VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
Changeflow (Trackly) vs Open Payments (CMS)
Start here
Changeflow (Trackly)
Free • From $1188/yr · Web · API · Other
- Delayed quotes won't cut it; you need real-time data
- You want alerts, news, and insider data.
Pick Open Payments (CMS) instead if
Open Payments (CMS)
Free · Web · API
- You want data visualizations and official sources.
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 Open Payments (CMS) cover a lot of the same ground (2 shared categories, regulatory filings monitoring and APIs & data feeds), so for the basics you won't go far wrong with either. Changeflow (Trackly) simply does more: 10 categories to Open Payments (CMS)'s 4, including alerts, news, and insider data. Open Payments (CMS) counters by being completely free.
What readers say
Changeflow (Trackly)
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Open Payments (CMS)
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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
- Global coverage
- Changeflow (Trackly)
- 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 |
Integrations | Slack, Microsoft Teams +5 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 | North America |
| 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 Open Payments (CMS) |
Where each one shines
What Changeflow (Trackly) and Open Payments (CMS) each do best.ShowHide
Where each one shines
What Changeflow (Trackly) and Open Payments (CMS) each do best.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.
What Open Payments (CMS) does best
- Search tools across official Sunshine Act records for payments and ownership interests reported by drug manufacturers, device manufacturers, and group purchasing organizations.
- Comparison tools for General Payments, Research Payments, and Ownership or Investment Interests across program years.
- Lookup tools for physicians, non-physician practitioners, teaching hospitals, manufacturers, products, payment categories, dates, and dollar amounts from the public web tool.
- Charts, filters, and downloadable tables to move from a provider, company, or product question into the underlying records.
- Download support for bulk datasets when healthcare, pharma, medtech, policy, or compliance workflows need repeatable offline analysis.
Every detail we compared
Every tracked attribute for Changeflow (Trackly) and Open Payments (CMS), side by side.ShowHide
Every detail we compared
Every tracked attribute for Changeflow (Trackly) and Open Payments (CMS), 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 | North America |
Coverage details | 4 countries | Countries: US |
| Data | ||
Data freshness | Real-time | Not specified |
Data granularity | MinuteEOD | Not specified |
| Access & integrations | ||
API protocols | REST | REST |
API auth & delivery | Auth: APIKeyWebhooksDocs | Auth: None |
Import methods | ManualCSV | Not specified |
Integrations | SlackMicrosoft TeamsDiscordZapierMake (Integromat)n8nRSS readers (e.g., Feedly, Inoreader) | Not specified |
Export formats | CSVJSON | CSVJSON |
| Plans & trust | ||
Security & compliance | Encryption in transit | Not specified |
Capability signals | AI summaries: Filings and News | Not specified |
Vendor & support | Changeflow LimitedCountry: United KingdomSupport: Email, Chat, and Phone | Centers for Medicare & Medicaid Services (CMS), U.S. Department of Health & Human ServicesCountry: USSupport: Email and Phone |
Curation ratings | Not specified | 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 | 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 Open Payments (CMS)?
Changeflow (Trackly) leans toward alerts, news, and regulatory filings monitoring, while Open Payments (CMS) puts more weight on APIs & data feeds, data visualizations, and regulatory filings monitoring. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
How much do Changeflow (Trackly) and Open Payments (CMS) cost?
Good news: both Changeflow (Trackly) and Open Payments (CMS) have free plans, so you can run them side by side and only pay if you hit a wall.
Do Changeflow (Trackly) and Open Payments (CMS) 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 Open Payments (CMS)?
It depends on what you're after. Pick Changeflow (Trackly) if alerts and news matter to you; go with Open Payments (CMS) if you'd rather have data visualizations and official sources. And if you only need the basics both share, let price decide.
What asset classes do Changeflow (Trackly) and Open Payments (CMS) cover?
Both cover other. Changeflow (Trackly) also handles stocks.
Does Changeflow (Trackly) or Open Payments (CMS) have real-time data?
Changeflow (Trackly) offers real-time data, which matters if you trade actively. Open Payments (CMS) 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.
Which covers international markets: Changeflow (Trackly) or Open Payments (CMS)?
Changeflow (Trackly) has documented international coverage (North America, Europe, and APAC), so it's the safer bet if you hold non-US stocks. Open Payments (CMS) is more region-specific, mainly North America.
Can I export data from Changeflow (Trackly) and Open Payments (CMS)?
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.