It depends on what your app is and how it works. iOS you app built on a platform that is already supported by Integromat or Zapier? Or is you app complete custom code from the ground up? What do your developers say?
And yes, in addition to Bubble’s plug-in, it looks like Integromat supports Bubble as well:
If you end up going down the Integromat path, and need to hire an expert Airtable consultant & Integromat partner to help you with the integration, please feel free to contact me through my website at scottworld.com: