Cortana vs S Voice

Cortana is your personal assistant on your Windows Phone. She's there to help make things easier for you and keep you up to date on the things that matter to you. Whether it’s to keep you looped in with your world or help you manage your everyday life, Cortana is there for you.
S Voice
It responds to you: you can tell the phone to wake up, answer an incoming call, or even take a photo. It waits till you're asleep: the screen maintains a bright display as long as you're looking at it.
Comparing Cortana vs S Voice is like comparing apples to oranges. Because your business is unique and nobody except you can decide, which is better for your company. But we can add some fun to your research and suggest some new comparison parameters.

Ok, now let's compare the UI. Looks like S Voice has more user-friendly interface than Cortana because it's bigger. At least on our screenshots

To compare the popularity of the solutions we counted how many alternatives people search for each of them on the Internet. And it turns out that S Voice is more popular than Cortana

Now let's look at the recent activities of our competitors:

- Cortana arrived in Skype (in 2017)
- Microsoft redesigned Cortana for iPhone and Android (in 2016)
- Microsoft integrates Cortana into Power BI service (in 2015)
- Microsoft released Cortana for Android (in 2015)
- Parallels Desktop 11 brings Cortana to Mac (in 2015)
- Microsoft announced voice-enabled Big Data platform Cortana Analytics Suite (in 2015)
- Microsoft will bring Cortana to Android and iOS (in 2015)

Looks like Cortana was recently more active than S Voice (at least in our news).