Which Trading Apps Have the Lowest Fees? (USA 2026).
The trading app with the lowest fees depends entirely on what you trade and how often. For stock commissions, every major US app charges $0 — there’s no winner because there’s no difference. For options, the gap runs from paying $0.65 per contract to receiving rebates. For fund costs, the difference between 0.00% and 1.00% expense ratio on $100,000 over 30 years is $280,000 in lost wealth. Choosing the lowest-fee app requires matching the right platform to your specific trading pattern.
This guide names the lowest-fee app in every major category and identifies the single cheapest option for each investor type.

Quick Answer: Lowest Fees by Category
| Fee Category | Lowest Fee App | Fee | Runner-Up |
|---|---|---|---|
| Stock commissions | All major apps tied | $0 | — |
| Options contract fees | Public | $0 + rebates | Robinhood / Webull ($0) |
| Fund expense ratios | Fidelity | 0.00% (FZROX) | Vanguard / Schwab (0.03%) |
| Margin interest rates | Interactive Brokers | ~6.83% | Robinhood Gold (~7.25%) |
| Monthly subscription | Most major apps | $0 | — |
| Robo-advisor fee | SoFi Invest / Schwab | $0 | Betterment (0.25%/yr) |
| ACAT transfer out | Fidelity / Robinhood / IBKR | $0 | Schwab ($25) |
| Crypto spreads | IBKR | ~0.15% | Coinbase Advanced (0.1–0.6%) |
Category 1: Stock and ETF Commissions — Tied at $0
Every significant US trading app charges $0 to buy or sell US-listed stocks and ETFs online. This includes Fidelity, Schwab, Robinhood, Webull, Interactive Brokers Lite, E*TRADE, tastytrade, Moomoo, SoFi, Public, Firstrade, Vanguard, Merrill Edge, Ally Invest, and J.P. Morgan.
Winner: No winner — universally $0.
The only exception is Interactive Brokers Pro ($0.0005/share, minimum $1), which some professional traders prefer in exchange for lower margin rates and better execution.
For stock commissions specifically, there is no reason to choose one app over another. The differentiation happens in every other fee category.
Category 2: Options Contract Fees — Public Leads, Six Apps at $0Options contract fees range from receiving money back (Public) to paying $0.65 per contract — the widest fee spread of any trading category.
Options Fee Rankings: Lowest to Highest
| Rank | Platform | Per Contract | Annual Cost (50 round-trips/month) |
|---|---|---|---|
| 1 | Public | $0 + $0.06–$0.18 rebate | -$36 to -$108 earned |
| 2 | Robinhood | $0 | $0 |
| 2 | Webull | $0 | $0 |
| 2 | Moomoo | $0 | $0 |
| 2 | SoFi Invest | $0 | $0 |
| 2 | Firstrade | $0 | $0 |
| 7 | tastytrade | $1 open / $0 close | $600 |
| 8 | Ally Invest | $0.50 | $600 |
| 9 | Fidelity | $0.65 | $780 |
| 9 | Schwab | $0.65 | $780 |
| 9 | IBKR | $0.65 | $780 |
| 9 | E*TRADE | $0.65 ($0.50 vol.) | $600–$780 |
| 9 | Merrill Edge | $0.65 | $780 |
| 9 | J.P. Morgan | $0.65 | $780 |
Winner: Public — the only platform that pays you to trade options ($0.06–$0.18 rebate per contract).
Best $0/contract platforms: Robinhood, Webull, Moomoo, SoFi, Firstrade. All charge nothing to open or close any options position.
The tastytrade distinction: tastytrade’s $10/leg cap makes it the cheapest platform for very large single-leg orders (over 10 contracts at once). A 50-contract order costs $10 at tastytrade vs. $32.50 at Robinhood ($0) — wait, $0 is still cheaper. The cap only helps vs. $0.65 platforms at high volumes. At 50 contracts/order: tastytrade costs $10 vs. E*TRADE’s $32.50 — tastytrade wins that specific comparison.
Annual savings of $0 options vs. $0.65 options:
| Monthly Volume | Annual Saving ($0 vs $0.65) |
|---|---|
| 10 contracts | $156 |
| 50 contracts | $780 |
| 100 contracts | $1,560 |
| 200 contracts | $3,120 |
Category 3: Fund Expense Ratios — Fidelity Has No Competition
For long-term investors, fund expense ratios are the most financially significant fee category — and Fidelity’s 0.00% FZROX is the only true zero available anywhere.
