The aggregate rating of Viking Neptune is build on scorse given by the following portals:
| Aug / 24 | Sep / 24 | Oct / 24 | ||
| cruisetimetables.com | 4.0 / 11 | 4.8 / 12 | 4.8 / 12 | |
| cruisemapper.com | 4.0 / 1 | 4.0 / 1 | 4.0 / 1 | |
| cruiseline.com | 3.8 / 6 | 3.8 / 6 | 4.1 / 9 | |
| cruisecritic.com | 4.4 / 105 | 4.4 / 114 | 4.4 / |
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