diff --git a/frontend/src/app.js b/frontend/src/app.js
index 1b446a4f0..f7b9717f4 100644
--- a/frontend/src/app.js
+++ b/frontend/src/app.js
@@ -87,7 +87,7 @@ Vue.prototype.$isMobile = isMobile;
 Vue.prototype.$rtl = rtl;
 
 // Register Vuetify
-Vue.use(Vuetify, { rtl, theme: config.theme });
+Vue.use(Vuetify, { rtl, theme: config.theme.colors });
 
 // Register other VueJS plugins
 Vue.use(GetTextPlugin, {
diff --git a/frontend/src/common/config.js b/frontend/src/common/config.js
index 6f9ea8abd..c4b2843f6 100644
--- a/frontend/src/common/config.js
+++ b/frontend/src/common/config.js
@@ -192,10 +192,17 @@ export default class Config {
 
   setTheme(name) {
     this.themeName = name;
+
+    const el = document.getElementById("photoprism");
+
+    if (el) {
+      el.className = "theme-" + name;
+    }
+
     this.theme = themes[name] ? themes[name] : themes["default"];
 
     if (this.$vuetify) {
-      this.$vuetify.theme = this.theme;
+      this.$vuetify.theme = this.theme.colors;
     }
 
     return this;
diff --git a/frontend/src/css/themes.css b/frontend/src/css/themes.css
index 2ac8aeb2a..74efc162d 100644
--- a/frontend/src/css/themes.css
+++ b/frontend/src/css/themes.css
@@ -1,75 +1,74 @@
-.theme-onyx .v-content__wrap,
-.theme-onyx .p-page,
-.theme-onyx .form,
-.theme-onyx .v-content {
+/* Dark Theme */
+
+.theme-grayscale .v-content__wrap,
+.theme-grayscale .p-page,
+.theme-grayscale .form,
+.theme-grayscale .v-content {
     background: #525252 !important;
 }
 
-#photoprism.theme-onyx .theme--light.v-small-dialog__content,
-#photoprism.theme-onyx .theme--light.v-sheet,
-#photoprism.theme-onyx .theme--light.v-card {
+#photoprism.theme-grayscale .theme--light.v-small-dialog__content,
+#photoprism.theme-grayscale .theme--light.v-sheet,
+#photoprism.theme-grayscale .theme--light.v-card {
     background: #525252;
 }
 
-.theme-onyx .application.theme--light {
+.theme-grayscale .application.theme--light {
     background: #525252;
 }
 
-#photoprism.theme-onyx .theme--light .v-table {
+#photoprism.theme-grayscale .theme--light .v-table {
     background: #4E4E4E;
 }
 
-#photoprism.theme-onyx .theme--light.v-table thead th,
-#photoprism.theme-onyx .theme--light.v-table tbody td {
+#photoprism.theme-grayscale .theme--light.v-table thead th,
+#photoprism.theme-grayscale .theme--light.v-table tbody td {
     color: #fff;
 }
 
-#photoprism.theme-onyx .theme--light.v-table tbody tr:hover {
+#photoprism.theme-grayscale .theme--light.v-table tbody tr:hover {
     background: #666;
 }
 
-#photoprism.theme-onyx .theme--light.v-chip,
-#photoprism.theme-onyx .v-card__actions .theme--light.v-text-field--solo>.v-input__control>.v-input__slot {
+#photoprism.theme-grayscale .theme--light.v-chip,
+#photoprism.theme-grayscale .v-card__actions .theme--light.v-text-field--solo>.v-input__control>.v-input__slot {
     background: #777;
 }
 
-#photoprism.theme-onyx .theme--light.v-text-field--solo>.v-input__control>.v-input__slot {
+#photoprism.theme-grayscale .theme--light.v-text-field--solo>.v-input__control>.v-input__slot {
     background: #4E4E4E;
 }
 
-#photoprism.theme-onyx,
-#photoprism.theme-onyx .p-page a,
-#photoprism.theme-onyx .v-datatable a,
-#photoprism.theme-onyx .theme--light.v-expansion-panel .v-expansion-panel__container,
-#photoprism.theme-onyx .theme--light.v-tabs__bar .v-tabs__div,
-#photoprism.theme-onyx .theme--light {
+#photoprism.theme-grayscale,
+#photoprism.theme-grayscale .p-page a,
+#photoprism.theme-grayscale .v-datatable a,
+#photoprism.theme-grayscale .theme--light.v-expansion-panel .v-expansion-panel__container,
+#photoprism.theme-grayscale .theme--light.v-tabs__bar .v-tabs__div,
+#photoprism.theme-grayscale .theme--light {
     color: #fff;
 }
 
-#photoprism.theme-onyx .theme--light.v-list {
+#photoprism.theme-grayscale .theme--light.v-list {
     background: #555;
 }
 
