Sextexting chat service
Once it is installed, they can see the messages on their own device.
It leaves no icon on the child's screen, so children might not even be aware that the app is running on their phones.
The app targets 18 to 25 year-olds and mystifies most people who are older.
But parents who are willing to shell out a month, and spy on their kids, can find out exactly what their children are Snapchatting.
MSpy also advertises to business owners who want to see what employees are doing on company owned devices.
A similar software called Flexi Spy makes a pitch to husbands and wives who believe their spouse may be cheating.
The parent must download the software onto their child's phone first.This can be via mobile phones, social networks, emails or social apps.Young people who do this don’t often realise the consequences of it and this can be a form of sexualised bullying too.With the continued advances of technology, most mobile phones and tablets have built in cameras and most are linked up to email and social network accounts.It is illegal to download this kind of software on someone's phone without their consent, unless they're a minor, according to m Spy's website. The privately held Snapchat is selective about what figures it makes public, but it is likely losing money given its lack of ads.
Still, Snapchat is attracting attention from potential investors.