Lowest Expense Ratio Funds by Platform
| Platform | Lowest Fund | Expense Ratio | On $100K/30yrs | Wealth Lost vs. 0.00% |
|---|---|---|---|---|
| Fidelity | FZROX | 0.00% | $761,226 | $0 |
| Fidelity | FZILX (Intl) | 0.00% | — | $0 |
| Vanguard | VTI | 0.03% | $738,461 | ~$22,765 |
| Schwab | SCHB | 0.03% | $738,461 | ~$22,765 |
| Fidelity | FXAIX (S&P 500) | 0.015% | $749,700 | ~$11,526 |
| All platforms | Standard ETFs | 0.03%+ | 0.03%+ | Varies |
Winner: Fidelity — FZROX and FZILX at 0.00% are exclusive to Fidelity and are the lowest-cost index funds available anywhere in the world. Every other platform offers 0.03% as the best comparable option.
The 30-year dollar difference between 0.00% and 0.03% on $100,000:
- FZROX (0.00%): $761,226
- VTI (0.03%): $738,461
- Difference: $22,765 — from a seemingly negligible 0.03% annual difference
For investors who will hold index funds for decades, Fidelity’s exclusive 0.00% funds represent a meaningful long-term advantage unavailable anywhere else.
Category 4: Margin Interest Rates — Interactive Brokers Dominates
Margin rates determine the annual interest cost of borrowing money to amplify positions. The gap between the cheapest and most expensive platforms is enormous — often more than the stock commission difference would ever matter.
Margin Rate Comparison (Balance: $25,000–$100,000)
| Platform | Approximate Rate | Annual Interest on $25K | Annual Interest on $100K |
|---|---|---|---|
| Interactive Brokers (Pro) | ~6.83% | $1,708 | $6,830 |
| Robinhood (Gold) | ~7.25% | $1,813 | $7,250 |
| Moomoo | ~6.8% | $1,700 | $6,800 |
| Webull | ~8.74% | $2,185 | $8,740 |
| Firstrade | ~8.00% | $2,000 | $8,000 |
| Fidelity | ~8.25–9.00% | $2,063–$2,250 | $8,250–$9,000 |
| E*TRADE | ~12.00%+ | $3,000 | $12,000+ |
| Schwab | ~12.00%+ | $3,000 | $12,000+ |
Winner: Interactive Brokers (Pro) and Moomoo — both at approximately 6.8–6.83%.
The savings from choosing IBKR over Schwab on $25,000 margin:
IBKR at 6.83%: $1,708/year Schwab at 12.00%: $3,000/year Annual saving: $1,292
Over 5 years of sustained margin use: approximately $6,460 in saved interest — purely from platform choice.
Robinhood Gold’s competitive position: At ~7.25% with a $5/month subscription ($60/year), Robinhood is the most accessible low-margin-rate option for smaller accounts. The $60 subscription pays for itself rapidly for anyone borrowing over $2,000 regularly.

Category 5: Monthly Subscription Fees — Most Apps Are Free
The majority of major US trading apps charge $0 monthly fees for full access to their core trading features.
Apps with $0 Monthly Fees (Full Feature Access)
$0/month, no subscription required for core trading: Fidelity, Schwab (standard), Robinhood (standard), Webull (standard), Interactive Brokers Lite, E*TRADE, tastytrade, Moomoo, SoFi Invest, Public (standard), Firstrade, Vanguard, Merrill Edge, J.P. Morgan, Ally Invest.
Apps charging monthly fees for basic or full access:
| App | Monthly Fee | Annual Cost | Fee Required For |
|---|---|---|---|
| Acorns Personal | $3 | $36 | Any investing at all |
| Acorns Family | $5 | $60 | Family features |
| M1 Finance | $3 | $36 | Balances under $10,000 |
| Robinhood Gold | $5 | $60 | 3% IRA match, 4.5% APY, Morningstar |
| Webull Premium | $14.99+ | $180+ | Level II data, enhanced IRA match |
| Public Premium | $10 | $120 | Higher APY, enhanced rebates |
Winner: All major traditional trading apps — $0 monthly fee.