-#photoprism.theme-onyx .theme--light.v-select .v-select__selections {
+#photoprism.theme-grayscale .p-page a.text-link,
+#photoprism.theme-grayscale .theme--light.v-select .v-select__selections {
     color: #e3d5c3;
 }
 
-#photoprism.theme-onyx .theme--light.v-list .v-list__tile__sub-title,
-#photoprism.theme-onyx .accent--text {
+#photoprism.theme-grayscale .theme--light.v-list .v-list__tile__sub-title,
+#photoprism.theme-grayscale .accent--text {
     color: #e3d5c3 !important;
 }
 
-#photoprism.theme-onyx .p-page a.text-link {
-    color: #e3d5c3;
-}
-
-#photoprism.theme-onyx .theme--light.v-input:not(.v-input--is-disabled) input,
-#photoprism.theme-onyx .theme--light.v-input:not(.v-input--is-disabled) textarea {
+#photoprism.theme-grayscale .theme--light.v-input:not(.v-input--is-disabled) input,
+#photoprism.theme-grayscale .theme--light.v-input:not(.v-input--is-disabled) textarea {
     color: #fff;
 }
 
-#photoprism.theme-onyx .theme--light.v-btn.v-btn--disabled,
-#photoprism.theme-onyx .theme--light.v-btn.v-btn--disabled .v-btn__loading,
-#photoprism.theme-onyx .theme--light.v-btn.v-btn--disabled .v-icon {
+#photoprism.theme-grayscale .theme--light.v-btn.v-btn--disabled,
+#photoprism.theme-grayscale .theme--light.v-btn.v-btn--disabled .v-btn__loading,
+#photoprism.theme-grayscale .theme--light.v-btn.v-btn--disabled .v-icon {
     color: #999 !important;
 }
\ No newline at end of file
diff --git a/frontend/src/options/options.js b/frontend/src/options/options.js
index 9756c3fe7..af29d8488 100644
--- a/frontend/src/options/options.js
+++ b/frontend/src/options/options.js
@@ -153,30 +153,42 @@ export const Themes = () => [
   {
     text: $gettext("Default"),
     value: "default",
+    disabled: false,
+  },
+  {
+    text: $gettext("Grayscale"),
+    value: "grayscale",
+    disabled: !config.values.sponsor,
   },
   {
     text: $gettext("Cyano"),
     value: "cyano",
+    disabled: false,
   },
   {
     text: $gettext("Lavender"),
     value: "lavender",
+    disabled: false,
   },
   {
     text: $gettext("Moonlight"),
     value: "moonlight",
+    disabled: false,
   },
   {
     text: $gettext("Onyx"),
     value: "onyx",
+    disabled: false,
   },
   {
     text: $gettext("Raspberry"),
     value: "raspberry",
+    disabled: false,
   },
   {
     text: $gettext("Seaweed"),
     value: "seaweed",
+    sdisabled: false,
   },
 ];
 export const MapsAnimate = () => [
diff --git a/frontend/src/options/themes.json b/frontend/src/options/themes.json
index 2713c59c8..067977ef2 100644
--- a/frontend/src/options/themes.json
+++ b/frontend/src/options/themes.json
@@ -1,170 +1,226 @@
 {
   "default": {
-    "application": "#F5F5F5",
-    "form": "#eeeeee",
-    "primary": "#FFCA28",
-    "secondary-dark": "#212121",
-    "secondary": "#bdbdbd",
-    "secondary-light": "#e0e0e0",
-    "accent": "#757575",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#333333",
-    "navigation": "#212121",
-    "navigation-home": "#000000"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#F5F5F5",
+      "form": "#eeeeee",
+      "primary": "#FFCA28",
+      "secondary-dark": "#212121",
+      "secondary": "#bdbdbd",
+      "secondary-light": "#e0e0e0",
+      "accent": "#757575",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#333333",
+      "navigation": "#212121",
+      "navigation-home": "#000000"
+    }
+  },
+  "grayscale": {
+    "dark": true,
+    "sponsor": true,
+    "colors": {
+      "application": "#525252",
+      "form": "#e5e4e2",
+      "primary": "#c8bdb1",
+      "secondary-dark": "#aba095",
+      "secondary": "#444",
+      "secondary-light": "#666",
+      "accent": "#333",
+      "error": "#e57373",
+      "info": "#5a94dd",
+      "success": "#4db6ac",
+      "warning": "#e3d181",
+      "love": "#ef5350",
+      "remove": "#e35333",
+      "restore": "#64b5f6",
+      "album": "#ffab40",
+      "download": "#07bd9f",
+      "private": "#48bcd6",
+      "edit": "#48bcd6",
+      "share": "#0070a0",
+      "terminal": "#333333",
+      "navigation": "#353839",
+      "navigation-home": "#212121"
+    }
   },
   "cyano": {
-    "application": "#eceff1",
-    "form": "#eceff1",
-    "primary": "#80deea",
-    "secondary-dark": "#757575",
-    "secondary": "#b0bec5",
-    "secondary-light": "#eeeeee",
-    "accent": "#757575",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#333333",
-    "navigation": "#006064",
-    "navigation-home": "#37474f"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#eceff1",
+      "form": "#eceff1",
+      "primary": "#80deea",
+      "secondary-dark": "#757575",
+      "secondary": "#b0bec5",
+      "secondary-light": "#eeeeee",
+      "accent": "#757575",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#333333",
+      "navigation": "#006064",
+      "navigation-home": "#37474f"
+    }
   },
   "raspberry": {
-    "application": "#fafafa",
-    "form": "#fafafa",
-    "primary": "#ffb3cc",
-    "secondary-dark": "#757575",
-    "secondary": "#fce4ec",
-    "secondary-light": "#eeeeee",
-    "accent": "#9e9e9e",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#616161",
-    "navigation": "#a40e52",
