The short answer
For most first-time investors, Fidelity is the cleanest place to begin. Zero account minimum, true fractional shares from $1, no payment-for-order-flow on equities, and a mobile app that's stable on the days the market actually moves. If you'd rather have a slightly friendlier UI and don't mind a thinner research suite, Robinhood remains a perfectly reasonable second account.
How we ranked these brokers
Nothing about brokerage rankings is harder than admitting where the differences actually live. They've spent ten years copying each other's commission schedules. So the gaps now are quieter: how stable the app is on a 3% down day, whether the chat agent can reverse a misdirected ACH inside an hour, whether the "fractional shares" the marketing site advertises actually let you set a recurring $25 buy on a stock that costs $400.
We scored each broker out of 100 across six weighted categories:
- Costs & fees (20) — equity commissions, options per-contract pricing, account-closure fees, the cost of a wire out.
- Beginner usability (20) — onboarding flow, time to first deposit, app clarity, how forgivable the order-entry screen is to mistakes.
- Account types (15) — Roth IRA, traditional IRA, taxable, custodial, and how easy it is to add a second account later.
- Fractional shares & recurring buys (15) — minimum dollar amount, eligible securities, schedule flexibility.
- Education & research (15) — whether the in-app library actually teaches versus repurposing the prospectus.
- Support & reliability (15) — chat queue time, phone availability, and how the app behaved on three high-volatility days we deliberately tested.
Why "beginner" is the hardest category to test
The brokers in this list are mostly the same brokers in our overall ranking — but the order changes once you score for the first-account experience. A platform like Interactive Brokers, brilliant for an active trader, is a confusing maze for someone making their first stock purchase. Inversely, an app that wins on polish can quietly turn into a problem after a year, when you want IRA matching or want to buy a treasury directly.
What we kept rewarding in this rebuild was a specific virtue: the willingness to be boring. A beginner-friendly broker should make the right action — small recurring deposits into a low-cost index fund — slightly easier than the wrong one. Several apps now make this hard. They surface the day's biggest movers on the home screen and bury the recurring-buy setting under three taps. That's not a feature; that's a tax on attention.
The six brokers, ranked
Fidelity
Fidelity earns its place at the top of this list because it does the unremarkable things well. Onboarding takes about nine minutes. Fractional shares cover essentially every name a beginner is likely to type. The recurring-buy interface is two taps and lets you stack multiple weekly buys without breaking. And in the three high-volatility sessions we tested, the app never threw an order-failure error — a low bar that several competitors clear less reliably.
- ✓$0 account minimum, $0 commissions
- ✓True fractional shares from $1
- ✓No payment-for-order-flow on equities
- ✓Excellent retirement account support
- ✗Interface is functional, not pretty
- ✗Live chat sometimes routes to FAQ
Charles Schwab
Schwab has the deepest education library of anyone in this list — and not the "blog with affiliate links" kind. Their Insights & Education hub is genuinely structured, courses build sensibly, and there's a level of journalistic detachment that's rare for a brokerage's own content. Onboarding is a touch slower than Fidelity's, and the mobile app is still catching up after the TD Ameritrade integration, but for a beginner who wants to actually learn the craft, this is the most rewarding starting point.
- ✓Best-in-class learning library
- ✓Strong custodial / minor accounts
- ✓"Stock Slices" fractional support
- ✓Reliable phone support — under 4 min
- ✗Mobile UX still in transition
- ✗Slightly more friction on first deposit
SoFi Invest
If your bank, savings and investing already live in one app, SoFi is hard to ignore. The investing surface area isn't deep — there are no mutual funds, and bond access is thin — but for a beginner whose first goal is "put a little money to work alongside the rest of my financial life," it earns its slot. Watch out for the persistent prompts to enrol in other SoFi products; they're more aggressive than at any other broker in this list.
