Micro-investing apps are rewriting the rules for everyday investors. Thanks to platforms like Acorns, Stash, and Robinhood, you no longer need to be a Wall Street pro or have thousands saved to begin investing in stocks, ETFs, and even cryptocurrency. But with so many choices, which micro-investing app is really the best for your money, your goals, and your experience level?
Key Takeaways: Acorns vs Stash vs Robinhood
Acorns is best for hands-off investors who want automated savings and diversified portfolios with minimal involvement.
Stash is ideal for beginners who want educational guidance and themed ETF investing starting with just $5.
Robinhood caters to active traders who want commission-free trades and the flexibility to buy stocks, ETFs, and cryptocurrency with no minimum balance.
Fees vary: Acorns and Stash charge $3–$9 monthly, while Robinhood's basic account is free.
All three apps are legitimate, secure, and SIPC-insured for brokerage accounts.
Understanding Micro-Investing: Why It Matters
Micro-investing is revolutionizing personal finance by making it possible to invest with small dollar amounts—sometimes less than the cost of a cup of coffee. These apps round up your everyday purchases, offer fractional shares, and automate the process, so you can grow wealth steadily over time.
If you're brand new to investing or have struggled to save, micro-investing apps like Acorns, Stash, and Robinhood could be your easiest on-ramp. But they're not all created equal. Let's dig into each platform to see how they compare.
Acorns: The "Set It and Forget It" Investing App
What Is Acorns?
Acorns is designed for those who want to automate their savings and investing without having to think about the markets daily. Founded in 2014, Acorns popularized 'round-up' investing: Every time you make a purchase with a linked card, Acorns rounds up to the next dollar and invests the spare change.
Key Features
Automatic Round-Ups: Link your debit or credit card to round up purchases and invest the difference.
Diversified ETFs: Your money is invested in a portfolio based on your risk profile—mostly ETFs from Vanguard and BlackRock.
Found Money: Cash-back offers when shopping with partner brands.
Retirement Accounts: Open an IRA or SEP IRA for automated retirement savings.
Acorns Early: UTMAs and UGMAs to invest for your kids.
Fees
Personal Plan: $3/month – includes all basic features and an IRA.
Family Plan: $5/month – adds kids' investment accounts.
There are no trading commissions or minimum balance requirements, but the fixed monthly fee can eat into small balances.
Who Is Acorns Best For?
Beginner and passive investors who want hands-off automation
People who struggle to save consistently
Anyone who wants to slowly build wealth with minimal effort
Pros and Cons
Pros: Automatic saving, diversified portfolios, cashback offers, retirement and kids' accounts
Cons: Fixed monthly fee is expensive for small balances, limited stock/ETF choice, not for DIY traders
Stash: Micro-Investing with Education and Customization
What Is Stash?
Stash combines investing, banking, and financial education into one micro-investing platform. Its mission: empower people at all income levels to start investing with as little as $5 while learning the ropes along the way. Stash shines by offering curated themed ETFs, individual stocks, and a debit card with rewards.
Key Features
Fractional Shares: Invest as little as $0.01 into stocks or ETFs.
Stash Smart Portfolio: Automated investing for busy users.
Stock-Back Card: Earn stock rewards when you make everyday purchases.
Education: Guides, tips, and a user-friendly interface for new investors.
Banking: FDIC-insured checking accounts and direct deposit.
Fees
Growth Plan: $3/month – brokerage, retirement, Stock-Back card
Stash+ Plan: $9/month – adds custodial accounts and more rewards
Stash has no account minimums, but the monthly fee makes it best for those investing at least a few hundred dollars.
Who Is Stash Best For?
Novices who want investing and financial education
Those who want to pick their own stocks or themed ETFs
Anyone who likes the idea of earning stock as a cashback reward
Pros and Cons
Pros: Flexible investing, strong educational resources, fractional shares, banking features
Cons: Monthly fee can be expensive for small deposits, still somewhat limited investment choices, advanced features cost more
Robinhood: Flexible, Commission-Free Investing for All
What Is Robinhood?
Robinhood is a pioneer in commission-free trading and is best for do-it-yourself investors who want full control over their portfolios. Since its launch in 2013, Robinhood has attracted over 22 million users with its no-fee structure, sleek app, and access to stocks, ETFs, options, and cryptocurrencies.
Key Features
Commission-Free Trading: No fees on buying or selling stocks, ETFs, and crypto.
Fractional Shares: Invest with as little as $1, even in pricey stocks like Amazon.
Cryptocurrency Trading: Buy Bitcoin, Ethereum, and more directly from your app.
Cash Management: FDIC-insured high-yield savings options and debit cards.
Options and Margin: Advanced tools for more experienced users.
Fees
Basic Brokerage: Free
Robinhood Gold: $5/month – adds higher interest, more advanced tools, and margin trading
There are no account minimums or inactivity fees. Crypto and options trading are riskier and not recommended for beginners.
Who Is Robinhood Best For?
