Is it correct to write "in WhatsApp" or "on WhatsApp" - briefly?
The correct preposition to use with WhatsApp is "on." Therefore, the proper phrase is "on WhatsApp," not "in WhatsApp."
Is it correct to write "in WhatsApp" or "on WhatsApp" - in detail?
The question of whether to use "in WhatsApp" or "on WhatsApp" is a nuanced one, as the choice largely depends on the context and the specific action being described. Both prepositions are grammatically correct in certain situations, but they convey slightly different meanings.
When discussing the act of sending a message through the WhatsApp application, "on WhatsApp" is typically more appropriate. This phrase suggests that the action is occurring within or via the platform itself. For example, "I sent her a message on WhatsApp." Here, "on" indicates that the messaging activity is taking place using the WhatsApp service.
On the other hand, "in WhatsApp" can be used to refer to the content or data contained within the application. This preposition implies that something exists inside the realm of WhatsApp. For instance, "There are many interesting conversations in WhatsApp." In this case, "in" signifies that the conversations reside within the app itself.
It is also worth noting that in formal or technical contexts, "on WhatsApp" might be preferred due to its association with active use of the platform. However, both prepositions are widely understood and accepted by native speakers. Ultimately, the choice between "in WhatsApp" and "on WhatsApp" should depend on the specific meaning you wish to convey in your sentence.