★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: Changeflow (Trackly) checked August 4, 2026
Tool Comparison
Changeflow (Trackly) vs Firefly III
Start here
Changeflow (Trackly)
Free • From $1188/yr · Web · API · Other
- Delayed quotes won't cut it; you need real-time data
- You care about alerts, news, and regulatory filings monitoring, things Firefly III doesn't offer
Pick Firefly III instead if
Firefly III
Free · Web · API
- You care about portfolio and other, things Changeflow (Trackly) 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
Changeflow (Trackly) and Firefly III 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. Changeflow (Trackly) simply does more: 10 categories to Firefly III's 4, including alerts, news, and regulatory filings monitoring. Firefly III counters by being completely free.
What readers say
Changeflow (Trackly)
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Firefly III
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Key differences at a glance
- Real-time data
- Changeflow (Trackly)
- Free trial
- Changeflow (Trackly)30 days
- Broader coverage
- Changeflow (Trackly)10 vs 4 categories
- Asset coverage
- Changeflow (Trackly)Adds stocks
- 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 • From $1188/yr | Free |
Free tier | Yes | Yes |
Free trial | 30 days | — |
Plan limits | 17 limits: Free: sources: 3, Professional: sources: 100 +15 more | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | — | No |
Integrations | Slack, Microsoft Teams +5 more | Salt Edge, GoCardless +2 more |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Institutional Investors, Analysts +3 more | — |
Categories covered | 10 | 4 |
Regions | North America, Europe, APAC | — |
| Data & capabilities | ||
Data quality | Latency: Real-time and Granularity: Minute and EOD | — |
Capabilities | AI summaries: Filings and News | — |
Security | Encryption in transit | — |
| Try it | Visit Changeflow (Trackly) | Visit Firefly III |
Where each one shines
What Changeflow (Trackly) and Firefly III each do best.ShowHide
Where each one shines
What Changeflow (Trackly) and Firefly III each do best.What Changeflow (Trackly) does best
- Support for setting up monitoring by pasting a URL and describing the changes you care about in natural language.
- AI summaries and relevance filtering to reduce noisy website-change alerts before an analyst reviews the source.
- Monitoring SEC filings, corporate disclosures, IR pages, regulator pages, policies, PDFs, RSS feeds, JSON, CSV, and other online sources.
- Tracking common EDGAR filing types such as 8-K, 10-K, 10-Q, Form 4, 13F, proxy statements, and S-1 pages where configured.
- Views for reviewing changes through dashboard alerts, email notifications, visual diffs, interactive change history, and saved source versions.
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.
Every detail we compared
Every tracked attribute for Changeflow (Trackly) and Firefly III, side by side.ShowHide
Every detail we compared
Every tracked attribute for Changeflow (Trackly) and Firefly III, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksOther | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Institutional InvestorsAnalystsQuants/DevelopersAsset ManagersHedge Funds | Not specified |
Regions | North AmericaEuropeAPAC | Not specified |
Coverage details | 4 countries | Not specified |
| Data | ||
Data freshness | Real-time | Not specified |
Data granularity | MinuteEOD | Not specified |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeyWebhooksDocs | Auth: OAuth2 and APIKeyWebhooks |
Import methods | ManualCSV | CSVManual |
Integrations | SlackMicrosoft TeamsDiscordZapierMake (Integromat)n8nRSS readers (e.g., Feedly, Inoreader) | Salt EdgeGoCardlessSimpleFINSlack |
Export formats | CSVJSON | CSV |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | AI summaries: Filings and News | Not specified |
Vendor & support | Changeflow Limited (trading as Trackly)Country: United KingdomSupport: Email, Chat, and Phone | Firefly III (open-source project)Support: Email |
Curation ratings | Not specified | 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 | Freesources: 3 | Free |
| Entry paid plan | $1188/yr≈ $99/mo“Professional”sources: 100 · users: 2 · +6 more | — |
| Top plan | $2988/yr≈ $249/mo“Business”sources: 500 · users: 5 · +5 more | — |
| Custom / enterprise | Contact sales“Enterprise”minimum check frequency: Every 10 minutes | — |
| Free trial | 30 days | — |
Questions we keep getting
What's the difference between Changeflow (Trackly) and Firefly III?
Changeflow (Trackly) leans toward alerts, news, and regulatory filings monitoring, while Firefly III puts more weight on portfolio, APIs & data feeds, and webhooks. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Changeflow (Trackly) and Firefly III cost?
Good news: both Changeflow (Trackly) and Firefly III have free plans, so you can run them side by side and only pay if you hit a wall.
Do Changeflow (Trackly) and Firefly III have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose Changeflow (Trackly) or Firefly III?
It depends on what you're after. Pick Changeflow (Trackly) if alerts and news matter to you; go with Firefly III if you'd rather have portfolio and other. And if you only need the basics both share, let price decide.
What asset classes do Changeflow (Trackly) and Firefly III cover?
Both cover other. Changeflow (Trackly) also handles stocks.
Does Changeflow (Trackly) or Firefly III have real-time data?
Changeflow (Trackly) offers real-time data, which matters if you trade actively. Firefly III runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Changeflow (Trackly) and Firefly III?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Can I track my portfolio with Changeflow (Trackly) or Firefly III?
Firefly III handles portfolio tracking. Changeflow (Trackly) 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.