VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Tool details checked August 23, 2026
Tool Comparison
InsideArbitrage vs Stock Rover
Pick InsideArbitrage if
InsideArbitrage
Free • From $100/mo · Web
- You want corporate actions & special situations, splits, and institutional ownership.
Pick Stock Rover if
Stock Rover
Free • From $34/mo · Web · Mobile
- You want the cheaper way in: plans start at $34/mo instead of $100/mo
- Delayed quotes won't cut it; you need real-time data
- You do a lot of your research from your phone
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
InsideArbitrage and Stock Rover cover a lot of the same ground (11 shared categories, including news, alerts, and calendar), so for the basics you won't go far wrong with either. Stock Rover simply does more: 32 categories to InsideArbitrage's 17, including stock ideas, ETF screeners, and stock comparison, plus a mobile app. InsideArbitrage counters by keeping things simpler.
What readers say
InsideArbitrage
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Stock Rover
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Key differences at a glance
- Cheaper paid plan
- Stock Rover$34/mo vs $100/mo
- Free trial
- Stock Rover14 days
- Broader coverage
- Stock Rover32 vs 17 categories
- Mobile app
- Stock Rover
- Real-time data
- Stock Rover
- Broker sync
- Stock Rover
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 $100/mo | Free • From $34/mo |
Free tier | Yes | Yes |
Free trial | — | 14 days |
Plan limits | — | 54 limits: Free: stock scores: 3/month, Free: research reports: Dow 30 samples only unless Research Reports add-on or bundled paid pl... +52 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | Yes |
API access | No | No |
Broker sync | No | Yes |
Integrations | — | Yodlee brokerage aggregation and Interactive Brokers |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +7 more |
Categories covered | 17 | 32 |
Regions | — | North America |
| Data & capabilities | ||
Data quality | — | 5 signals: Latency: Real-time, 15-min Delayed, and End of Day, Granularity: Minute and EOD +3 more |
Data partners | — | 6 partners: Morningstar, Zacks +4 more |
Capabilities | Universe builder | 10 signals: Custom formulas, Universe builder +8 more |
Security | — | Encryption at rest and Encryption in transit |
| Try it | Visit InsideArbitrage | Visit Stock Rover |
Where each one shines
What InsideArbitrage and Stock Rover each do best.ShowHide
Where each one shines
What InsideArbitrage and Stock Rover each do best.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 Stock Rover does best
- Screen North American stocks, ETFs, and funds with up to 800 or more metrics.
- Tracking portfolios and dividends with broker sync, manual or spreadsheet import, benchmark comparison, emailed reports, dividend-income projections, risk-adjusted return, volatility, beta, IRR, Sharpe Ratio, and position contribution analytics.
- Comparison tools for stocks, ETFs, funds, portfolios, indices, and custom datasets in spreadsheet-like table and tile views across valuation, dividend, analyst, ratings, momentum, performance, and operating metrics.
- Automated DCF-driven Fair Value and intrinsic-value metrics to estimate Margin of Safety, then compare valuation ratios against 20-year relative norms to separate real discounts from superficially cheap stocks.
- The Insight Panel for financial statements, sales, earnings, cash flow, dividends, analyst ratings, insider activity, news, earnings transcripts, fair-value formulas, scores, warnings, and options-chain research on higher tiers.
Every detail we compared
Every tracked attribute for InsideArbitrage and Stock Rover, side by side.ShowHide
Every detail we compared
Every tracked attribute for InsideArbitrage and Stock Rover, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFs | StocksETFsMutual FundsClosed-End FundsOptionsFundsOther |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue InvestorsGrowth InvestorsQuality InvestorsDividend InvestorsAnalysts+1 more |
Regions | Not specified | North America |
Coverage details | Identifiers: Ticker and CIK | Countries: US and CA11 exchangesIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-time15-min DelayedEnd of Day |
Data granularity | Not specified | MinuteEOD |
Pricing sources | Not specified | ExchangeVendorModel |
Data partners | Not specified | MorningstarZacksIntrinioQuandlYodleeIEX |
| Access & integrations | ||
Import methods | Not specified | CSVBrokerOAuthManual |
Integrations | Not specified | Yodlee brokerage aggregationInteractive Brokers |
Export formats | Not specified | CSVImagePDF |
| Plans & trust | ||
Security & compliance | Not specified | Encryption at restEncryption in transit |
Capability signals | Universe builder | Custom formulasUniverse builderFactors: Value, Quality, Momentum, Growth, and SizePerformance attributionMonte CarloBroker syncPortfolio attributionRebalancing+2 more |
Vendor & support | InsideArbitrageSupport: Email | Stock Rover LLCCountry: United StatesFounded 2008Support: Email and Phone |
Curation ratings | Methodology 3/5Reliability 3/5UX 4/5 | Not specified |
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 Articles and Data” | Freestock scores: 3/month · research reports: Dow 30 samples only unless Research Reports add-on or bundled paid pl... · +1 more |
| Entry paid plan | $100/mo“Premium - Annual” | $34/mo“Premium”annual billing: $348/year ($29/month equivalent) · two year billing: $576 every 2 years ($24/month equivalent) · +11 more |
| Tier 2 | $150/mo“Premium - Monthly” | $70/mo“Premium Plus”annual billing: $588/year ($49/month equivalent) · two year billing: $1,008 every 2 years ($42/month equivalent) · +12 more |
| Tier 3 | — | $99/mo“Ultimate”annual billing: $948/year ($79/month equivalent) · two year billing: $1,656 every 2 years ($69/month equivalent) · +10 more |
| Top plan | — | $199/mo“Ultimate Pro”annual billing: $1,788/year ($149/month equivalent) · two year billing: $3,096 every 2 years ($129/month equivalent) · +10 more |
| Free trial | — | 14 days |
Questions we keep getting
What's the difference between InsideArbitrage and Stock Rover?
InsideArbitrage leans toward news, alerts, and calendar, while Stock Rover puts more weight on stock ideas, screeners, and ETF screeners. They overlap in 11 categories, so for most people it comes down to workflow preference and price.
How much do InsideArbitrage and Stock Rover cost?
Good news: both InsideArbitrage and Stock Rover have free plans, so you can run them side by side and only pay if you hit a wall.
Can I use InsideArbitrage or Stock Rover on my phone?
Stock Rover lists a dedicated mobile app, so it travels better. InsideArbitrage doesn't list a dedicated mobile app; its documented access is web.
Should I choose InsideArbitrage or Stock Rover?
It depends on what you're after. Pick InsideArbitrage if corporate actions & special situations and splits matter to you; go with Stock Rover if you'd rather have stock ideas and ETF screeners. And if you only need the basics both share, let price decide.
What asset classes do InsideArbitrage and Stock Rover cover?
Both cover stocks and ETFs. Stock Rover adds mutual funds, closed-end funds, and options on top.
Does InsideArbitrage or Stock Rover have real-time data?
Stock Rover offers real-time data, which matters if you trade actively. InsideArbitrage 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 InsideArbitrage and Stock Rover?
Stock Rover exports to CSV. InsideArbitrage is stingier about getting data out.
Can InsideArbitrage or Stock Rover connect to my broker?
Stock Rover syncs with brokers automatically. With InsideArbitrage, you're entering holdings by hand or importing files.
Which has a better stock screener: InsideArbitrage or Stock Rover?
Both InsideArbitrage and Stock Rover include stock screeners, and they differ more in interface than raw power; try both and see which one clicks for you.
Can I track my portfolio with InsideArbitrage or Stock Rover?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
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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.