The phrase "trial customer" is correct and can be used in written English.
For example, you could use it in a sentence like this: "I am a trial customer for this new subscription service."
We receive a few hundred e-mails per month from paying and trial customers.
Similarly, companies whose greatest marketing strength lies in prospecting and getting trial customers would lean toward account-servicing shows.
He has been picking locks since he was 15, though he has not yet picked one of the new Assa Abloy locks (which have so far been supplied to ten trial customers).
But those were trial customers.
The startup quickly acquired around 1,000 trial customers.
That's a promising start for a newcomer in this race, even if many of those are still trial customers.
The Cook Islands in the Pacific signed up as the first trial customers, while places like Somalia and inland Peru are expected to join in six months or so.
In Phoenix, some 3,500 trial customers are getting high-speed Internet access, basic phone and cable service all over one traditional telephone line.
The company is only planning to launch its product early next year — Origami is currently putting some trial customers on the platform now, but declined to say who they were.
Cloudwear says that its trial customers include businesses that host extremely valuable and private data, like those in the healthcare, insurance, finance and tech industries.
