Well, there is no straight answer for that really. How much time it takes will depend on what kind of app you are trying to develop and what features it has. For instance, if you’re trying to make an app that displays daily news, you won’t need to put much into it. But if you’re trying to make an app like uber or uber eats, it will take considerably more time. Anyway, building from scratch won’t the best idea if your app is for an already existing industry. If again you want to start an app like uber, all you need is an uber eats clone script. These scripts will have all of the features already built-in and all you need to do is a bit of customization to make it into your own. You can also add in features of you have any ideas like that.
There are many other clones for a variety of application platforms like uber eats clone out there. You can just google it to get one. I would suggest hiring a company with relevant experience with doing this kind of a thing because you would need their help to get regular software updates and also to get the app listed online of the relevant application stores like the play store and apple store.
I would also suggest not to think too much about how fast you can make the app. Even when you choose the clone apps, spending a little bit of time perfecting it would pay off in the end. Hope this helps.
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