A universal TV remote app controls your TV, adjusting volume, switching channels, and changing inputs, just like a physical remote. A casting app does something different: it sends your phone or tablet screen to your TV so you can watch content on the big screen. They solve two separate problems, and knowing which one you need saves you a lot of confusion.
Some apps combine both functions, but most are built for one purpose. The right choice depends on whether you want to control your TV or share your screen to it.
Below, we break down exactly how each type works, what they can and cannot do, and how to figure out which one fits your setup.
What can a casting app do that a TV remote app can’t?
A casting app mirrors or streams your device screen directly to your TV. A TV remote app cannot do this. Remote apps send commands to your TV, such as volume up or channel changes. Casting apps go further by transmitting what is actually on your phone or tablet screen, including video, photos, presentations, and apps, to the TV display.
Think of it this way: a remote app is a replacement for the plastic controller sitting on your couch. A casting app is more like a wireless cable connecting your phone to your TV screen.
With a casting app, you can:
- Watch a video from your phone on the TV
- Share photos with everyone in the room on a bigger screen
- Run a presentation from your tablet without any cables
- Play a mobile game on your television
- Show a website or document to a group
A TV remote app simply cannot do any of that. It sends button-press signals to your TV. It does not move content from your device to the screen.
How does screen casting actually work?
Screen casting works by connecting your phone or tablet to your TV over the same Wi-Fi network. The casting app encodes what is on your device screen and transmits it wirelessly to your TV in real time. Your TV receives that signal and displays it, usually with only a small delay.
No cables, no hardware dongles, and no complicated setup are required. As long as both devices share the same Wi-Fi connection, the app handles everything else automatically.
Most Smart TVs from brands like Samsung, LG, Hisense, Sony, and Philips support incoming cast connections directly. Streaming sticks like Amazon Fire TV and Roku also work with casting apps. The app on your phone finds compatible devices on the network and connects to them in a few taps.
The quality of the cast depends on your Wi-Fi signal strength. A strong, stable connection produces smooth, high-definition mirroring. A weak signal can cause lag or dropped frames, so casting works best when your phone and TV are reasonably close to your router.
Do you need both a remote app and a casting app?
Not necessarily. If your goal is to watch content from your phone on a bigger screen, a casting app is all you need. If you just want to control your TV without searching for the physical remote, a TV remote app is enough. You only need both if you want to cast content and control your TV from the same device.
For most people, the two apps serve different moments. You might use a casting app when watching a show saved on your phone, and a remote app when you want to adjust the volume on a streaming service already running on the TV itself.
Some apps bundle both features together, which can simplify things if you want a single solution for your home entertainment setup.
Which devices work with screen casting apps?
Screen casting apps work with a wide range of devices on both the sending and receiving end. On the sending side, iPhones, iPads, Android phones, Android tablets, and Mac computers all support casting apps. On the receiving side, most modern Smart TVs and popular streaming devices are compatible.
Compatible TV brands typically include:
- Samsung
- LG
- Sony
- Philips
- Hisense
- Panasonic
- TCL
Streaming devices like Amazon Fire TV and Android TV also work with casting apps. The main requirement is that your TV or streaming device and your phone or tablet are connected to the same Wi-Fi network. No Apple TV, AirPlay, or additional hardware is needed.
If you are unsure whether your specific TV model is supported, most casting apps list compatible devices clearly before you download.
Is there a free built-in alternative to a casting app?
Some devices include built-in casting features at no extra cost. Apple’s AirPlay works between Apple devices and AirPlay-compatible TVs. Android devices support Google Cast on Chromecast-enabled displays. However, these built-in options only work within specific ecosystems and require compatible hardware on both ends.
If you have an iPhone and a Samsung TV, for example, AirPlay may not work without additional setup or a supported TV model. If your TV does not support Chromecast, Google Cast will not help you either. Built-in solutions are free, but they come with real compatibility limits that leave many people stuck.
A dedicated casting app fills those gaps by supporting a broader range of device and TV combinations, often without requiring any extra hardware at all.
How AirBeamTV Helps with TV Remote Control and Screen Casting
We built two separate apps to handle both sides of this, and you can use them together or on their own depending on what you need.
Our Universal TV Remote App turns your iPhone, iPad, or Android device into a fully functional remote control. It works with all major TV brands including Samsung, LG, Sony, TCL, and Roku, as well as streaming devices like Amazon Fire TV. No setup codes, no pairing headaches. Just connect your phone and TV to the same Wi-Fi network, select your TV, and start controlling instantly. It includes:
- Full remote control functions: volume, channels, source selection, and mute
- Touchpad and keyboard input for easy text entry
- Haptic feedback so you know every press registers
- Support for all major Smart TV brands and streaming devices
Our screen mirroring apps handle the casting side. Whether you are on iPhone, iPad, Android, or Mac, you can wirelessly mirror your screen to your TV in HD with no Apple TV, AirPlay, or cables required. We support all popular Smart TV brands and streaming devices, so compatibility is rarely an issue.
Download the app. Connect to Wi-Fi. Start casting or controlling. That is genuinely all it takes.

