Difference between WIFI HOTSPOT and CELLULAR NETWORK

Peoples mostly confused between WIFI HOTSPOT and CELLULAR mobile network and they merge both technologies each other. But both are completely different from each other now a I am going to explain both wifi hotspot and cellular mobile network and I will also differentiate both terms in easy way.
First of all we will see that in actual what are these both technologies?
Wifi hotspot is a technology in which you can get internet access without any cost without any wire with the help of routerhttps://en.wikipedia.org/wiki/Router_(computing) that has specific range.
On the second hand cellular network, cellular network is also a network provider that also produces internet access without any wire but is not free of cost it is paid (prepaid and postpaid ).
Wifi Hotspot is not a wide ranged internet service provider but on the other side cellular network is a wide ranged network. Wifi hotspot is fully free but on the other hand cellular mobile network is very costly internet service provider in the form of different packages for example 1GB, 5GB, 10GB, 20GB, or unlimited offers for the specific time period but the other hand wifi hotspot has no limits for data usage ,it is unlimited. WIFI HOTSPOT https://play.google.com/store/apps/details?id=com.sa.wifihotspot
provides very high speed for internet access and mostly wifi hotspot is used for streaming, for very heavy file downloading etc. In cellular network, it is comparable low speed internet provider. Cellular network internet service provider has further divided into many types depending on the speed of the internet such as 2G, 3G, 4G, LTE, etc. In cellular connection the fastest internet provided by the 4G and LTE types. Sometimes when you are using wifi hotspot then some webpages you didn’t access with wifi till you switch your data from wifi to cellular connection, and sometimes some webpages require wifi hotspot.
So at the end one question arises, which internet provider is the best?
A wifi hotspot is the fastest internet provider if only few number of users connected to Wifi hotspot but if we use a public place wifi then it provides very slow internet. On the second hand cellular connection is very slow in crowded areas as compared to uncrowded areas. But both provides there best services in specific conditions.