Acorns and M1 Finance require subscriptions for basic access. Robinhood Gold, Webull Premium, and Public Premium are optional upgrades that may or may not justify their cost depending on usage.
Category 6: Robo-Advisor Management Fees — SoFi and Schwab Charge $0
For investors who want automated portfolio management, the management fee range runs from $0 to 0.50%/year.
Robo-Advisor Fee Comparison
| Platform | Management Fee | Min. Balance | True Annual Cost (includes fund ERs) |
|---|---|---|---|
| SoFi Invest | $0 | $0 | ~0.03–0.08% (fund ERs only) |
| Schwab Intelligent Portfolios | $0 | $5,000 | ~0.05–0.20% (fund ERs only) |
| Vanguard Digital Advisor | 0.20% | $100 | ~0.23–0.30% |
| Betterment | 0.25% | $0 | ~0.32–0.40% |
| Wealthfront | 0.25% | $500 | ~0.31–0.38% |
| Fidelity Go | 0.35% (>$25K) | $0 | ~0.35% |
| E*TRADE Core Portfolios | 0.30% | $500 | ~0.35–0.45% |
Winner: SoFi Invest ($0) and Schwab Intelligent Portfolios ($0).
Both charge zero management fee — the automated portfolio management itself is free. You only pay the underlying ETF expense ratios (typically 0.03–0.20%), making these the lowest true-cost automated investing options available.
The 20-year savings from $0 vs. 0.25% management fee on $50,000:
SoFi at $0 management: ~$270,000 final balance Betterment at 0.25%: ~$255,000 final balance SoFi advantage: ~$15,000 over 20 years from the eliminated management fee alone.
Category 7: Transfer Fees — Fidelity, Robinhood, IBKR Charge $0
ACAT transfer fees apply when moving your account from one brokerage to another. These fees matter most when you want to switch platforms after initially choosing a higher-fee option.
Outgoing ACAT Transfer Fee Comparison
| Platform | Full Transfer Fee | Partial Transfer Fee |
|---|---|---|
| Fidelity | $0 | $0 |
| Robinhood | $0 | $0 |
| Interactive Brokers | $0 | $0 |
| tastytrade | $0 | $0 |
| SoFi Invest | $0 | $0 |
| Schwab | $25 | $25 |
| E*TRADE | $25 | $25 |
| Merrill Edge | $49.95 | $49.95 |
| Ally Invest | $50 | $50 |
| Webull | $75 | $75 |
Winner: Fidelity, Robinhood, Interactive Brokers, tastytrade, SoFi — all $0.
Worst: Webull at $75 — the highest outgoing transfer fee of any major US trading app. This creates a genuine switching cost for investors who started on Webull and want to move elsewhere. Most receiving brokerages offer transfer fee reimbursements for sufficient incoming account sizes — check before initiating.
Category 8: Crypto Trading Costs — IBKR Leads Among Traditional Apps
Crypto costs at traditional trading apps are embedded in spread markups rather than explicit commissions. IBKR charges the lowest spreads of any traditional brokerage.
Crypto Cost Comparison
| Platform | Spread/Fee | Cost on $5,000 Purchase |
|---|---|---|
| Interactive Brokers | ~0.12–0.18% | $6–$9 |
| Robinhood | ~0.5–1.5% | $25–$75 |
| Webull Pay | ~1.0% | $50 |
| Public | ~1.0–1.5% | $50–$75 |
| Coinbase (retail) | 1.5–3.5% | $75–$175 |
| Coinbase Advanced | 0.0–0.6% | $0–$30 |
| Kraken Pro | 0.0–0.26% | $0–$13 |
Winner among traditional trading apps: Interactive Brokers at ~0.15%. Winner overall: Dedicated exchanges (Coinbase Advanced, Kraken Pro) at 0.1–0.26% maker/taker.
For frequent crypto buyers, dedicated crypto exchanges deliver significantly lower costs than the embedded spreads at traditional stock trading apps.
The Lowest-Fee App by Investor Type: Direct Answers
For the Long-Term Index Fund Investor
Lowest-fee app: Fidelity
Total annual cost at Fidelity (FZROX in Roth IRA): $0. Zero commissions, zero expense ratio, zero account fees, no subscription required, competitive default cash rate through SPAXX. No other platform matches this across all cost layers simultaneously.
If you won’t use Fidelity for any reason: Vanguard (VTI at 0.03%, $0 account fees) or Schwab (SCHB at 0.03%) are both excellent second choices at very close to $0 annual cost when cash is properly positioned.
For the Active Options Trader

Lowest-fee app: Robinhood or Webull (tied for the $0/contract advantage)
Public technically wins (pays rebates), but its platform is less suited to high-frequency options activity than Robinhood or Webull. Between Robinhood and Webull, Webull offers more analytical tools free; Robinhood offers a cleaner mobile interface and IRA match.
Annual savings vs. Fidelity or Schwab at 50 contracts/month: $780/year.
For the Automated Portfolio Investor
Lowest-fee app: SoFi Invest ($0 management fee, no minimum)
Schwab Intelligent Portfolios is equally $0 in management fees but requires $5,000 to start. For investors who can meet the minimum, Schwab provides broader investment selection and stronger platform backing. For investors starting with less than $5,000, SoFi is the only $0-management option.
For the Margin Trader
Lowest-fee app: Interactive Brokers (Pro)
IBKR’s ~6.83% margin rate is 50–60% lower than Schwab and E*TRADE. On $50,000 in margin, this saves $2,600–$2,700/year in interest vs. platforms at 12%+. The per-share commission on IBKR Pro is nearly zero on standard trades and is typically offset by the margin rate savings within the first month.
Runner-up: Robinhood Gold — ~7.25% margin rate with $5/month subscription. Best for smaller margin balances where IBKR’s platform complexity isn’t worth the learning investment.
For the Beginner Investor
Lowest-fee app: Fidelity (tied with Robinhood for simplicity)
Fidelity is cheapest overall (0.00% FZROX, $0 everything). Robinhood is cheapest for the fastest, simplest start with genuinely $0 options fees and fractional shares from $1. Either choice works at $0 total cost for a standard beginner workflow of stock and ETF trades in a Roth IRA.
For the Day Trader
Lowest-fee app: Interactive Brokers Pro
Day traders who use margin benefit from IBKR’s industry-lowest rates. Day traders who trade options benefit from either IBKR’s volume discounts at high frequency or Robinhood/Webull’s $0/contract structure at lower volumes. Day traders who need global market access have no alternative to IBKR.
Which Apps Have the Lowest Fees Overall? A Definitive Ranking
Ranked by total fee burden across all categories for a typical retail investor (not including high-volume professional trading):
Tier 1 — Genuinely lowest fees across all layers:
Fidelity — The only platform offering 0.00% expense ratio funds + $0 commissions + $0 account fees + $0 ACAT transfers + no subscription + competitive cash rates. Wins the overall lowest-fee title by a meaningful margin for long-term investors.
Tier 2 — Lowest in their specific category:
Robinhood — Lowest options fees ($0/contract), lowest ACAT fee ($0), competitive margin rates (Gold), IRA match that generates net positive value for contributors.
Webull — Lowest options fees ($0/contract), $0 stock commissions, competitive margin rates, $0 ACAT transfer fee.
Public — Actually pays you to trade options (rebates), $0 everything else for stock trading, no PFOF on equities.
Interactive Brokers — Lowest margin rates in the retail industry (~6.83%), $0 ACAT transfer, lowest crypto spreads among traditional apps.
SoFi Invest — Lowest robo-advisor management fee ($0), $0 options fees, no subscription required.
Tier 3 — Competitive but not cheapest in key categories:
Charles Schwab, E*TRADE, Merrill Edge — $0 stock commissions but $0.65/contract options fees, $25 ACAT transfer fees, and (at Schwab) default cash sweep that requires manual optimization.
Vanguard — Excellent for index fund costs (VTI at 0.03%) but $20 transfer fee for non-Vanguard funds and a less competitive mobile trading experience.
