As of now, there are several cryptocurrency apps available for download in Ouagadougou, Burkina Faso. However, it is important to note that the popularity and ranking of these apps may vary depending on user preferences and market trends. Here are some of the top cryptocurrency apps that are commonly downloaded in Ouagadougou:

1. Binance: Binance is one of the largest and most popular cryptocurrency exchange platforms in the world. It offers a wide range of cryptocurrencies for trading and has a user-friendly interface that makes it easy for beginners to navigate.

2. Coinbase: Coinbase is another popular cryptocurrency exchange platform that is known for its security features and user-friendly interface. It allows users to buy, sell, and store a variety of cryptocurrencies, including Bitcoin, Ethereum, and Litecoin.

3. Trust Wallet: Trust Wallet is a mobile cryptocurrency wallet that allows users to securely store and manage their digital assets. It supports a wide range of cryptocurrencies and tokens and offers features such as in-app exchange and decentralized finance (DeFi) integration.

4. CoinMarketCap: CoinMarketCap is a popular cryptocurrency tracking website that also offers a mobile app for users to stay updated on the latest market trends and prices. It provides real-time data on thousands of cryptocurrencies and allows users to create watchlists and set price alerts.

5. Crypto.com: Crypto.com is a cryptocurrency platform that offers a variety of services, including a mobile wallet, exchange, and debit card. It allows users to buy, sell, and spend cryptocurrencies and offers features such as cashback rewards and staking options.

Overall, these are some of the top cryptocurrency apps that are commonly downloaded in Ouagadougou, Burkina Faso. However, it is recommended for users to conduct their own research and choose an app that best suits their needs and preferences.