Clearing your search history on YouTube for iPhone can help protect your privacy and improve the relevance of your search results. When you search for videos on YouTube, your search history is saved to your Google account. This means that anyone who has access to your Google account can see your search history. Clearing your search history can help to prevent this.
In addition to protecting your privacy, clearing your search history can also help to improve the relevance of your search results. When you search for videos on YouTube, the search results are based on your search history. If you have a lot of irrelevant searches in your history, it can make it difficult to find the videos you’re looking for. Clearing your search history can help to ensure that the search results are more relevant to your interests.