Tool Comparison
InsideArbitrage vs Investment Masters Class (MastersInvest.com)
- Paid from
- $100/mo
- Free plan
- Yes
- Platforms
- Web
Best if
- You want news, alerts, and calendar.
- Paid from
- —
- Free plan
- Yes
- Platforms
- Web
Best if
- You want education.
Start here
InsideArbitrage
Free • From $1200/yr · Web
- You want news, alerts, and calendar.
Pick Investment Masters Class (MastersInvest.com) instead if
Investment Masters Class (MastersInvest.com)
Free · Web
- You want education.
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
InsideArbitrage and Investment Masters Class (MastersInvest.com) cover a lot of the same ground (3 shared categories, blogs, newsletters, and playbooks & case studies), so for the basics you won't go far wrong with either. InsideArbitrage simply does more: 17 categories to Investment Masters Class (MastersInvest.com)'s 4, including news, alerts, and calendar. Investment Masters Class (MastersInvest.com) counters by being completely free.
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Key differences at a glance
- Broader coverage
- InsideArbitrage17 vs 4 categories
- Free plan
- Both
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What Investment Masters Class (MastersInvest.com) does best
- Work through a structured tutorial library covering concepts such as compounding, moats, margin of safety, position sizing, checklists, business quality, and investor behavior.
- Blog essays about the methods and decisions of investors, CEOs, and business leaders.
- The Masters Bookshelf as a curated reading list across investing, business, psychology, history, and adjacent subjects.
- Browsing access to the investor letters hub for links to primary-source material from managers and investors highlighted by the site.
- Review investor profiles to compare philosophies, habits, risk controls, and lessons from different long-term investors.
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 • From $1200/yr | Free |
Free tier | Yes | Yes |
Free trial | — | — |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | No | No |
Broker sync | No | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | — |
Categories covered | 17 | 4 |
Regions | — | — |
| Data & capabilities | ||
Capabilities | Universe builder | — |
| Try it | Visit InsideArbitrage | Visit Investment Masters Class (MastersInvest.com) |
Standout features
The best features of InsideArbitrage and Investment Masters Class (MastersInvest.com).ShowHide
Standout features
What InsideArbitrage does best
- Track announced mergers, spreads, calendars, deal updates and potential deals.
- Filter news, SEC filings and social posts for premium tracked-deal symbols.
- Research insider activity through transaction pages, weekly articles, cluster-buy screens and insider rankings.
- Follow buybacks, spinoffs, CVRs, tender offers, reverse splits, activist campaigns and management changes.
- Use 13F, 13D, 13G and Form 4 data for institutional and insider ownership context.
What Investment Masters Class (MastersInvest.com) does best
- Work through a structured tutorial library covering concepts such as compounding, moats, margin of safety, position sizing, checklists, business quality, and investor behavior.
- Blog essays about the methods and decisions of investors, CEOs, and business leaders.
- The Masters Bookshelf as a curated reading list across investing, business, psychology, history, and adjacent subjects.
- Browsing access to the investor letters hub for links to primary-source material from managers and investors highlighted by the site.
- Review investor profiles to compare philosophies, habits, risk controls, and lessons from different long-term investors.
All details
Every attribute we track for InsideArbitrage and Investment Masters Class (MastersInvest.com).ShowHide
All details
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | Other |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Coverage details | Identifiers: Ticker and CIK | Not specified |
| Plans & trust | ||
Capability signals | Universe builder | Not specified |
Vendor & support | InsideArbitrageSupport: Email | Investment Masters ClassSupport: Email |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Methodology 4/5Reliability 4/5UX 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“Public Articles and Data” | Free |
| Entry paid plan | $1200/yr≈ $100/mo“Premium - Annual” | — |
| Top plan | $150/mo“Premium - Monthly” | — |
| Custom / enterprise | Contact sales“IA Professional” | — |
Questions we keep getting
What's the difference between InsideArbitrage and Investment Masters Class (MastersInvest.com)?
InsideArbitrage leans toward news, alerts, and calendar, while Investment Masters Class (MastersInvest.com) puts more weight on education, blogs, and newsletters. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do InsideArbitrage and Investment Masters Class (MastersInvest.com) cost?
Good news: both InsideArbitrage and Investment Masters Class (MastersInvest.com) have free plans, so you can run them side by side and only pay if you hit a wall.
Should I choose InsideArbitrage or Investment Masters Class (MastersInvest.com)?
It depends on what you're after. Pick InsideArbitrage if news and alerts matter to you; go with Investment Masters Class (MastersInvest.com) if you'd rather have education. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and Investment Masters Class (MastersInvest.com) cover?
InsideArbitrage covers stocks and ETFs. Investment Masters Class (MastersInvest.com) covers other.
Which has a better stock screener: InsideArbitrage or Investment Masters Class (MastersInvest.com)?
InsideArbitrage has a stock screener for surfacing ideas; Investment Masters Class (MastersInvest.com) doesn't, and focuses its energy elsewhere.
Can I track my portfolio with InsideArbitrage or Investment Masters Class (MastersInvest.com)?
InsideArbitrage handles portfolio tracking. Investment Masters Class (MastersInvest.com) 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.