Despite the increasing amount of competition in the kids mobile space, subscription platform service Fingerprint has managed to grow its third-party app library exponentially since launching in 2010, as the San Francisco-based company of the same name has just signed its 200th developer.

Fingerprint, which develops and operates content and mobile services for kids, now has more than 2,000 third-party games, books, videos and activities in its portfolio—marking a fourfold increase over last year. Additionally, Fingerprint is tracking to double its content library to 4,000 titles by the end of the year.

Leveraging the company’s proprietary Nirvana technology platform, Fingerprint aims to provide turnkey solutions for content creators and distributors looking to reach the US$7-billion children’s market. It does this by helping them create app experiences that are COPPA compliant, have parental controls and are full of a variety of back-end analytics and services.

Fingerprint has signed developers from more than 50 countries to support mobile services like Samsung Kids, which is a learning mobile service for kids ages three to eight that features hundreds of game, book and video apps; Sylvan Play, a curated, education-focused platform for math and language learning; and Findaway LaunchPad, the first edutainment experience designed and pre-loaded on library-based tablets.

Other kids companies to recently team up with Fingerprint include Toca Boca, the play studio behind a portfolio of open-ended digital toys; Hasbro-owned Playdate Digital; Legacy Games, which develops a suite of Crayola experiences; Night & Day Studios, the creators of Peekaboo Barn and other preschool learning apps; and Thup Games, the company behind the Monkey Preschool brand.

Fingerprint experienced a growth spurt in 2014, when it partnered with Corus Entertainment to create a mobile entertainment platform for preschoolers and secured US$10.85 million in funding from backers such as DreamWorks, Corus and Reed Elsevier Ventures.