Última actualización: 20 de octubre de 2026 · Por el equipo editorial de Rumbo a la Ciencia
Webull, Robinhood, and Moomoo all advertise commission-free trading on US stocks, and all three are aimed at people who trade from a phone. That is where the similarity ends. The differences that matter are not in the headline price but in data access, options fees, cash yields, account types, and how each platform behaves when the market gets volatile.
This comparison looks at what each broker actually costs in 2026, what you get for free, and which one fits a beginner, an active trader, and someone who just wants to park cash.
The short answer
| If you are... | Start with | Why |
|---|---|---|
| A complete beginner buying index funds | Robinhood | Simplest interface, fractional shares, easy retirement account |
| An active trader who wants charts and depth | Webull | Best free data and customization of the three |
| An options or futures trader | Moomoo | Deeper tools and frequent fee promotions |
| Someone holding cash between trades | Whichever pays the highest sweep rate | Rates change monthly; check before funding |
None of them is a full-service broker. If you need bonds, mutual funds, or a human advisor, you are looking at the wrong category.
Commissions: all three say zero, none of them are free
All three charge $0 commission on US-listed stocks and ETFs. That is a real benefit compared with the $5 to $10 per trade that dominated the industry a decade ago. But "zero commission" describes one line item, not the total cost of trading.
There are four costs to check:
- Options contract fees. Commission-free stock trading does not always extend to options. Per-contract charges typically range from $0 to about $0.65 depending on the broker and the promotion in effect.
- Regulatory fees. SEC and FINRA fees apply to sales. They are small but real, and they are passed through by every broker.
- Payment for order flow. All three route orders to market makers who pay for the privilege. That is how zero-commission trading is funded. Execution quality matters more than the commission line.
- Cash drag. Money sitting uninvested earns whatever the broker pays, which may be far below a money market fund.
For a buy-and-hold investor making a dozen trades a year, these differences are trivial. For someone trading options weekly, the per-contract fee can exceed the value of the free stock trades.
Webull: the chart lover's broker
Webull started as a market-data app and became a broker, and it still feels like a data product with an order ticket attached. The desktop platform is genuinely capable: multiple chart layouts, dozens of indicators, level 2 quotes, options chains with Greeks, and paper trading for testing strategies without risk.
What stands out in 2026:
- Extended-hours trading with broad session coverage.
- Fractional shares on a large universe of stocks and ETFs.
- Paper trading that mirrors the live interface.
- Community features and a news feed built into the app.
- Cash management with a competitive rate on uninvested balances, subject to eligibility.
The weak points are the learning curve and the clutter. The app pushes notifications, alerts, and promotional content aggressively, and the interface assumes you already know what a limit order is. Beginners often find it overwhelming within a week.
Robinhood: the simplest path to owning something
Robinhood's advantage is not features; it is reduction. The app shows a price, a buy button, and a portfolio. Onboarding takes minutes. Fractional shares let you buy $10 of a $400 stock, which is the single most useful feature for new investors with small balances.
Robinhood Gold, at roughly $5 a month, bundles a higher cash rate, larger instant deposits, and a retirement match on contributions. The match is the most valuable part for long-term investors, but it comes with the requirement to keep the money in the account, and the membership only pays for itself if you use enough of the benefits.
What Robinhood still does not do well: research depth. The app has improved its news and earnings sections, but it remains a consumer product rather than a trading workstation. Options traders will find the chain view functional but limited compared with Webull or Moomoo.
Moomoo: the tools-heavy challenger
Moomoo (operated internationally by Futu) offers a professional-grade feature set: detailed options analytics, institutional-grade data packages, futures and forex access in some regions, and a desktop terminal that competes with paid platforms.
Its pricing model is the most promotion-dependent of the three. Base commissions on US stocks are zero, but data packages, options fees, and margin rates vary by account size and region, and the company uses cash rewards and stock giveaways to attract deposits. Those promotions are real, but they change constantly and usually require holding the money for a period.
Moomoo is the least beginner-friendly of the three. The number of panels, the terminology, and the settings menus assume a user who wants to configure things. If you enjoy that, it is excellent value. If you do not, it is exhausting.
Side-by-side comparison
| Feature | Webull | Robinhood | Moomoo |
|---|---|---|---|
| US stock/ETF commission | $0 | $0 | $0 |
| Options per contract | Low, promo-dependent | Low, promo-dependent | Low, promo-dependent |
| Fractional shares | Yes | Yes | Yes |
| Paper trading | Yes, full-featured | Limited | Yes |
| Desktop platform | Strong | Web only | Strong |
| Level 2 data | Free tiers available | Paid add-on | Free tiers available |
| Retirement accounts | Yes | Yes, with match | Limited by region |
| Cash yield | Competitive | Higher with Gold | Promotional |
| Learning curve | Medium | Low | High |
Data and research: the real differentiator
For anyone trading more than a few times a year, market data is the product. Webull and Moomoo both give retail users access to depth-of-market data that used to require an institutional account, sometimes free and sometimes bundled with a deposit or a monthly fee. Robinhood has closed much of the gap with earnings call transcripts and analyst ratings, but it still feels curated rather than raw.
One caveat: free level 2 data is usually delayed or aggregated unless you qualify for real-time access. Check the fine print before you build a strategy that depends on it.
Cash management and interest
All three now pay interest on uninvested cash, either through a sweep program or a partner bank. The rates move with the Federal Reserve's policy path, so any number quoted in a review ages within weeks. The practical rule: compare the current rate against a high-yield savings account and a Treasury money market fund, and move idle cash to whichever pays more after fees.
