7 Essential Apps for Stock Market Investing in 2025: The Complete Guide

The Surge of Investors in Brazil and the Need for Good Platforms

The Brazilian investment market is experiencing unprecedented growth. According to B3 data, over 5 million new investors entered the market in 2024, and projections for 2025 indicate growth of up to 20%. This movement is especially led by millennials and Generation Z, who seek platforms with intuitive interfaces, reduced costs, and easy access to global assets.

The demand for international diversification is also growing rapidly. Investments in cryptocurrencies, international ETFs, and assets listed on foreign exchanges are in high demand. In this scenario, choosing the best app to buy stocks ceases to be a detail and becomes a strategic decision that directly impacts financial results.

The platforms that stand out most in 2025 are those that combine cutting-edge technology, robust security, dollar accounts for international operations, real-time analysis, and gamified financial education. Below, we present a detailed analysis of the main investment apps available in the Brazilian market.

The Criteria That Define a Quality App

Before diving into the specific comparison of each platform, it is essential to understand which elements make an app truly effective for investments:

Security and Regulation: The app must have international certifications and operate under the supervision of reliable regulatory bodies. Security awards are not just marketing—they reflect rigorous audits.

Transparent Fee Structure: Zero brokerage is attractive, but it doesn’t always mean no costs at all. Some apps charge fees to B3, others on specific operations like day trading or swing trading. The important thing is to know the complete fee schedule.

Adaptive Financial Education: The best app to buy stocks offers microlearning content (short videos, interactive quizzes) that adapt to the user’s knowledge level.

Advanced Features: Demo accounts for practice, trading simulators, real-time charts, predictive analysis with AI, and integration with financial goals are increasingly common differentiators.

Variety of Assets: From Brazilian stocks to real estate funds, ETFs, government bonds, cryptocurrencies, and international operations.

Analysis of the 7 Main Investment Apps in 2025

1. Mitrade: The Global Platform with Predictive Technology

Mitrade stands out as one of the best options for investors seeking a secure and intuitive app. Awarded internationally for security and quality, it operates with cutting-edge technology and offers a diversified portfolio: stocks, Bitcoin, forex, gold, crude oil, and other popular global assets.

An important differential is the free demo account, which allows investors to train strategies before investing real capital. The real-time charts and market outlooks available for free in the app help identify opportunities. Account opening is quick (in just minutes) and free of charge.

Rating: 4.6 ⭐ on Google Play and App Store

Advantages:

• Suitable for beginners to intermediates
• Multiple international security awards
• Zero commission fees, no surprises
• Demo account for practice
• Intuitive interface with educational material

Disadvantages:

• Still in the process of consolidating its brand in Brazil

2. Rico: The Bet for Young Investors

Rico has gained space in the Brazilian market with modern language and a focus on beginner investors with lower purchasing power. Part of the XP Inc. group, it offers investments in stock exchanges, government and private bonds, and investment funds. Its main highlight is the quality of accessible educational products on the platform.

Rating: 4.4 ⭐ on Google Play and App Store

Advantages:

• Perfect for beginners
• Free app with zero brokerage (except B3 fees)
• Guaranteed security
• High-quality educational content
• User-friendly interface

Disadvantages:

• Part of the XP group, which some see as market concentration

3. Toro: Technology Combined with Security

Operating since 2017 and acquired by Banco Santander, Toro has gained institutional credibility. It is a fintech that values technology and security, offering users a robust investment portfolio. The app stands out for its extensive educational material, especially benefiting beginner investors.

Rating: 4.4 ⭐ on Google Play and App Store

Advantages:

• Serves beginners to intermediates
• Security with cutting-edge technology
• Multiple brokerage models to choose from
• Quality financial education

Disadvantages:

• Depending on the plan chosen, brokerage fees may impact profits

4. XP Investimentos: The Expanding Giant

XP Investimentos is one of the fastest-growing brokerages in Brazil in recent years. It started as a specialist in large volumes and now also serves individual investors. It offers domestic and international products, with an app that includes a value simulator to compare investments and calculate potential gains before investing.

Rating: 4.6 ⭐ on Google Play and App Store

Advantages:

• Ideal for intermediate investors
• Secure and free app
• Zero brokerage in some products; R$ 2.90 (day trade) and R$ 4.90 (swing trade) in stocks and BDRs
• Educational material and expert recommendations

Disadvantages:

• Main advantages focus on investors with higher capital availability

5. Nu Invest: Innovation from the Digital Bank

NuBank, a pioneer in digital banking in Brazil, expanded its operations with Nu Invest—resulting from the acquisition of the brokerage Easynvest. It offers over a thousand products (stocks, real estate funds, ETFs) and an intuitive app for investing in the stock market.

Rating: 4.6 ⭐ on Google Play and App Store

Advantages:

• Excellent for beginner and conservative investors
• Free app with zero brokerage in some products
• Account opening in minutes
• Robust investment simulator
• Integration with Pix

Disadvantages:

• Recommended mainly for more conservative profiles

6. Inter Invest: Simplified Bank Integration

Banco Inter, well known among Brazilians as a digital bank, also operates as a securities broker. Its Inter Invest functions as an integrated account for bank clients. Quality educational material and competitive fees are positive points.

Rating: 4.8 ⭐ on Google Play and App Store

Advantages:

• Perfect for beginners
• Free app, no brokerage
• Accessible educational material
• Easy to use for bank clients

Disadvantages:

• Exclusive to Banco Inter account holders

7. Avenue: The Portal for International Investments

Avenue is the choice for those who want to invest abroad easily. It offers a US checking account and dollar transactions, ideal for growing wealth internationally. Robust anti-fraud system and easy access for Itaú clients.

Rating: 4.0 ⭐ on Google Play and App Store

Advantages:

• Targeted at intermediate investors
• Security with a good anti-fraud system
• Access to SPACs and international investments
• Dollar account and dollar card

Disadvantages:

• Brokerage costs in dollars can be high

Comparative Table: Choose Based on Your Profile

How to Choose the Best App to Buy Stocks in 2025

Choosing the best app to buy stocks should consider not only features but also your investor profile, available capital, and financial goals.

For Beginners: Rico, Toro, or Nu Invest offer the best educational experiences and accessible interfaces.

For Intermediate Investors Focused on International Markets: Mitrade and Avenue are excellent options, especially if you seek exposure to global markets.

For Conservative Investors: Nu Invest and Banco Inter with Inter Invest provide enhanced security and simplified processes.

For Experienced Investors: XP Investimentos offers advanced products and a wider variety of assets.

Why Timing Is Crucial in 2025

The Brazilian and global stock markets are on an accelerated growth trajectory. Being equipped with an app that combines security, education, and advanced technology is essential to seize opportunities. Brokerages are in healthy competition, offering more features and resources.

The key difference now is not just having a good app—it’s having one that perfectly aligns with your needs. Evaluating national and international reputation, verifying security certifications, comparing fee schedules, and testing demo accounts are essential steps before starting.

If you haven’t invested yet, opening an account takes minutes. If you already invest, it might be time to check if your platform offers the advantages that the 2025 market demands. The journey of a successful investor begins with choosing the right best app to buy stocks.