BikeX

Tried around 10 shopify custom product options app and finally settled to this app. Their demo store use cases helped me to get clear ideas how we need to set right options for any custom products. Overall design and performance is very responsive. Their templates help me to run away from the manual setting. Great support team as well.

Exactly what we needed for delivery estimates. Easy to use, looks good on our store, and works as expected. Great app!