BANGALORE: We all want a personal assistant – someone to walk our dogs, handle unwanted emails and ensure we are always on time. But for those of us who aren't blessed with riches and therefore can't afford a full-time, salaried employee — we have to make do with the tools we are given.

Luckily, a Smartphone is an excellent substitute, an assistant that stays in the pocket and doesn’t ask for salary every month. Hiring or downloading a personal assistant without leaving the confines of the App Store. So whether you're scheduling a meeting or planning the most efficient route across town, a Smartphone can be your most useful asset.

Here are the best virtual assistant apps that are available and compatible with popular platforms of Smartphone OS.

Siri

Price: Free

Siri is one of the first Digital Assistant that featured in iPhone 4. It is a part of Apple's iOS which works as an intelligent personal assistant and knowledge navigator. The app uses a natural language user interface to answer questions, make recommendations, and perform actions by delegating requests to a set of Web services.

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