No you do not need to repurchase it again. The app should still be available to you in the appropriate marketplace.
- Tap App Store.
- If you’re using an iPhone or iPod touch, tap Updates, then tap Purchased. If you’re using an iPad, tap Purchased.
- Find the item that you want to download.
- Tap the Download icon.
- After the app downloads, you can open it from the Home screen
- Go to the Play Store.
- Go to My Apps.
- Tap All.
- Scroll through for your BYKI app to download again.