-    "navigation-home": "#880e4f"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#fafafa",
+      "form": "#fafafa",
+      "primary": "#ffb3cc",
+      "secondary-dark": "#757575",
+      "secondary": "#fce4ec",
+      "secondary-light": "#eeeeee",
+      "accent": "#9e9e9e",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#616161",
+      "navigation": "#a40e52",
+      "navigation-home": "#880e4f"
+    }
   },
   "seaweed": {
-    "application": "#fafafa",
-    "form": "#fafafa",
-    "primary": "#26a69a",
-    "secondary-dark": "#26a69a",
-    "secondary": "#b0bec5",
-    "secondary-light": "#b0bec5",
-    "accent": "#b0bec5",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#333333",
-    "navigation": "#37474f",
-    "navigation-home": "#263238"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#fafafa",
+      "form": "#fafafa",
+      "primary": "#26a69a",
+      "secondary-dark": "#26a69a",
+      "secondary": "#b0bec5",
+      "secondary-light": "#b0bec5",
+      "accent": "#b0bec5",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#333333",
+      "navigation": "#37474f",
+      "navigation-home": "#263238"
+    }
   },
   "lavender": {
-    "application": "#fafafa",
-    "form": "#fafafa",
-    "primary": "#8c9eff",
-    "secondary-dark": "#8c9eff",
-    "secondary": "#b0bec5",
-    "secondary-light": "#b0bec5",
-    "accent": "#b0bec5",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#333333",
-    "navigation": "#37474f",
-    "navigation-home": "#263238"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#fafafa",
+      "form": "#fafafa",
+      "primary": "#8c9eff",
+      "secondary-dark": "#8c9eff",
+      "secondary": "#b0bec5",
+      "secondary-light": "#b0bec5",
+      "accent": "#b0bec5",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#333333",
+      "navigation": "#37474f",
+      "navigation-home": "#263238"
+    }
   },
   "moonlight": {
-    "application": "#eeeeee",
-    "form": "#eeeeee",
-    "primary": "#a5b3c0",
-    "secondary-dark": "#212121",
-    "secondary": "#bdbdbd",
-    "secondary-light": "#e0e0e0",
-    "accent": "#757575",
-    "error": "#e57373",
-    "info": "#00acc1",
-    "success": "#4db6ac",
-    "warning": "#ffd740",
-    "remove": "#e57373",
-    "restore": "#64b5f6",
-    "album": "#ffab00",
-    "download": "#00bfa5",
-    "private": "#00b8d4",
-    "edit": "#00b8d4",
-    "share": "#9575cd",
-    "love": "#ef5350",
-    "terminal": "#333333",
-    "navigation": "#212121",
-    "navigation-home": "#000000"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#eeeeee",
+      "form": "#eeeeee",
+      "primary": "#a5b3c0",
+      "secondary-dark": "#212121",
+      "secondary": "#bdbdbd",
+      "secondary-light": "#e0e0e0",
+      "accent": "#757575",
+      "error": "#e57373",
+      "info": "#00acc1",
+      "success": "#4db6ac",
+      "warning": "#ffd740",
+      "remove": "#e57373",
+      "restore": "#64b5f6",
+      "album": "#ffab00",
+      "download": "#00bfa5",
+      "private": "#00b8d4",
+      "edit": "#00b8d4",
+      "share": "#9575cd",
+      "love": "#ef5350",
+      "terminal": "#333333",
+      "navigation": "#212121",
+      "navigation-home": "#000000"
+    }
   },
   "onyx": {
-    "application": "#525252",
-    "form": "#e5e4e2",
-    "primary": "#c8bdb1",
-    "secondary-dark": "#aba095",
-    "secondary": "#444",
-    "secondary-light": "#666",
-    "accent": "#333",
-    "error": "#e57373",
-    "info": "#5a94dd",
-    "success": "#4db6ac",
-    "warning": "#e3d181",
-    "love": "#ef5350",
-    "remove": "#e35333",
-    "restore": "#64b5f6",
-    "album": "#ffab40",
-    "download": "#07bd9f",
-    "private": "#48bcd6",
-    "edit": "#48bcd6",
-    "share": "#0070a0",
-    "terminal": "#333333",
-    "navigation": "#353839",
-    "navigation-home": "#212121"
+    "dark": false,
+    "sponsor": false,
+    "colors": {
+      "application": "#e5e4e2",
+      "form": "#e5e4e2",
+      "primary": "#c8bdb1",
+      "secondary-dark": "#353839",
+      "secondary": "#a8a8a8",
+      "secondary-light": "#cdccca",
+      "accent": "#656565",
+      "error": "#e57373",
+      "info": "#5a94dd",
+      "success": "#4db6ac",
+      "warning": "#e3d181",
+      "love": "#ef5350",
+      "remove": "#e35333",
+      "restore": "#64b5f6",
+      "album": "#ffab40",
+      "download": "#07bd9f",
+      "private": "#48bcd6",
+      "edit": "#48bcd6",
+      "share": "#0070a0",
+      "terminal": "#333333",
+      "navigation": "#353839",
+      "navigation-home": "#212121"
+    }
   }
 }
diff --git a/frontend/src/pages/settings/general.vue b/frontend/src/pages/settings/general.vue
index df5ff3fd9..479d684dd 100644
--- a/frontend/src/pages/settings/general.vue
+++ b/frontend/src/pages/settings/general.vue
@@ -14,8 +14,8 @@
           <v-layout wrap align-top>
             <v-flex xs12 sm6 class="px-2 pb-2">
               <v-select
-                  :disabled="busy"
                   v-model="settings.ui.theme"
+                  :disabled="busy"
                   :items="options.Themes()"
                   :label="$gettext('Theme')"
                   color="secondary-dark"
@@ -28,8 +28,8 @@
 
