Happy Birthday Reminder Studio is a free iPhone app developed by Engineered Studios LLC. It falls under the category of Business & Productivity and aims to help users remember important birthdays.

The app offers several key features that make it a convenient tool for staying on top of birthdays. Firstly, it is completely free for a specified number of contacts. This means that users can add and track birthdays without any cost.

One of the standout features of Happy Birthday Reminder Studio is the ability to view a countdown of upcoming birthdays. This makes it easy to see how many days are left before a loved one's special day.

The app also includes a notification reminder, ensuring that users never forget a birthday. With personalized messages, users can send wishes with GIFs, emojis, and pre-made texts, adding a personal touch to their greetings.

Adding contacts is quick and easy, requiring less than 5 clicks to add all your contacts.

Happy Birthday Reminder Studio also offers immediate support. Users can contact the developer directly from the settings section and expect a prompt response.

Regular updates are provided to ensure a smooth user experience, and the app is completely ad-free.

Overall, Happy Birthday Reminder Studio is a user-friendly app that helps users keep track of birthdays and send personalized messages without any cost or intrusive ads.