental, dividend, earnings, insider-activity, and scheduled conditions.
- Monitor supported stocks and ETFs during regular, pre-market, and after-hours sessions.
- Use AI equity reports and suggested alerts as research prompts before choosing conditions to activate.
- Run daily watchlist analysis that proposes up to three alert ideas for each tracked symbol.
- Browse a stock and ETF database, an undervalued P/E screen, a dividend calendar, and watchlists.
All details
Every attribute we track for Firefly III and StockAlert Pro.ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Other | StocksETFs |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Regions | Not specified | North AmericaEurope |
Coverage details | Not specified | Countries: US, DE, and GB4 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | 15-min DelayedEnd of Day |
Data granularity | Not specified | MinuteEOD |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: OAuth2 and APIKeyWebhooks | Auth: APIKeySDKs: TS and PythonWebhooks |
Import methods | CSVManual | Not specified |
Integrations | GoCardlessSimpleFINLunch FlowEnable BankingSlackDiscordMattermost | Slackn8n |
Export formats | CSV | JSON |
| Plans & trust | ||
Security & compliance | Not specified | Data residency: EU |
Vendor & support | Firefly III (open-source project)Support: Email | Adanos Software GmbHCountry: GermanySupport: Email |
Curation ratings | Methodology 4/5Reliability 4/5UX 4/5 | Methodology 3/5Reliability 3/5UX 4/5 |
Green tags are exclusive to that tool in this comparison.
Pricing
Plans, billing, free trials, and monthly prices.ShowHide
Pricing
| Tier | ||
|---|---|---|
| Free plan | Free | Free“Basic”active alerts: 5 · watchlist stocks: 2 · +2 more |
| Entry paid plan | — | $19.99/mo“Premium (Monthly)”watchlist stocks: 100 · sms per month: 50 · +1 more |
| Top plan | — | Subscription“Premium (Annual)”watchlist stocks: 100 · sms per month: 50 · +1 more |
Questions we keep getting
What's the difference between Firefly III and StockAlert Pro?
Firefly III leans toward portfolio, APIs & data feeds, and webhooks, while StockAlert Pro puts more weight on alerts, calendar, and dividends. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Firefly III and StockAlert Pro cost?
Good news: both Firefly III and StockAlert Pro have free plans, so you can run them side by side and only pay if you hit a wall.
Do Firefly III and StockAlert Pro 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 StockAlert Pro?
It depends on what you're after. Pick Firefly III if portfolio and other matter to you; go with StockAlert Pro if you'd rather have alerts and calendar. And if you only need the basics both share, let price decide.
What asset classes do Firefly III and StockAlert Pro cover?
Firefly III covers other. StockAlert Pro covers stocks and ETFs.
Can I export data from Firefly III and StockAlert Pro?
Firefly III exports to CSV. StockAlert Pro is stingier about getting data out.
Which has a better stock screener: Firefly III or StockAlert Pro?
StockAlert Pro has a stock screener for surfacing ideas; Firefly III doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Firefly III or StockAlert Pro?
Firefly III handles portfolio tracking. StockAlert Pro 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.