I am in the same boat. Having recently completed a tech bootcamp for women, the advice was to fund my own demo and leverage that to gain grants later on to fund development. Easier said than done when you have no programing experience.
There are no-code platforms you can look at. I've looked at a few of the ones described as 'easy to use', but the design options are very basic. Bubble.io was recommended by my bootcamp and Bubble actually just finished a coding bootcamp for women that I missed out on. I am going to give the platform a go on my own - now that I have found a range of videos on YouTube to supplement Bubble's training videos.
Some entrepreneurs I have met use students from the local universities by applying for work experience students. This is usually free, so you could try that as well. I haven't done this only because I thought the demo part would be straight forward enough and I could look at that later!
At one conferences I went to a female entrepreneur lost '000s on an app development project because they didn't know what was needed for an app to work. If you can fund development now do some research first on what you need to make an app. You need what is termed front-end and back-end development for the app to work, etc. Also decide do you want Android and/or iOS development for now.
Also, if someone develops code for you it is not automatically yours. You need them to sign a waiver giving up rights to the app/code.
I hope this helps. I'll post how I get on with Bubble.io.