Full Side-by-Side: 14 Apps Ranked by Fee Category
| App | Stocks | Options | Best Fund ER | Margin | Monthly Fee | ACAT Out | Score |
|---|---|---|---|---|---|---|---|
| Fidelity | $0 | $0.65 | 0.00% | ~9% | $0 | $0 | ⭐⭐⭐⭐⭐ |
| Robinhood | $0 | $0 | 0.03% | ~7.25% | $0 | $0 | ⭐⭐⭐⭐⭐ |
| Webull | $0 | $0 | 0.03% | ~8.74% | $0 | $75 | ⭐⭐⭐⭐ |
| Public | $0 | +rebate | 0.03% | N/A | $0 | $0 | ⭐⭐⭐⭐ |
| IBKR Lite | $0 | $0.65 | 0.03% | ~6.83% | $0 | $0 | ⭐⭐⭐⭐ |
| SoFi Invest | $0 | $0 | 0.03% | N/A | $0 | $0 | ⭐⭐⭐⭐ |
| Moomoo | $0 | $0 | 0.03% | ~6.8% | $0 | Varies | ⭐⭐⭐⭐ |
| Firstrade | $0 | $0 | 0.03% | ~8% | $0 | $0 | ⭐⭐⭐⭐ |
| Schwab | $0 | $0.65 | 0.03% | ~12% | $0 | $25 | ⭐⭐⭐ |
| Ally Invest | $0 | $0.50 | 0.03% | ~9% | $0 | $50 | ⭐⭐⭐ |
| E*TRADE | $0 | $0.65 | 0.03% | ~12% | $0 | $25 | ⭐⭐⭐ |
| tastytrade | $0 | $1/$0 | 0.03% | Varies | $0 | $0 | ⭐⭐⭐ |
| Merrill Edge | $0 | $0.65 | 0.03% | ~10% | $0 | $49.95 | ⭐⭐⭐ |
| Vanguard | $0 | $0 | 0.03% | N/A | $0 | $0 (own) | ⭐⭐⭐ |
The Fee That Matters Most — By Investor Type
One fee category matters more than all others depending on how you invest:
If you hold index funds long-term: Expense ratio. Fidelity’s 0.00% FZROX saves $22,000–$280,000 vs. higher-cost funds over 30 years on $100,000. No commission difference between platforms approaches this.
If you trade options actively: Options contract fee. The $0 vs. $0.65 gap saves $780–$7,800/year at common trading volumes. No other fee category produces this magnitude of ongoing impact for options traders.
If you use margin: Margin interest rate. IBKR’s ~6.83% vs. Schwab’s ~12.00% saves $1,292/year on $25,000 borrowed — growing proportionally with margin balance.
If you use a robo-advisor: Management fee. SoFi’s $0 vs. Betterment’s 0.25% saves $15,000+ over 20 years on $50,000 in managed assets.
If you trade crypto: Spread. IBKR or dedicated exchanges at 0.1–0.2% vs. 1% traditional app spreads saves $45–$90 per $5,000 transaction.
FAQ
Q: Which trading app has zero fees? For stock and ETF trades: every major US app charges $0. For the lowest total cost across all fee layers: Fidelity charges $0 for stock commissions, offers FZROX at 0.00% expense ratio, has $0 account fees, $0 ACAT transfers, and no subscription requirement — the closest to genuinely zero total cost of any major US platform.
Q: Is Robinhood the cheapest trading app? For options traders: yes — $0/contract makes it one of the cheapest for active options activity. For long-term index fund investors: no — Fidelity’s 0.00% FZROX is cheaper than any fund available at Robinhood over a long holding period.
Q: Does Fidelity really charge nothing? For long-term stock and ETF investors using FZROX in a Roth IRA: the total annual cost is genuinely $0. The $0.65/contract options fee applies to options traders, and the $10 wire fee applies when wiring money. For standard Roth IRA index fund investors making occasional trades, total cost is $0.
Q: Why do Schwab and Fidelity still charge $0.65 for options when others charge $0? Business model differences. Fidelity and Schwab generate most revenue from net interest income on client cash — options commissions are secondary. Robinhood and Webull generate revenue from payment for order flow on options trades, making it possible to eliminate the per-contract fee. The industry trend is toward $0 options fees — the same pattern that eliminated stock commissions in 2019–2020.
Q: What’s the cheapest trading app for beginners? Fidelity for long-term lowest cost: 0.00% FZROX, $0 everything, best education, 24/7 human support. Robinhood for the fastest zero-cost start: $0 commissions, $0 options fees, $1 fractional shares, account open in 10 minutes.

Internal linking suggestions:
- “Stock Trading App Fees USA (2026)“
- “Trading App Commission Comparison USA (2026)”
- “Cost of Stock Trading Apps USA (2026)“
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