Starting with a small amount of money should not mean giving up a noticeable part of your investment to unnecessary charges. Fortunately, several U.S. brokerage apps now offer commission-free online stock and ETF investing, fractional shares, and accounts that can be opened without a large starting balance. The harder part is identifying which app remains affordable after you look beyond the headline price.
That distinction matters. A platform can advertise $0 stock commissions while still charging for outgoing account transfers, optional subscriptions, margin borrowing, wire transfers, or specialized services. ETFs may also have their own expense ratios that are separate from the brokerage’s trading commission. For a small investor, these details can matter more than they do for someone managing a much larger portfolio.
This guide evaluates stock trading apps from a small-investor perspective rather than simply ranking the apps with the longest feature lists. I focus on low entry requirements, fractional-share access, everyday stock and ETF costs, recurring-investment convenience, research tools, and fees that may appear when an investor eventually moves or changes an account.
What Makes a Stock Trading App Good for a Small Investor?
A useful small-investor app should allow you to put most of your available money to work without requiring you to buy complete shares. Fractional investing is especially valuable when a stock or ETF costs more than the amount you want to invest. A person contributing $25 or $50 at a time can therefore build a more diversified portfolio instead of waiting until enough cash accumulates for a full share.
Cost transparency is equally important. Before choosing a brokerage, check the normal stock and ETF commission, account minimum, maintenance fee, fractional-share minimum, outgoing transfer fee, and any charges attached to services you expect to use. This simple review is more useful than choosing an app because its home screen says “commission-free.”
1. Fidelity: Best Overall for Cost-Conscious Small Investors
Fidelity is my strongest overall choice for a small investor who wants a brokerage that can remain useful as the portfolio becomes larger and more complex. Fidelity offers $0 commissions for online U.S. stock and ETF trades, has no minimum required to open a standard brokerage account, and supports fractional purchases of eligible U.S. stocks and ETFs starting at just $1.
The $1 fractional threshold is particularly useful for people investing small amounts regularly. Instead of designing your contribution around individual share prices, you can decide how many dollars you want allocated to an investment. Fidelity also combines investing with research, retirement accounts, planning resources, and other tools, reducing the need to move to a different brokerage simply because your needs become more advanced.
Best for: Beginners, long-term investors, ETF investors, and people who want one brokerage they can continue using as their portfolio grows.
2. Charles Schwab: Best for Education and Long-Term Flexibility
Charles Schwab is another strong option for investors starting with limited capital. Its standard brokerage account has no minimum investment requirement and no fee to open or maintain the account. Schwab also offers $0 online commissions on listed U.S. stocks and ETFs, while fractional investing gives smaller investors a way to purchase less than a complete share.
Schwab stands out when investor education and research matter as much as the trading screen. Its brokerage platform includes screeners, market information, educational material, portfolio tools, customer support, and access to more advanced technology for investors who eventually need it. That makes Schwab particularly attractive to someone who wants to learn while building a portfolio rather than constantly switching between financial apps.
Best for: New investors who value education, research, customer support, and a brokerage designed for long-term use.
3. Robinhood: Best for Simple Fractional Investing
Robinhood remains one of the simplest ways to begin purchasing U.S. stocks with a very small amount. The platform supports fractional investing from as little as $1 and does not charge a commission on standard U.S. stock trades. Its mobile-first interface can make basic portfolio management easier for someone who does not want a screen crowded with professional-level tools.
However, this is where reading beyond the commission rate becomes important. Robinhood currently charges $100 for a full or partial outbound ACATS account transfer. Fractional securities also generally cannot be transferred through ACATS; depending on the type of transfer, they may remain behind or be sold. A $100 exit cost is significant relative to a portfolio worth only a few hundred dollars.
Best for: Investors prioritizing simplicity and very small fractional purchases who understand the potential cost of transferring the account later.
4. SoFi Invest: Best for Beginners Who Want Financial Tools Together
SoFi Invest provides commission-free self-directed stock and ETF trading and supports fractional investing in eligible securities from $5. The interface is relatively approachable, and the broader SoFi ecosystem may appeal to people who prefer to manage several financial activities through one company rather than maintaining a separate app for every purpose.
There is an important portability consideration. SoFi currently lists a $100 fee for full or partial outgoing ACATS transfers, and fractional shares cannot normally move to another brokerage as fractional positions. For someone investing only $20 or $50 each month, that potential future expense deserves attention before opening the account.
Best for: Beginning investors who value an integrated financial platform and expect to keep their brokerage account in one place for a meaningful period.
5. Webull: Best for Small Investors Who Want More Trading Tools
Webull combines $0 commissions on U.S.-listed stocks and ETFs with fractional-share investing in eligible securities starting at $1. Compared with more minimalist apps, Webull provides deeper charting and market-analysis features, which may appeal to investors who want to study price activity and company information in greater detail.
The additional tools should not distract from the fee schedule. Webull currently states that full and partial outgoing account transfers carry a $75 fee. Fractional shares are also among the assets that cannot normally move through an outgoing ACATS transfer and may need to be liquidated. For a small account, this makes portability an important part of the decision.
Best for: Small investors who want fractional access combined with more detailed market tools and are comfortable with a more feature-heavy interface.
