Conclusion
You can deduce the requirements for your application and find the right features to attract your customers to use your delivery application to cater to your gas needs.
You could hire a cheaper resource team that will ultimately take longer to develop your mobile or you could have a team of developers who promises to develop you a mobile application in a short time, but ultimately, none of them proves to be worthy of your time, energy, investment, or even be a part of your company's gas distribution services.
So you must be very careful while hiring developers for the construction of a mobile delivery had on demand. Talking about the cost of development, the cost involved can be worth it because in the end you will be able to your business to the next level and work on the little details to make a great delivery application.