Investors who want to pick their own stocks and ETFs
Those interested in trading crypto or options as well as traditional assets
Anyone prioritizing a free, easy-to-use platform with real-time execution
Pros and Cons
Pros: No commissions, broad asset selection, easy onboarding, instant deposits, crypto access
Cons: No traditional retirement accounts (IRAs), less education, high risks for beginners, limited customer support
Side-by-Side Comparison: Acorns vs Stash vs Robinhood
Feature
Acorns
Stash
Robinhood
Minimum Investment
$0 (auto round-ups)
$5
$0
Monthly Fees
$3–$5
$3–$9
$0 (Gold: $5)
Automated Investing
Yes
Yes (Smart portfolio)
No (DIY only)
Stocks & ETFs
Curated ETFs
Stocks & ETFs
Stocks & ETFs
Crypto
No
No
Yes
IRAs (Retirement)
Yes
Yes
No
Education & Guidance
Minimal
Strong
Very little
Which Micro-Investing App Is Best For You?
Your best fit depends on your goals, experience, and how hands-on you want to be.
If you want a fully automated, hands-off investing experience and automated savings, Acorns is likely your winner. The round-up feature means you can build wealth without changing your habits.
If you want financial education, flexibility to pick stocks or ETFs, and banking features, go with Stash. It’s particularly good for those just starting out.
If you’re ready to pick your own investments, want to trade crypto, or love the idea of zero commissions, Robinhood could be the right fit. Just know that there’s more risk, and less education for beginners.
How to Start Micro-Investing: Step-by-Step Guide
1. Decide How Much You Can Invest
Start with whatever amount feels comfortable—even $5 is enough for micro-investing! These platforms are designed to accommodate any budget.
2. Choose Your Platform
Sign up on Acorns for automated, round-up investing.
Open a Stash account if you want more control and educational resources.
Try Robinhood for self-directed trading and zero commissions.
3. Fund Your Account
All three apps make it easy to link your bank account for quick deposits and withdrawals. There are no minimums to get started, but note Stash has a $5 minimum per investment.
4. Set Your Preferences or Build a Portfolio
Acorns and Stash offer automated portfolios tailored to your risk profile, while Robinhood lets you build your portfolio from scratch. If you’re unsure, start with a diversified ETF until you’re more comfortable.
5. Automate and Monitor
Most users see the best results when they automate deposits—even $10/week adds up over time. As you build confidence, you can adjust your allocations and explore more advanced options.
Fees and Cost Comparison: Are Micro-Investing Apps Worth It?
One drawback of micro-investing apps can be fees, especially if your balance is low. Here’s a breakdown of annual costs for each app at different investment amounts (rounded):
Acorns/ Stash at $100 balance: $36/year ($3/month) = 36% of your money—too high.
Acorns/Stash at $1,000 balance: $36/year = 3.6% per year (still high, but more manageable).
Robinhood: $0/year for standard accounts (no fixed or % fees on basic trades).
The higher your balance, the less significant the monthly fee. If you’re able to invest hundreds or thousands, Acorns and Stash become more cost-effective. For very small balances, Robinhood’s lack of fees is a huge advantage, but it requires you to manage your investments yourself.
Alternatives to Acorns, Stash, and Robinhood
While these three apps dominate the micro-investing space, there are other innovative platforms worth considering for passive investing, real estate, or automated financial growth. Here are a few top options:
M1 Finance: Ideal for building your own automated, customizable portfolio with no commissions.
Betterment: Offers automated ETF portfolios and tax-loss harvesting for long-term investors.
Fundrise: Invest in real estate with as little as $10, getting exposure to portfolios of private-market real estate projects.
Every platform has strengths and trade-offs, so there’s no single best choice for everyone.
Tips for Maximizing Micro-Investing App Rewards
Combine Multiple Apps for More Value
Use round-up investing (Acorns) together with cashback (Rakuten or Swagbucks) to save and invest simultaneously. For example, use Rakuten to get shopping cash back, and invest spare change in Acorns.
Take surveys for cash (Survey Junkie) and invest earnings: Try Survey Junkie or Swagbucks to earn extra cash and deposit into your investing account.
Track your investments and plan for retirement: Use a free tool like Personal Capital to monitor all your accounts and build a long-term money strategy.
Security and Legitimacy: Can You Trust Acorns, Stash, and Robinhood?
All three apps are registered with the SEC as broker-dealers and SIPC-insured, which means your investments (not cash) are protected up to $500,000 (including $250,000 for cash claims) in the event the company fails. They use bank-level encryption and multi-factor authentication for account security. Millions of Americans safely use these platforms, and each has been in operation for nearly a decade or more.
Remember, all investing carries risks—including market downturns and cryptocurrency volatility—so only invest what you can afford to lose.
Common Questions about Micro-Investing Apps
How much can you really make? Typical users earn around 5–8% annually in diversified portfolios (market conditions vary), but this is not guaranteed.
Are there tax implications? Yes—dividends, interest, and capital gains are taxable. Stash and Acorns provide tax documents each year.
What if I want to withdraw money? All three apps allow you to sell investments and transfer money to your bank, usually in 2–5 business days.
What if an app shuts down? Your assets are stored at third-party custodians, so you’re protected up to SIPC limits.
Final Thoughts: The Best Micro-Investing App for 2024
Acorns, Stash, and Robinhood each shine with unique tools for new and experienced investors. If you want total automation and ease, sign up for Acorns; if you want to learn as you go and invest in what matters to you, try Stash; if you’re ready for self-directed trading and commission-free investing, open a Robinhood account. For even more diversification, supplement with real estate via Fundrise or track your goals with Personal Capital.
Ready to start investing? Choose the app that fits your lifestyle, automate your contributions, and watch your portfolio grow—one smart habit at a time. The best day to start investing is always today.
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