Question posted in 
I have downloaded an .ipa file from an iOS developer for our project.
I need to test the app on my simulator because I don’t have a physical device, but I don’t know how to.
how to install the .ipa file to XCode iOS Simulator? I have been read the difference between emulator and simulator, which the .ipa only able installed on real device and emulator while the .app only able installed on simulator. The emulator also mimic the real device’s hardware and software while simulator only mimic the software and interface. If those differences above are true, does anyone know how to convert the .ipa to working .app file? I have been tried changed the .ipa to .zip by rename it then extract it and last, drag and drop the .app file (in the payload folder after extracted) to my simulator but failed, the message is "Please update the app". I also tried the command xcrun simctl install but failed. Currently, I am using the Mac with Big Sur and XCode 12. I can’t download the project because the project size is very big and my internet too slow for download it, Thank you all
2
Answers
Since you have the ability to run the simulator, You have the ability to have Xcode installed.
Rather than have the developer send you the IPA file, you could get access to the source code for your project (usually this is on a Git service provider) download the source and build the app to the simulator directly.
In a well set up project it shouldn’t be hard to clone the repository, maybe run some configuration, then open Xcode and build to the simulator
I have the same problem, and refer to that link before. it seems noway but to buy an iphone test device…