- ✓Banking + invest + loans in one app
- ✓Fractional stocks & ETFs from $5
- ✓Free CFP access at every level
- ✗No mutual funds, thin bond menu
- ✗Frequent cross-product upsells
Robinhood
No first-account list is complete without Robinhood, and the company has spent the past two years quietly maturing — retirement accounts, real fractional shares, and an IRA match that's the only one of its kind. The remaining hesitation is editorial: the app's defaults still nudge novice users toward more activity than necessary, and the home screen orients around what's moving today rather than what you should be doing this quarter. As a polished starter app, it's excellent. As a long-term home, our editors still tend to consolidate elsewhere.
- ✓Industry-leading IRA match (Gold)
- ✓Cleanest mobile UX on this list
- ✓Free options + crypto in one app
- ✗Gamified-feeling order entry
- ✗Limited customer-service depth
- ✗Payment-for-order-flow on equities
M1 Finance
M1's model is genuinely different: you build a "pie" of holdings, deposit, and the platform automatically buys to maintain your weights. For a beginner who wants automation without paying a robo-advisor's management fee, it's a quietly excellent fit. The trade-off is intraday flexibility — orders execute in scheduled trade windows, which can confuse newer users expecting a real-time stock-trading experience.
- ✓Automated, rebalancing portfolios
- ✓Strong fractional support
- ✓No management fee on basic accounts
- ✗Scheduled trade windows only
- ✗Steeper learning curve
Acorns
Acorns isn't a brokerage you graduate from — it's the smallest first step into the habit of investing. The round-up feature shovels small amounts into a diversified ETF basket without you noticing. Once you're depositing $200/month, it's worth migrating to a regular broker; the monthly fee starts to eat returns. As an on-ramp, though, very few products produce the "I have $1,400 I didn't realise I'd saved" moment more reliably.
- ✓Round-up investing builds habits
- ✓Diversified default portfolios
- ✓Great UX for absolute beginners
- ✗Flat monthly fee hurts small balances
- ✗Limited control over holdings
Side-by-side feature comparison
| Broker | Minimum | Fractional | Roth IRA | Mobile app | FT Score |
|---|---|---|---|---|---|
| Fidelity | $0 | From $1 | Yes — no fee | Stable, plain | 94 / 100 |
| Schwab | $0 | $5 (S&P stocks) | Yes — no fee | In transition | 91 / 100 |
| SoFi Invest | $0 | From $5 | Yes — no fee | Excellent | 85 / 100 |
| Robinhood | $0 | From $1 | Yes — 3% match (Gold) | Best on list | 82 / 100 |
| M1 Finance | $100 (taxable) | From $1 | Yes — $0–3/mo plan | Good | 79 / 100 |
| Acorns | $0 | Auto round-up | Yes — $3/mo plan | Excellent | 74 / 100 |
Editorial insights nobody else writes about
"Free" is not the same as "neutral"
Most U.S. brokers stopped charging equity commissions in 2019. They didn't stop making money on your activity — they shifted revenue to payment for order flow, margin lending, securities lending and cash-sweep spread. None of this is inherently bad, and several brokers disclose it transparently. But "free" is the right word for the headline, not for the business model. The question worth asking isn't "does the broker charge me?" — it's "in what direction does the broker have an incentive to nudge me?"
The fractional-shares fine print
Every broker on this list now advertises fractional shares. The detail that varies wildly: which securities are eligible, whether you can place a fractional recurring buy, and how dividends on a fractional position are handled. Fidelity supports fractional purchase and selling on more than 7,000 securities. Schwab's "Stock Slices" only supports buying full names in the S&P 500. M1 supports fractional auto-allocation across your whole pie. The marketing word is identical; the product underneath is genuinely different.
Don't choose a first broker for taxable trading alone
Almost every reader who emails us asking which broker to open has a more important first move: open the Roth IRA. The annual contribution limit is small ($7,000 for most filers in 2026), the tax treatment is the most valuable in U.S. retail finance, and the earlier the years of compounding begin, the more lopsided that asymmetry becomes. When we test brokers, we score the Roth experience nearly as highly as the taxable one — and several brokers that look identical on the surface diverge sharply on retirement-account quality.