VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
CatalystWire vs Changeflow (Trackly)
Pick CatalystWire instead if
CatalystWire
Free · Web
- Go this way if it's completely free.
Start here
Changeflow (Trackly)
Free • From $1188/yr · Web · API · Other
- You want an API so you can script or automate things
- You want insider data, institutional ownership, and transcripts.
- You're newer to investing and want something approachable
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
CatalystWire and Changeflow (Trackly) cover a lot of the same ground (4 shared categories, including news, regulatory filings monitoring, and alerts), so for the basics you won't go far wrong with either. Changeflow (Trackly) simply does more: 10 categories to CatalystWire's 4, including insider data, institutional ownership, and transcripts. CatalystWire counters by being completely free.
What readers say
CatalystWire
No votes yet. Cast the first one.
Changeflow (Trackly)
No votes yet. Cast the first one.
Key differences at a glance
- Asset coverage
- Changeflow (Trackly)Adds other
- Free trial
- Changeflow (Trackly)30 days
- Broader coverage
- Changeflow (Trackly)10 vs 4 categories
- API access
- Changeflow (Trackly)
- Beginner friendly
- Changeflow (Trackly)
- 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 $1188/yr |
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 | No | Yes |
Integrations | — | Slack, Microsoft Teams +5 more |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Swing Traders and Pro Retail | Institutional Investors, Analysts +3 more |
Categories covered | 4 | 10 |
Regions | Europe | North America, Europe, APAC |
| Data & capabilities | ||
Data quality | Latency: Real-time and Streaming | Latency: Real-time and Granularity: Minute and EOD |
Capabilities | — | AI summaries: Filings and News |
Security | — | Encryption in transit |
| Try it | Visit CatalystWire | Visit Changeflow (Trackly) |
Where each one shines
What CatalystWire and Changeflow (Trackly) each do best.ShowHide
Where each one shines
What CatalystWire and Changeflow (Trackly) each do best.What CatalystWire does best
- The scanner lists recent RNS announcements with ticker, title, excerpt, and publication time.
- Keyword search handles known company names, tickers, and announcement terms.
- Catalyst tags include contract awards, new chief executives, turnaround plans, reorganizations, and other event types.
- AI summaries are marked beta on announcement pages.
- Separate navigation covers companies, advanced search, the announcement archive, UK short positions, meetings, and UK news.
What Changeflow (Trackly) does best
- Paste a URL and describe the changes that matter in plain English.
- Use AI summaries and relevance filters to narrow website-change alerts before reviewing the source.
- Monitor SEC filings, corporate disclosures, IR pages, regulator pages, policies, PDFs, RSS feeds, JSON, CSV, and other online sources.
- Track common EDGAR filing types when their pages or feeds are configured as sources.
- Review alerts, visual diffs, change history, and saved source versions in the dashboard or email.
Every detail we compared
Every tracked attribute for CatalystWire and Changeflow (Trackly), side by side.ShowHide
Every detail we compared
Every tracked attribute for CatalystWire and Changeflow (Trackly), side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | Stocks | StocksOther |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Swing TradersPro Retail | Institutional InvestorsAnalystsQuants/DevelopersAsset ManagersHedge Funds |
Regions | Europe | North AmericaEuropeAPAC |
Coverage details | Countries: GBIdentifiers: Ticker and ISIN | 4 countries |
| Data | ||
Data freshness | Real-timeStreaming | Real-time |
Data granularity | Not specified | MinuteEOD |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeyWebhooksDocs |
Import methods | Not specified | ManualCSV |
Integrations | Not specified | SlackMicrosoft TeamsDiscordZapierMake (Integromat)n8nRSS readers (e.g., Feedly, Inoreader) |
Export formats | Not specified | CSVJSON |
| Plans & trust | ||
Security & compliance | Not specified | Encryption in transit |
Capability signals | Not specified | AI summaries: Filings and News |
Vendor & support | CatalystWire | Changeflow LimitedCountry: United KingdomSupport: Email, Chat, and Phone |
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“Public scanner” | Freesources: 3 |
| 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 CatalystWire and Changeflow (Trackly)?
CatalystWire leans toward news, regulatory filings monitoring, and alerts, while Changeflow (Trackly) puts more weight on alerts, news, and regulatory filings monitoring. They overlap in 4 categories, so for most people it comes down to workflow preference and price.
How much do CatalystWire and Changeflow (Trackly) cost?
Good news: both CatalystWire and Changeflow (Trackly) have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: CatalystWire or Changeflow (Trackly)?
Changeflow (Trackly) is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Does CatalystWire or Changeflow (Trackly) have an API?
Changeflow (Trackly) has an API for programmatic access and custom integrations. CatalystWire doesn't, so you're working through its interface.
Should I choose CatalystWire or Changeflow (Trackly)?
It depends on what you're after. Pick CatalystWire if you prefer its overall approach; go with Changeflow (Trackly) if you'd rather have insider data and institutional ownership. And if you only need the basics both share, let price decide.
What asset classes do CatalystWire and Changeflow (Trackly) cover?
Both cover stocks. Changeflow (Trackly) adds other on top.
Do CatalystWire and Changeflow (Trackly) offer real-time data?
Yes, both serve real-time market data, so either works when timing matters.
Can I export data from CatalystWire and Changeflow (Trackly)?
Changeflow (Trackly) exports to CSV. CatalystWire is stingier about getting data out.
Keep researching
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
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.