The phrase "a larger user base" is correct and usable in written English.
It can be used when discussing the number of users or participants in a particular service, product, or platform, often in the context of growth or market reach.
Example: "The new marketing strategy aims to attract a larger user base for our app, increasing our overall engagement."
Alternatives: "a bigger audience" or "an expanded user group."
Android users considering a switch will probably enjoy features such as iMessage (the equivalent of BBM, but already bigger because Apple has a larger user base than BlackBerry).
He adds: "Advertisers have many alternative outlets to reach a larger user base on a targeted and near-to-real-time basis, including Facebook, Instagram and Pinterest.
To provide for a larger user base for these types of molecular assays, a vertically stacked microfluidic analyzer with a modular architecture and process automation was developed.
The former reportedly turned down an $3bn buyout offer from Facebook, instead hoping a larger user base in early 2014 will give them a higher valuation – and the latter is said to have rebuffed a $1bn offer from Google.
There's a growing body of evidence from the US and UK that iPhone users are more likely to remain on the platform than Android users, which mean that Android's lead is expected to erode slowly (because it has a larger user base, and is "leakier").
Also inactive users represent a larger user base and their voice should hence be "amplified".
With such a large user base in a network effect-based business, beRecruited could be tough to disrupt and have plenty of runway.
FORTRAN has continued to evolve, and it retains a large user base in academia and among scientists.
"Ten years later, we are still volunteer-driven and have a large user base from all over the world".
While Dopplr was too young to have grown a large user base, the Nokia acquisition could, with some imagination, have given it scale.
Having such a large user base encourages businesses to buy it since employees are probably already familiar with it and won't need much training.
