Development kits (2 programs)

1. 

   iOS 17

   • 4.5

   • Free

   Next-gen Apple OS

   License

   Free Download

   Language

   English

   Platform

   iphone

   PROS: Adds accessibility options for Voicemails. Less intrusive StandBy Mode. Family-friendly Check-In feature.

   CONS: Limited device support. Not all supported devices can download the OS.
2. 

   Pusher Mobile Push Notifications API

   • 5

   • Free

   Free Tool for Businesses

   License

   Free Download

   Language

   English

   Platform

   iphone

   PROS: Free to download and use. Very easy to use.

   CONS: A bit complicated to set up. Accounting feature is a bit tricky.