The cost of developing a crypto wallet app depends on several key factors, including the type of wallet (hot or cold, custodial or non-custodial), the number of supported cryptocurrencies, and the platforms it’s being built for (iOS, Android, Web). The inclusion of advanced features like multi-signature support, biometric authentication, in-app crypto swaps, or DeFi integration can significantly increase development costs. Additionally, the choice of blockchain network (like Ethereum, Bitcoin, or multi-chain support), the complexity of the user interface, the level of security protocols, and compliance requirements also play a major role. Finally, the experience of the development team and the region where the development takes place can greatly influence the overall budget.