Hi @Revolution09 

The instant voicemail allows you to get the voicemails deliverd quickly as an audio file to your SMS inbox (data is required) : https://www.koodomobile.com/en/help/instant-voicemail

The Visual Voicemail allows you to quickly view and the list of voicemails and tap the ones you want to listen to. (https://www.koodomobile.com/en/help/visual-voicemail)

The Premium Voicemail integrates the Instant Voicemail and also comes with a storage of up to 25 Voicemails compared with the regular Voicemail feature (up to 10 voicemails) https://www.koodomobile.com/en/help/koodos-pick-your-perk-plans

Here you can find more details about the difference between the Koodo Voicemail and the Apple Live Voicemail  https://www.koodomobile.com/en/help/voicemail