But Justin Brock, a marketer for app developer Ginger Labs, said his company is considering adding Google Drive integration. Convenience must be weighed against clutter, he said.

"On one hand, users often want more choices; each person has his or her preferred service and want to provide for that user," Brock said. "But, on the other hand, all users want a clear interface without choices cluttering the screen or interfering with functionality. So, we work to balance these forces when we select what features and services to add."

Other developers said that two things must happen for Google Drive to earn their support: Grow an audience and show commitment. App creators remember all too well failed services like and .

"We'd love to know how many people are actively using Google Drive a few months after launch," said Zulfiqar Shah of Zaal, the developer behind the application. "If it eclipses Dropbox as the premier choice for file storage for many people, then it would be interesting to look at as a way of reaching out to new users.

"If it's going to be another Google Buzz," she added, "then we'll pass."