Compare the Top Online Investing Platforms for Every Investor
We reviewed the leading investing platforms that make it easier to buy, manage, and grow your investments. Whether you’re a beginner building your first portfolio or an experienced trader optimizing returns, these platforms combine ease of use with powerful analytics and trusted security.
Why Use an Online Investing Platform?
Modern investing platforms offer low barriers to entry, professional-level insights, and automation that used to require a full-service broker.
From automated robo-advisors to self-directed investing, these tools simplify wealth-building — giving you control, transparency, and flexibility.
Our Top Investing Platform Picks
| Feature | Public | Ally Invest | M1 Finance | SoFi Invest |
|---|---|---|---|---|
| Type | Social & self-directed investing | Traditional & active trading | Automated & custom portfolios | Beginner-friendly investing & loans |
| Minimum Balance | None | Low | Low | None |
| Account Types | Taxable, IRA | Taxable, IRA, Custodial | Taxable, IRA | Taxable, IRA |
| Fractional Shares | Yes | Yes | Yes | Yes |
| Automated Investing | Partial | No | Yes | Yes |
| Crypto Available | Yes | Yes | No | Yes |
| Affiliate Availability | Impact | Impact | Impact | Impact |
| Differentiator | Social investing community | Full-service with banking tie-in | Hybrid of robo + DIY investing | Integrated with student loans & credit tools |
| Get Public | Get AllyInvest | Get M1Finance | Get SoFi Invest |
Pros & Cons of Investing Platforms
Pros:
- Accessible — start investing with minimal capital
- Transparency and control over your portfolio
- Educational resources for new investors
- Some include automation or social features
Cons:
- Market risk — investments can lose value
- Some features locked behind premium tiers
- Analysis tools vary across platforms
How We Evaluate Investing Platforms
- Ease of Use: Interface and beginner accessibility
- Features: Portfolio options, trading tools, research access
- Automation: Robo-advisors or smart rebalancing
- Security: Account protection and SIPC coverage
- Support: Help resources and response times
Who Should Use an Investing Platform?
- Beginners looking for user-friendly apps and automation
- Intermediate investors wanting control over portfolio allocation
- Long-term planners building tax-advantaged retirement accounts
- Traders looking for tools, charts, and data-driven decisions
The right investing platform depends on your goals — hands-on trading, passive investing, or wealth automation. Public, Ally Invest, M1 Finance, and SoFi Invest each deliver unique benefits for different investor styles.
Compare features, explore their educational tools, and start building your financial future today.