The following are the localized system languages options supported by CustomerGauge. Users are able to select their preferred option from the My Profile section.
| Language | Locale value |
| English | en_GB |
| Dutch | nl_NL |
| German | de_DE |
| French | fr_FR |
| Italian | it_IT |
| Spanish | es_ES |
| Portuguese | pt_PT |
| Japanese | ja_JP |
| Thai | th_TH |
| Polish | pl_PL |
| Greek | el_GR |
| Vietnamese | vi_VN |
| Ukrainian | uk_UA |
| Chinese (Simplified) | zh_CN |
| Albanian | sq_AL |
| Swedish | sv_SE |
| Bulgarian | bg_BG |
| Czech | cs_CZ |
| Danish | da_DK |
| Estonian | et_EE |
| Finnish | fi_FI |
| Hungarian | hu_HU |
| Lithuanian | lt_LT |
| Latvian | lv_LV |
| Norwegian (Bokmål) | nb_NO |
| Romanian | ro_RO |
| Slovakian | sk_SK |