The phrase "a service which allows" is correct and usable in written English.
It can be used when describing a service that provides a specific capability or function to users.
Example: "We offer a service which allows users to track their fitness progress over time."
Alternatives: "a service that enables" or "a service providing".
Four years ago Selfridges launched Celebration, a service which allows guests to pay in to a special store account set up by the couple.
Taaki claims freedom to purchase is freedom of speech – and illustrates his argument by raising a service which allows Bitcoins to exist purely as a passphrase in a user's head, 'spent' by typing (or saying) the key phrase.
And NikeiD, a service which allows buyers to design their own customised shoes, has generated around $100m in sales so far.Nike, which makes most of its money from wholesale trade, also wants to boost its presence as a retailer.
Ordnance Survey (OS) helps the Cabinet Office provide resilience direct, a service which allows the emergency response community to access a platform, underpinned by OS location data, where real-time information is shared across their various organisations, helping them to respond faster and make more accurate decisions.
Silk Road is only accessible through Tor, a service which allows users to browse anonymously online.
Zilok is a service which allows you to rent anything online.
ESPN first introduced a TV Everywhere-like concept with ESPN360, a service which allowed users to stream sports programming from its networks either live or on-demand through a website.
In between SaaS and IaaS is Platform-as-a-Service, which allows users to access programming tools and complete API's for development.
But Telegram became a clearing house for IS messages last month, when it launched a "channel' service", which allows an unlimited number of users to tune into a stream of information distributed by an anonymous source. .
Last month, Telegram launched a "channel' service", which allows an unlimited number of users to tune into a stream of information distributed by an anonymous source. .
A pay service which allows you to actually view a live camera of a break is available for $4.95 per month.
