Updated September 28, 2026 · BrokerCue Editorial Team
Composer vs SoFi
What sets them apart
| Compare |  Composer |  SoFi |
|---|---|---|
| Minimum deposit | $50 | $0Lower |
| Markets | Stocks, ETFs | Stocks, ETFs, Options, CryptoCovers more |
| Regulators | SEC, FINRA, SIPC | SIPC, FDIC |
| Account types | IRA, Roth IRA, Corporate | IRA, Roth IRA, Joint |
| Inactivity fee | Not confirmed | $0 |
Same on both: Stock trade fee ($0), Account fee ($0), Investor protection (SIPC up to USD 500,000).
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Key differences
- Composer scores higher overall: 9.4 vs 9.3.
- Regulators: only Composer offers SEC, FINRA.
- Regulators: only SoFi offers FDIC.
- Minimum deposit is lower at SoFi: $0 vs $50.
- Markets: only SoFi offers Options, Crypto.
- Account types: only Composer offers Corporate.
- Account types: only SoFi offers Joint.
- Features: only SoFi offers Crypto, Fractional shares.
Our verdict on each
Composer
Composer is a US broker for retirement money, with a minimum deposit of $50 and a commission-free model (commission free) across its retirement accounts. It suits savers who want a portfolio of stocks and etfs managed for them, and it is regulated by the SEC and FINRA.
SoFi
SoFi suits retirement savers in the US, with a stock trade fee of $0, an account fee of $0 and a minimum deposit of $0. The named licences are US registrations, so readers outside the US should check the account types and terms first.
Score breakdown
| Area | Composer | SoFi |
|---|---|---|
| Cost | 9.1Costs sit at the floor of the market: a stock trade fee of $0 and an account fee of $0. | 9.5HigherRanks 1 of 161 on stock trade fee, 1 of 138 on account fee, 1 of 56 on inactivity fee. |
| Offer | 9.1 | 9.4Higher |
| Trust | 9.8Higher | 9.2 |
Pick Composer if, pick SoFi if
Pick Composer if trust matter most.
Pick SoFi if cost, offer, minimum deposit, and markets matter most.
The bill, worked out
A year: 5,000 invested, 4 US stock trades a month
Composer
$0
48 × $0 + 1 × $0
SoFi
$0
48 × $0 + 1 × $0
Both come to the same total.
Worked out from the stated prices and rates; your own total depends on how you use it. Facts checked September 26, 2026.
How they place
| Ranking | Composer | SoFi |
|---|---|---|
| Stock and ETF brokers | 44 of 490 | 71 of 490 |
| Investment platforms and apps | 12 of 85 | 17 of 85 |
| IRA providers | 10 of 43 | 13 of 43 |
Every fact side by side
| Fact | Composer | SoFi |
|---|---|---|
| Features | Mobile app | Crypto, Fractional shares, Mobile appCovers more |
| Pricing model | Commission free | Commission free |
| Audience | Not confirmed | Beginners |
| Legal entity | COMPOSER SECURITIES LLC | SOFI SECURITIES LLC |
| Headquarters | Not confirmed | United States |
| Founded | Not confirmed | 2011 |
Robo-advisors
| Fact | Composer | SoFi |
|---|---|---|
| Portfolio types | Not confirmed | ETF, Cash, Crypto |
Where each stands against the rest
| Fact | Composer | SoFi | Median |
|---|---|---|---|
| Minimum deposit | $50above the median | $0below the median | $10 |
| Stock trade fee | $0at the median | $0at the median | $0 |
| Account fee | $0at the median | $0at the median | $0 |
| Inactivity fee | Not confirmed | $0at the median | $0 |
Median across 99 listed brokers.
Pros and cons
Composer
Pros
- The regulators are SEC, FINRA and SIPC, and investor protection is SIPC up to USD 500,000.
- Account types cover ira, roth ira and corporate, which suits ordinary retirement savers as well as company money.
- A mobile app (mobile app) lets you check the account away from a desk.
Cons
- Trading stops at stocks and etfs, so forex, CFDs and crypto sit outside the platform.
- The $50 minimum deposit is above the $0 entry point at CFI and the $5 at Vantage.
- Retail accounts on this site lose money at 70.15% in the median case and 72.03% in the stocks ranking, so a broker-run portfolio still carries real downside.
SoFi
Pros
- A stock trade costs $0 on a commission free model, so cost does not decide which shares you can hold.
- The account fee is $0 and the inactivity fee is $0, so extra accounts and balances left untouched are not billed.
- The minimum deposit is $0 where Vantage asks $5, so a small amount can start an account.
Cons
- The account types listed are ira, roth ira and joint, retirement and joint accounts, and a general taxable account is not among them.
- Markets stop at stocks, etfs and options, while eToro lists stocks, etfs and forex, so forex, CFDs and futures are out of reach here.
- The group sits in US and its registrations are SIPC member 68389 and FDIC cert 26881, with no UK or EU regulator named.
Who each suits
Composer
Who it suits
- Retirement savers who want a broker-run portfolio of stocks and etfs and accept a $50 starting amount.
- Cost-first readers, who get an account fee of $0 and a stock trade fee of $0.
- People happy with US equities and ETFs rather than a long market list; eToro offers stocks, etfs and forex instead.
Who should look elsewhere
- Anyone after forex, CFDs or crypto on the same account, since Composer trades stocks and etfs, while eToro covers stocks, etfs and forex.
- Savers who need to start below $50: CFI opens at $0 and Vantage at $5.
- Investors who want a taxable general account, as the account types are ira, roth ira and corporate and centre on retirement and corporate money.
SoFi
Who it suits
- Beginners, which the audience fact lists as beginners, who want to start small with a $0 minimum deposit.
- Retirement savers who want an IRA, a Roth IRA or a joint account at $0 in account fees.
- Fractional share buyers who want crypto and equities in the same app, as the feature list crypto, fractional shares and mobile app shows.
Who should look elsewhere
- Traders after forex, CFDs or futures, since eToro lists stocks, etfs and forex and SoFi lists stocks, etfs and options.
- Investors who want a broader spread of instruments than shares, ETFs, options and crypto, since CFI lists stocks, etfs and forex.
- Readers who need a UK or EU regulated provider, because the licences named are SIPC member 68389 and FDIC cert 26881.
Country by country
| Country | Composer | SoFi |
|---|---|---|
| United States | Yes | Yes |
Questions about each
Composer
What does it cost to hold a Composer account?+
The account fee is $0 and the stock trade fee is $0, so there is no per-trade charge on a buy or a sell. The minimum deposit is $50 and all amounts are quoted in USD. Check the current pricing before funding, since fee levels are what usually change first.
How much do I need to open an account?+
Composer asks for a minimum deposit of $50. That sits under the site median of €4.64 and under the stocks-ranking median of €6.17, so the entry point is modest for a retirement account. Amounts are quoted in USD.
SoFi
What does it cost to open and hold a SoFi account?+
The published minimum deposit is $0, the account fee is $0 and the inactivity fee is $0, so opening and holding an account adds no charge on the listed terms. Those are account level figures, which is the first thing to check before you choose a wrapper or leave a balance untouched.
What does a stock trade cost?+
A stock trade costs $0 and the pricing model is commission free, so commission does not decide which shares you can hold. Other brands on the site charge a stock trade fee as high as €17.54, and the account fee of $0 and inactivity fee of $0 add nothing on top.