Tethering vs. a hotspot: What’s the difference?

What is tethering?

Tethering is the umbrella term for connecting a device to your phone to share its mobile data. Think of your phone as a modem-like device. When you link your laptop or tablet to it to access the internet, you are tethering. If you want a more in-depth explanation, read our guide explaining what tethering is.

The connection can happen through three specific mediums:

• USB tethering: You physically connect devices with a USB cable.

• Bluetooth tethering: You share the internet wirelessly over Bluetooth pairing.

• Wi-Fi tethering: You connect by creating a Wi-Fi network (commonly called a mobile hotspot).

The key factor is proximity. Whether you use a cable or a wireless signal, the devices must stay close to maintain the handshake.

What is a mobile hotspot (Wi-Fi hotspot)? 

A mobile hotspot is the most popular form of tethering. It uses your phone’s cellular data to broadcast a Wi-Fi signal that other devices can join, just like they would connect to a router at home.

You probably know the relief of using a mobile hotspot after your hotel Wi-Fi fails. Instead of fighting for bandwidth on a public network, you spin up a private, encrypted signal from your pocket. You can even run a hotspot using an eSIM to get your laptop online while traveling, bypassing public Wi-Fi restrictions entirely.

What is the difference between tethering and hotspot?

The difference between tethering and a hotspot comes down primarily to terminology. Tethering serves as the broad, umbrella term for sharing a smartphone’s internet connection with another device. A mobile hotspot is one specific method of tethering that broadcasts the connection over a Wi-Fi signal.

Here are the key differences:

• Definition: Tethering refers to the general action of network sharing. A hotspot refers specifically to sharing the network via a Wi-Fi broadcast.

• Connection type: You can tether using a USB cable, a Bluetooth pairing, or a Wi-Fi signal. A hotspot only uses a Wi-Fi signal.

• Device capacity: USB and Bluetooth tethering usually limit you to connecting one or two devices. A mobile hotspot allows you to connect multiple devices simultaneously.

Mobile hotspot vs. Bluetooth tethering vs. USB tethering vs. Wi-Fi tethering 

People often experience confusion between the various network-sharing terms because the underlying technology overlaps. Understanding exactly how each method functions can dispel a lot of confusion and help you choose the best connection type for your current situation.

• Mobile hotspot: Turns your phone’s cellular data into a Wi-Fi network that multiple other devices can connect to simultaneously. Example: Sharing your phone’s internet with your laptop and your friend’s tablet while sitting in an airport terminal.

• Wi-Fi tethering: Another name for a mobile hotspot. The term refers to sharing internet connectivity via Wi-Fi from one device to another.

• Bluetooth tethering: Shares your phone’s internet with nearby devices using a paired Bluetooth connection. The method is slower than Wi-Fi but uses much less battery power. Example: Connecting your smartwatch or tablet to your phone’s internet via Bluetooth during a long train commute.

• USB tethering: Shares the internet by connecting your phone directly to a computer via a physical USB cable. The wired link offers faster and much more stable speeds than any wireless option. Example: Plugging your phone into your desktop computer at home to get a secure, high-speed connection for downloading large files.

A comparison to help you evaluate the options is presented below:

Tethering vs. a hotspot: Which one is faster?

In most cases, USB tethering is faster than a mobile hotspot. Transferring data through a direct, wired connection provides a much quicker and more stable link than a wireless network. A physical cable bypasses local signal interference, lowers latency, and gives your computer the maximum bandwidth of your cellular plan. A wired link also offers superior security because intercepting data sent straight through a cord is nearly impossible for public Wi-Fi snoopers.

However, the speed of your cellular network plays a crucial role. If your phone connects to a fast 5G network, broadcasting a mobile hotspot over newer Wi-Fi standards can deliver incredible speeds that rival a wired connection. A 5G hotspot will even outpace USB tethering if you use an older, low-quality USB cable that restricts data transfer rates.

Tethering vs. a hotspot: Which uses less data?  

Neither method inherently uses less cellular data. Data usage depends on how the connected device is used. Both options pull the exact same amount of data from your cellular plan to load a single webpage or stream a video. You can learn more about data hotspot usage in our explainer, “Do hotspots use data?”

Tethering vs. a hotspot: Which uses more battery?   

A mobile hotspot uses significantly more battery than other tethering methods. Broadcasting a continuous Wi-Fi signal to support multiple devices leads to rapid power drain and potential overheating. Relying on a wireless hotspot will quickly empty your battery gauge, especially if you plan to share your network for several hours.

USB tethering provides the most power-efficient solution. The physical cord eliminates the need for a constant wireless broadcast, and the plugged-in computer can actively charge your phone while transferring data.

How can you check USB tethering and mobile hotspot data usage? 

Checking hotspot usage takes just a few quick taps in your smartphone settings.

For Android devices:

1. Open the “Settings” app.

2. Tap “Network & internet” or “Connections.”

3. Navigate to the “Hotspot & tethering” menu to view the exact amount of data transferred to connected devices.

For iPhone:

1. Open the “Settings” app.

2. Tap “Cellular” or “Mobile service.”

3. Scroll down to the “Personal hotspot” section to see the total data consumed.

Reviewing the numbers regularly ensures you stay firmly within your monthly data allowance.

So, is tethering better than a mobile hotspot?

Determining the superior connection method depends entirely on your specific location and hardware requirements. USB tethering excels in stationary environments by providing maximum stability and power efficiency for a single computer. A mobile hotspot wins in travel scenarios where you have to stay mobile and provide simultaneous internet access for multiple users.

Choose USB tethering if you want:

• Faster and more stable internet speeds.

• Better battery life for your smartphone.

• A highly secure, wired connection that blocks local interception.

Choose a mobile hotspot if you want:

• Ultimate convenience without needing physical cables.

• Simultaneous internet access for several laptops and tablets.

• The physical freedom to move around the room while staying connected.

In general, plugging in a physical cable makes perfect sense for remote workers sitting at a desk. Turning on a wireless mobile hotspot is the best choice for travelers sharing cellular data with friends on a train, for example.

What Saily users should know about hotspot usage

With Saily, there is no extra hotspot restriction layered on top of your plan. Some other eSIM services place separate caps on hotspot usage, which can make sharing data more complicated than it needs to be. With Saily, your hotspot speed depends on the local network, your phone, and your setup, not on a separate Saily hotspot cap. As long as you still have data left in your plan, you can keep sharing it with your laptop, tablet, or even multiple devices!