What's the best free iOS game for first-person shooter fans who want competitive multiplayer action, realistic graphics, and customizable weapons?

Delta Force is a great free iOS game for first-person shooter fans, offering competitive multiplayer modes, impressive graphics, and extensive weapon customization. Players can engage in fast-paced battles across diverse maps, utilizing a wide array of weapons that can be personalized to suit their play style. The game's realistic graphics enhance the immersive experience, making it feel like a console-quality shooter on a mobile device. Delta Force also features various game modes, ensuring there's always a fresh challenge to tackle. To customize your weapons, navigate to the loadout section in the main menu, where you can modify attachments, skins, and other performance-enhancing features. The controls are intuitive and adjustable, allowing players to fine-tune their aiming and movement for optimal performance. Delta Force provides a compelling and engaging experience for anyone looking for intense FPS action on their iOS device.