7 Apps to Invest in Stocks: Comparative Guide for 2025

The Brazilian investment market is in full expansion. According to market data, more than 5 million new investors entered the stock market in 2024, with a forecasted growth of 20% in 2025. This boom is mainly driven by millennials and Gen Z, who seek intuitive platforms with competitive fees. Simultaneously, demand for international investments and cryptocurrencies is growing, reflecting an interest in global diversification.

In this scenario, choosing the right app to invest in stocks has become a crucial decision. An inadequate platform can harm your gains, while the right choice broadens your profit opportunities and facilitates your journey as an investor.

What to evaluate when choosing a stock app

It’s not enough just to access a stock trading app. You need to consider criteria that evolve as the market becomes more sophisticated:

• Security and Certifications: Check for international awards and regulatory compliance
• Fee Structure: Transparent commissions without surprises, ideally zero brokerage in certain products
• Educational Tools: Platforms with microlearning content (videos, quizzes, webinars)
• Integration with Financial Planning: Features for long-term goals and simulators
• Predictive Technology: Use of AI for real-time market analysis
• Asset Diversification: Access to domestic and international stocks, ETFs, real estate funds, and cryptocurrencies
• Sustainability: ESG investment options (environmental, social, and governance)

These factors ensure you have autonomy, knowledge, and proper tools to optimize your gains.

Analysis of the 7 top stock apps in 2025

1. Platform Focused on Beginners (Demo Account Available)

One of the leading platforms offers global features with cutting-edge technology. Its highlight is allowing investors to practice before investing real money, through a demo account. The app provides real-time charts, market analysis, and access to various assets (stocks, gold, oil, Bitcoin, and FOREX).

Rating: 4.6 ⭐ | Beginner to Intermediate

• ✓ Free app with zero commissions and no hidden fees
• ✓ Quality educational material
• ✓ Integrated market forecast
• ✓ Demo account for safe practice
• ✗ Less recognized in Brazil

2. App Focused on Young Audience

Linked to a major investment group, this platform adopts modern language and accessibility for investors with lower purchasing power. It offers stocks, public/private bonds, and funds with a strong educational component.

Rating: 4.4 ⭐ | Beginner

• ✓ Zero brokerage (except B3 fees)
• ✓ Robust educational content
• ✓ User-friendly interface for beginners
• ✗ Integration with larger group may limit independence

3. Fintech with Enhanced Security

Acquired by a traditional financial institution, this fintech prioritizes technology and security. Its app offers extensive educational material and adapts to beginner investors. The platform provides different brokerage models.

Rating: 4.4 ⭐ | Beginner to Intermediate

• ✓ Cutting-edge technology and robust security
• ✓ Various fee models (zero or percentage on profit)
• ✓ Extensive educational material
• ✗ Brokerage fees may impact profitability depending on the plan

4. Platform for Intermediate Investors

Significant growth in recent years due to portfolio expansion. Besides large volumes, it now serves individual investors. Offers a wide range of domestic and international products with an integrated value simulator.

Rating: 4.6 ⭐ | Intermediate

• ✓ Simulator to compare investments before committing
• ✓ Zero brokerage on some products
• ✓ Educational material and expert recommendations
• ✗ Main advantages aimed at investors with higher capital

5. Digital Bank with Investment Platform

This digital bank has added a brokerage through acquisition. The integrated platform offers over a thousand products (stocks, real estate funds, ETFs). Quick account opening and a app with a good simulator.

Rating: 4.6 ⭐ | Beginner / Conservative

• ✓ Zero brokerage on some products
• ✓ Account opening in minutes
• ✓ Functional simulator app
• ✗ Recommended for conservative profiles

6. Digital Bank Focused on Microinvestors

Known digital bank offers an integrated investment app for its clients, with quality educational material and competitive fees. Exclusive access for the institution’s clients.

Rating: 4.8 ⭐ | Beginner

• ✓ Zero brokerage (except B3 fees)
• ✓ Quality educational material
• ✓ Easy to use for clients
• ✗ Access restricted to bank clients only

7. Platform Oriented to International Investments

Brokerage specialized in overseas operations. Offers dollar checking accounts, robust anti-fraud systems, and facilities for intermediate investors seeking international wealth growth.

Rating: 4.0 ⭐ | Intermediate

• ✓ Dollar account and investments abroad
• ✓ Advanced anti-fraud system
• ✓ Easy access for partner bank clients
• ✗ Brokerage with additional costs in dollars

Quick Comparison: Which to Choose?

Why Choosing the Right App Matters for Your Gains

The Brazilian stock market is growing exponentially, and brokerages compete by offering increasingly sophisticated features. An inadequate app not only limits your operations but also jeopardizes your gains through high fees or lack of analytical tools.

Assessing security, functionalities, and advantages before investing is essential. Modern platforms now incorporate AI to identify trends, gamified education, and integration with financial goals. For beginners, quality educational material makes a crucial difference. For intermediates, access to international markets and advanced tools are priorities.

The decision on which app to use for investing in stocks should consider your investor profile, available capital, long-term goals, and market knowledge. Conservative investors benefit from platforms with integrated safe modes, while intermediate traders prioritize execution speed and access to multiple markets.

This is a rapidly evolving landscape. Brokerages continue innovating, fees become more competitive, and competition benefits the investor. Staying alert to changes and the best available options is a key strategy to maximize your opportunities in the stock market in 2025.