7 Stock Investment Apps for 2025: Which One to Choose?

The Rise of Brazilian Investors and the Need for Suitable Platforms

The investment landscape in Brazil is transforming. In 2024, according to market data, over 5 million new investors entered the stock market, and projections indicate a 20% growth in 2025. This significant increase reflects not only the democratization of access but also the search for tools that meet the expectations of a younger, more technological generation.

Millennials and Gen Z are leading this expansion, prioritizing intuitive apps, competitive fees, and innovative features. The demand for international diversification and exposure to cryptocurrencies has grown substantially, prompting platforms to offer dollar accounts, real-time analysis, and gamified financial education. In this context, choosing the best app to buy stocks is not just a matter of preference but a strategy to maximize returns.

Essential Criteria for Evaluating an Investment App

Before exploring the main options on the market, it is crucial to understand what differentiates a quality platform. A good app for buying stocks should offer much more than ease of access:

Security and Regulation – International certifications and transparency in operations are non-negotiable. The bridge between the investor and the stock exchange must be reliable and secure.

Integration with Financial Goals – Long-term planning tools that allow setting objectives and tracking progress.

Adaptive Education – Microlearning content (short videos, interactive quizzes) for investors at any stage.

Predictive Technology – Use of artificial intelligence to identify trends and optimize resource allocation.

Sustainability – Investment options in ESG (Environmental, Social, Governance).

In an increasingly competitive market, small details make a difference. The choice of the ideal app depends on your investor profile, available capital, and financial goals.

The Main Investment Apps in 2025

Platforms for Beginners

Rico stands out for its youthful approach and accessible language. With a 4.4-star rating, it offers zero brokerage fees (except B3 fees), robust educational content, and a robo-advisor that facilitates decision-making. It is ideal for those starting out and seeking lower initial purchasing power.

Nu Invest, integrated into Nubank’s digital ecosystem, offers over a thousand products (stocks, real estate funds, ETFs). With a 4.6-star rating, it combines easy account opening in minutes, a secure mode, and Pix integration. The fee is zero for most products, with R$ 2.90 (day trade) and R$ 4.90 (swing trade) fees only for stocks and BDRs. Perfect for conservative investors already using the banking app.

Inter Invest offers integration with a digital bank account, maintaining zero fees (except B3) and quality educational material. With a 4.8-star rating, it is well-rated but restricted to Banco Inter clients. The highlight is the simplicity of navigation for users already familiar with the banking platform.

Platforms for Intermediate Investors

Toro, acquired by Banco Santander since 2017, combines cutting-edge technology with robust security. It offers various brokerage models, allowing choice between zero fee or a percentage of profits. With a 4.4-star rating, its differential is the personalized “investor journey,” especially useful for those who want to progress beyond the beginner level.

XP Investimentos has become one of the fastest-growing brokerages in Brazil. With a 4.6-star rating, it offers a value simulator and expert recommendations. The fee structure is R$ 2.90 (day trade) and R$ 4.90 (swing trade) for stocks, with a greater focus on investors with higher capital. Direct access to NASDAQ and NYSE is a significant advantage.

Avenue positions itself as an entry point for international investments. It offers dollar checking accounts and international fund transfers, essential for those seeking to expand their global assets. With a 4.0-star rating, dollar brokerage is more accessible for Itaú clients and includes options like SPACs and dollar cards.

Global Platform of Note

Mitrade emerges as an international alternative with a growing Brazilian presence. With a 4.6-star rating, it operates with advanced technology and offers zero brokerage fees. Its key feature is the free demo account, allowing investors to practice before investing real capital. Additionally, it provides real-time charts, predictive market analysis with AI, and access to multiple asset classes (stocks, Bitcoin, forex, gold, oil). Recognized for international security awards, it is ideal for those who value technology and want to explore global markets.

Simplified Comparison: Finding Your Best App to Buy Stocks

Each platform caters to a specific investor profile:

• Focus on Beginners: Rico (robo-advisor and social community) and Nu Invest (banking integration)
• Focus on Personalization: Toro (varied models and customizable journey)
• Focus on Intermediate Investors: XP Investimentos (access to international markets) and Avenue (dollar accounts)
• Focus on Microinvestors: Inter Invest (reduced minimum deposits)
• Focus on Global Technology: Mitrade (predictive AI, demo account, multiple asset classes)

Why Choosing the Right App Matters

The Brazilian investment market continues on an upward trajectory, with brokerages increasingly prepared and offering sophisticated features. Healthy competition benefits the end investor, who now has access to international platforms with Portuguese support and advanced quality standards.

Paying attention to security, offered functionalities, fee structure, and suitability to your profile is essential. It’s not just about making money but optimizing returns and expanding knowledge in the universe of financial applications.

For beginners, the first step is simple: choose a platform with a demo account or free registration, understand the interface, study the available educational materials, and only then start investing with real capital. The market is ready to welcome you with security and technology.