My Practical Ranking for a $50-a-Month Investor
If I were evaluating these apps specifically for a person investing $50 each month, I would put Fidelity first because its combination of $1 fractional investing, $0 online U.S. stock and ETF commissions, broad investment capabilities, and long-term account usefulness creates fewer reasons to change platforms later. Schwab would be a strong alternative for someone who places extra value on education and support.
Robinhood is attractive when simplicity is the priority, while SoFi makes sense for investors already comfortable with its wider financial ecosystem. Webull becomes more appealing when charting and market tools are important. The best choice therefore depends not only on today’s purchase cost but also on what you are likely to need three or five years from now.
Fees Small Investors Should Check Before Opening an Account
Always review the official fee schedule rather than relying only on an app-store description. Look specifically for account-transfer fees, wire charges, paper statement fees, broker-assisted transaction costs, optional premium memberships, margin interest, and regulatory charges. If you buy ETFs, also check each fund’s expense ratio because that ongoing fund cost is different from the brokerage commission.
Portability deserves special attention. A $75 or $100 transfer fee may seem unimportant when opening an account, but it can represent a substantial percentage of a small portfolio. Fractional positions may also be nontransferable, which can create additional complications if you later move to another broker.
How to Start Investing Small Amounts More Efficiently
Begin with an amount you can contribute consistently rather than waiting until you have a large lump sum. After choosing a regulated brokerage, consider whether a diversified, low-cost ETF fits your objectives instead of building a portfolio from many individual companies immediately. Fractional shares can help you allocate small contributions without leaving unnecessary cash unused.
Keep the process simple during the early stages. Review your contribution amount, diversification, fund expenses, and overall investment objective periodically. Frequent activity is not required to make an investing app useful. For many small investors, consistency and controlled costs are more important than having dozens of advanced features.
Frequently Asked Questions
1. What is the best stock trading app for someone with little money?
Fidelity is one of the strongest all-around choices because eligible fractional stock and ETF purchases can start at $1, online U.S. stock and ETF trades have $0 commissions, and the standard brokerage account does not require a large opening balance. However, the best app also depends on the investments, tools, and support you personally need.
2. Can I start investing with only $10?
Yes. Several brokerages allow fractional-share purchases below $10. Fractional investing lets you specify a dollar amount instead of paying for an entire share. The more important question is whether your chosen investment fits your objectives and whether you can continue contributing consistently.
3. Does commission-free mean there are absolutely no fees?
No. Commission-free normally refers to the brokerage commission on qualifying trades. Regulatory charges, account-transfer fees, optional services, margin costs, wire fees, and investment-fund expenses can still apply. Reading the complete fee schedule is therefore essential.
4. Are fractional shares useful for small investors?
They can be very useful because they allow smaller dollar amounts to be allocated across investments whose full share prices may be expensive. They can also reduce the amount of cash sitting unused in an account. Availability, order handling, and transfer rules differ by brokerage.
5. Are fractional shares transferable between brokers?
Often they are not. Many brokerage transfer systems move only complete shares, meaning a fractional position may remain at the original broker or be converted to cash during a full account transfer. Investors should check the specific transfer policy before assuming every holding can move unchanged.
6. Should a beginner choose individual stocks or ETFs?
Many beginners find diversified ETFs easier to manage because a single fund can hold shares of many companies. Individual stocks provide concentrated exposure to particular businesses and therefore require more company-specific research. The appropriate choice depends on objectives, time horizon, diversification, and risk tolerance.
7. What fee is easiest for small investors to overlook?
The outgoing account-transfer fee is one of the easiest to ignore because it is usually irrelevant when the account is first opened. Later, however, a charge of $75 or $100 can be meaningful for a small portfolio. ETF expense ratios are another cost worth checking because they operate inside the fund rather than appearing as a normal trade commission.
8. Is Robinhood cheaper than Fidelity?
For ordinary qualifying U.S. stock trades, both can offer $0 commissions, so calling one universally cheaper would be misleading. Fidelity and Robinhood differ in account features, transfer policies, research tools, and other charges. Investors should compare the costs associated with how they will actually use the account.
9. How should I compare two commission-free investing apps?
Compare fractional-share minimums, eligible investments, recurring-investment features, account minimums, fund choices, research tools, customer support, cash handling, account-transfer charges, and the complete published fee schedule. This produces a much more realistic comparison than looking at stock commissions alone.
10. How often should a small investor review brokerage fees?
Review the fee schedule when opening the account and again before using a new service such as an account transfer, wire, margin feature, or premium plan. Brokerage pricing can change over time. Checking current disclosures before an important transaction can prevent an unexpected charge.
Conclusion
The best stock trading app for a small investor is not necessarily the app with the boldest $0 commission message. Fidelity offers an especially balanced combination of low entry requirements, fractional investing, and long-term functionality, while Schwab, Robinhood, SoFi, and Webull each serve different types of investors well.
Compare the total cost of owning and eventually moving your portfolio, not merely the cost of placing today’s trade. A transparent fee structure, sensible diversification, and consistent contributions can make a bigger difference than choosing the app with the longest feature list.
Disclaimer: This article is for educational purposes only and does not provide individualized investment, tax, or financial advice. Brokerage fees, features, and eligibility requirements can change, so review the provider’s current disclosures before opening an account or making a financial decision.