If you are facing an instagram app keeps crashing iphone issues then there are many reasons behind this such as server issues, poor internet connection, incompatible device, account related problems and many more reasons. But the good thing is that you can easily fix this issue. Below are some methods which you can try to fix the issue:
1 Restart your phone
2 Restart the Instagram App
3 Good internet connection
4 Check Instagram down status
5 Offload Instagram app