Do not assume the brokerage's default sweep is competitive. It often is not, and the difference on $20,000 can be several hundred dollars a year.
Account protection and regulation
All three are US-registered brokers and members of SIPC, which covers up to $500,000 in securities if the firm fails and assets go missing. SIPC does not cover market losses, and it does not cover crypto held outside the brokerage entity.
Crypto is a separate matter. Each platform offers crypto through a different structure with different custody arrangements, and the protections are weaker than for securities. If crypto is a meaningful part of your plan, read the custody disclosures rather than the marketing page.
International availability
Webull and Moomoo operate in multiple countries through local entities, with different product sets and fee schedules. Robinhood is primarily US-focused, with limited international availability. If you live outside the US, the version of the app you can open may not match any review written for the American market, including this one.
Customer support
None of the three offers branch visits or phone support on the level of a traditional broker. Webull and Moomoo provide in-app chat and email; Robinhood has improved its phone support for account issues but still routes most questions through the app. During market stress, response times lengthen for all of them. Assume you are on your own for execution problems.
Which one should you pick?
Choose Robinhood if you are starting with less than $1,000, want to buy fractional shares of index ETFs, and value a clean interface over research depth. The retirement match can be worth more than the membership fee if you contribute regularly.
Choose Webull if you already understand order types and want charts, paper trading, and extended hours without paying for a data terminal. It is the best middle ground between simplicity and capability.
Choose Moomoo if you trade options or futures actively, want deep analytics, and are willing to manage a more complex interface. Check the current fee schedule and data package prices before funding, because the promotional terms change often.
There is also a fourth option worth considering: open a plain brokerage account at Fidelity, Schwab, or Vanguard. You give up the gamified interface, but you get mutual funds, bonds, better research, and customer service that answers the phone. For long-term index investing, that is often the smarter choice.
How to move your account without triggering taxes
If you already hold securities and want to switch, use an ACATS transfer rather than selling. The receiving broker initiates it, the assets move in kind, and you do not realize capital gains. Partial transfers are allowed, and you can keep the old account open with a small balance if you want to compare platforms.
Do not close the old account before the transfer completes. Closing first can complicate the process and, in some cases, trigger a fee.
Frequently asked questions
Are Webull, Robinhood, and Moomoo safe?
They are SIPC members and regulated US brokers, which covers missing assets if the firm fails. They are not FDIC-insured, and investments can lose value.
Which has the lowest fees?
For plain stock trades, all three are at zero. For options and data, the cheapest depends on the promotion in effect. Compare the all-in cost, not the commission line.
Can I buy fractional shares on all three?
Yes, though the eligible universe differs. Fractional orders are usually market orders only, which matters in fast-moving stocks.
Do any of them pay interest on cash?
Yes, through sweep programs and partner banks. Rates change frequently, so check the current yield before moving money.
Which is best for beginners?
Robinhood, because the interface removes decisions that beginners are not equipped to make yet. Move to Webull or Moomoo later if you need more tools.
Final verdict
The gap between these three brokers is smaller than their marketing suggests. All offer free stock trading, fractional shares, and mobile-first design. The decision comes down to how much complexity you want and how you use cash.
Robinhood wins on accessibility, Webull wins on data per dollar, and Moomoo wins on depth for active derivatives traders. Pick the one that matches your actual behavior, fund it, buy a broad index fund, and spend your energy on saving more rather than on switching apps.
Related guides
If this topic affects your plan, these guides go deeper:
- Betterment vs Wealthfront: Which Robo-Advisor Is Better?
- PLTR Stocktwits: Sentiment & Price Today
- Acorns Review 2026: Is It Worth It for Beginners?
Disclosure: this article is educational and does not constitute investment advice. Fees, rates, and promotions change; verify current terms with each broker before opening an account.
Margin, short selling, and options
All three brokers offer margin accounts, and the terms differ enough to matter. Margin lets you borrow against your holdings, which amplifies both gains and losses. Margin interest rates are usually tiered by balance, and the cheapest tiers require large accounts.
Short selling is available on all three for eligible stocks, with borrow fees that vary by name. Hard-to-borrow stocks can carry fees high enough to erase the thesis. Options approval levels also differ: Webull and Moomoo tend to approve higher levels with more documentation, while Robinhood keeps the process simpler and more restrictive.
None of these features belong in a beginner's account. If you are still learning how a limit order works, margin will teach you expensive lessons quickly.
Crypto and alternative assets
Robinhood and Webull both offer crypto trading, and Moomoo offers it in selected markets. The custody arrangements differ, and crypto holdings are generally not SIPC-protected in the way securities are. Treat crypto as a separate risk bucket, not as part of a diversified portfolio.
Prediction markets and other novelty products have appeared on some platforms. They are entertainment products with poor expected value for most users, regardless of how they are marketed.
Tax documents and reporting
All three issue Form 1099-B for securities sales and Form 1099-DA or equivalent for digital assets, depending on the year and jurisdiction. Consolidated 1099s usually arrive in February, and corrected forms can arrive as late as March.
If you trade frequently, the cost-basis reporting can be messy, especially with fractional shares and multiple transfers. Download the CSV of your transactions at the end of each year rather than relying on the platform to keep history indefinitely. Brokers archive statements, but accessing them after you close an account is harder than it should be.
Which platform has the best execution?
Retail brokers route orders to market makers rather than sending them to an exchange. Execution quality depends on the venue, the spread, and the size of the order. For small market orders in liquid stocks, the differences are pennies. For large orders or illiquid names, they can be meaningful.
None of the three publishes execution quality in a way that is easy to compare. If execution cost matters to you, use limit orders and avoid market orders during the first and last minutes of the session.
