We have been at the forefront of subscription apps, creating the front and back end of a number of kid’s games with subscription model. Our app Hidden Pictures Puzzles has consistently been ranked in the top 10 top-grossing Kids category in the US App Store.


Colto began working on its first subscription app in 2016, the year in which the App Store announced the introduction of subscription model apps. 

We have worked with partners and clients on the full life-cycle of digital subscription products from the research and ideation phase through the development stage and on to long-term maintenance.

Our Expertise

We have experience creating all components of the extensive infrastructure of subscription products including:

  • the analytics foundation
  • a/b testing capabilities
  • targeted messaging
  • incentivized email capture
  • localization
  • global distribution framework
  • in-app review request
  • COPPA compliance
  • promo codes


Hidden Pictures Puzzle Town

A fully interactive world where every dwelling is home to a different puzzle. As children complete activities, they’re rewarded with prizes and when they reach milestones receive fun characters and accessories to play with and personalize their own town.

Let’s make magic!

Email us at [email protected] today to talk about how we
can work together to grow the magic of your brand

Contact Us!