





25+ iOS apps & games curated and reviewed
DARCI is the household name in darci, but it's far from the only option. We track 25+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

















This calculator app helps you quickly find fluid head loss, friction factor, pipe length, pipe diameter, or fluid flow velocity using the Darcy-Weisbach equations, with features like instant calculation, copyable results, and support for various units. Download it now to easily solve hydraulics and fluid mechanics problems.


Improve your singing skills with a virtual voice coach app created by an experienced industry professional. Suitable for beginners and professionals alike, the app offers vocal exercises and training to enhance your singing abilities. Join our community now!




Join the official app to immerse yourself in an artist's world with exclusive content, including pre-release songs, livestreams, merchandise, and meet & greets. Gain access to a unique mix of free and premium content by subscribing for a low monthly fee.










Become the romantic heroine in this classic tale, immersed in a world of courtship, romance, and drama. Experience the story through eloquent prose and evocative music as you navigate love, heartbreak, and hope.


This application calculates friction loss and fitting loss results for liquid pressure drop in pipes, using the Darcy-Weisbach equation and providing comprehensive results, including Reynolds number and fluid velocities. Try it out today and perform accurate pressure drop calculations on site or in the office, with the ability to generate professional reports and save results for future reference.




This pipe sizing calculator app determines the minimum internal pipe diameter required for a given flow rate at a specified maximum pressure loss, providing comprehensive results and customizable options. Engineers can use it to perform calculations, generate professional reports, and verify results against published data, and it is available for a one-time fee with a free trial download.







