As the growth of monitoring needs, the number of spy apps for the iPhone is also increasing. But remember, you get what you pay for. Security and privacy are paramount. Free phone monitoring apps may have limited features and may not be privacy-wise. They usually have inconvenient interfaces and severe delays.If you want the best monitoring experience, you should focus on the paid iPhone spy app. Choose a reputable mobile monitoring app that SpyX will give you value for your money.