California based WaterField Designs today introduces the Tech Rolltop Backpack, a multi-use backpack that eliminates the need for a separate work, carry-on, and sports bag. A padded MacBook-iPad compartment and abundant organizational pockets are easily accessible on the bag’s exterior, leaving the expandable main compartment open for bulkier items. As suitable for the office as for the soccer field, the Tech Rolltop Backpack is the ultimate bag for active professionals.

South Korean development team Yunasoft announces Kalends 1.0.2, their calendar app for iOS devices. Kalends is the calendar app for busy iOS users that need to get their lives organized. The app offers multiple calendar views, provides reminders, includes a note feature, weather forecast, a handy full-month widget, and much more. Kalends includes tons of cute stickers users can place directly on their calendar views like a post-it. Kalends is the most fun users will ever have in a calendar app.

Independent development team Handcade announces Polydust 1.0, their new 3D modeling app for the iPad. Polydust gives users full control of their model mesh, allowing them to work in vertex, edge, poly and object model. Users can create basic shapes such as cubes, arcs, cylinders and toruses that can act as the base of their 3D models. The app offers a touch-based user interface, augmented by keyboard shortcuts. Polydust has a great and active community, including a forum and YouTube channel.

Cell4pets is buying iPhones. Their mission is to provide a better life for the millions of abandoned dogs and cats throughout the US. The company is offering an additional $10.00 when you sell them your iPhone. Simply enter Coupon Code PRMAC at checkout to receive the bonus. They will take iPhone 6 up through iPhone Xs Max. You can expect to earn significantly more for your iPhone or Samsung when you sell your device to Cell4pets. Sell your iPhone today and earn more!

Texas based SR2 Solutions announced today the launch of a new Cloud Storage Service and Personal Cloud Server designed to be easy to use and to help protect iPhone and Android users from hackers and digital disaster. With the rise in data breaches from major cloud storage brands, ransomware, and natural disasters threatening people’s data, SR2 is seeking to help customers protect their documents, photos, videos, and any other kind of digital content against these growing threats.

QuinnScape today announces a limited-time 10-year Anniversary Sale of 66% off its popular Packing Pro travel app. From now until April 28, Packing Pro can be purchased for only US$0.99 – one third of its original price of US$2.99 – a great deal, and perfect timing for the Summer vacation. Packing Pro is a mobile travel packing list app that features unlimited, 100% customizable packing lists, an extensive, flexible, catalog, handy sample lists, iCloud auto-sync and various list sharing options.

Austria-based team GREEAL e.U. announces FITOLOG – Fitness Assistant 4.0, the important update to their all-in-one fitness assistant app for iOS and Apple Watch devices. FITOLOG is the easiest and most enjoyable way to log and track users’ fitness activity. The app offers all of the elements of an intelligent personal trainer. Apple Watch users will find they can leave their iPhone in their pocket or exercise bag, as they can control everything on their Apple Watch.

Texas based developer, Magnin & Associates today introduces Gadget Creative Challenge 1.0, their new game for iOS, Android, and Windows PC. Create your own marble machine gadgets. Choose parts from a work bench that contains dozens of pipe sections and animated pieces. Combine up to 100 pieces into a single creation. Choose from 4 different preset camera positions, or use the controls to create your own custom view. Share gadgets you create via text or email.

California based indie developer, Mark S. Morris today releases Heartener 1.0, his free new lifestyle app for Apple Watch. Heartener uses the heart rate sensors on your Apple Watch to translate your heart rate into a sound that is played on the iPhone paired with the Watch. If your heart rate moves outside a range you select on the app, a very loud siren alert will automatically sound. You can also manually trigger this alert sound from your Watch or on the companion app running on your iPhone.