FPS or First-Person Shooter games have their roots in PC gaming. Titles like Call of Duty, Counter-Strike, and Doom Eternal have paved the way for the immense popularity of the genre over the last couple of decades. But as the mobile platform became more capable and diverse, the FPS games steadily made their way to it making it enjoyable even without a stacked PC. Here is a list of the best FPS for android, and iOS that you can play without money. Top 10 Open Source FPS Games for Android, iOS Mask Gun Mask was released by SuperGaming studios in 2019. The game currently has a 4.1 rating on the play store with a 159 MB download size. If customization and options are a thing, then Mask Gun is definitely the master of it. The game offers some of the highest customizations a player can think of. From skins to guns to characters themselves, everything can be customized as per the choice of the player. There are 1v1 as well as 5v5 battle options for players to choose from. The game can be played for free on both iOS and Android platforms. Read Best Free Kabaddi Games for Android, iOS Infinity Ops: Cyberpunk FPS Developed by the same studio as World War Heroes, the Infinity Ops: Cyberpunk FPS was first released in 2018. The game has a 4.3 rating on the play store and a 443 MB download size. The game features a battle royale-like setup with 4 different options. There are tons of roles that the players can take up in this game. But perhaps the most exciting feature of the game is the Cyberpunk-like setup. Even mobile players can now have the cyberpunk-like experience thanks to the game design of Infinity Ops. Call of Duty Mobile Call of Duty is often considered the game that started the fps frenzy. Now the game has made its way to the mobile platform in 2019 thanks to Activision and Unity Engine. The game has a 4.2 rating on the play store with a 2.3 GB download size. Read eSports: How to Build a Career in Online Multiplayer Gaming The COD Mobile simplifies the PC gaming experience of different COD renditions seen over the years. Rather than following a single storyline like the PCs, the mobile version brings PVE, sniper, and battle royale simulation to the players. The graphics and the controls are similar to the PCs so players can expect an adrenaline-filled shooting run with this one. The game is available for free to download with in-app purchases on both Android and iOS platforms. World War Heroes World War Heroes is a relatively new name in the FPS genre and was exclusively developed for the mobile platform by Azure Interactive. The game was released in 2017 and has a 4.4 rating on the play store. It has a 1.3 GB download size but that varies from device to device.