             <v-flex xs12 sm6 class="px-2 pb-2">
               <v-select
-                  :disabled="busy"
                   v-model="settings.ui.language"
+                  :disabled="busy"
                   :items="options.Languages()"
                   :label="$gettext('Language')"
                   color="secondary-dark"
@@ -240,8 +240,8 @@
           <v-layout wrap align-top>
             <v-flex xs12 sm6 class="px-2 pb-2">
               <v-select
-                  :disabled="busy"
                   v-model="settings.maps.style"
+                  :disabled="busy"
                   :items="options.MapsStyle()"
                   :label="$gettext('Style')"
                   color="secondary-dark"
@@ -254,8 +254,8 @@
 
             <v-flex xs12 sm6 class="px-2 pb-2">
               <v-select
-                  :disabled="busy"
                   v-model="settings.maps.animate"
+                  :disabled="busy"
                   :items="options.MapsAnimate()"
                   :label="$gettext('Animation')"
                   color="secondary-dark"
@@ -307,7 +307,7 @@ export default {
       this.$config.load().then(() => {
         this.settings.setValues(this.$config.settings());
         this.busy = false;
-      })
+      });
     },
     onChange() {
       const reload = this.settings.changed("ui", "language");
diff --git a/frontend/src/share.js b/frontend/src/share.js
index 3caf0895f..91d92cc30 100644
--- a/frontend/src/share.js
+++ b/frontend/src/share.js
@@ -86,7 +86,7 @@ Vue.prototype.$isMobile = isMobile;
 Vue.prototype.$rtl = rtl;
 
 // Register Vuetify
-Vue.use(Vuetify, { rtl, theme: config.theme });
+Vue.use(Vuetify, { rtl, theme: config.theme.colors });
 
 // Register other VueJS plugins
 Vue.use(GetTextPlugin, {
diff --git a/internal/config/client.go b/internal/config/client.go
index df48a2fef..709a10b94 100644
--- a/internal/config/client.go
+++ b/internal/config/client.go
@@ -25,6 +25,7 @@ type ClientConfig struct {
 	SiteAuthor      string              `json:"siteAuthor"`
 	Debug           bool                `json:"debug"`
 	Demo            bool                `json:"demo"`
+	Sponsor         bool                `json:"sponsor"`
 	ReadOnly        bool                `json:"readonly"`
 	UploadNSFW      bool                `json:"uploadNSFW"`
 	Public          bool                `json:"public"`
@@ -166,6 +167,7 @@ func (c *Config) PublicConfig() ClientConfig {
 		Copyright:       c.Copyright(),
 		Debug:           c.Debug(),
 		Demo:            c.Demo(),
+		Sponsor:         c.Sponsor(),
 		ReadOnly:        c.ReadOnly(),
 		Public:          c.Public(),
 		Experimental:    c.Experimental(),
@@ -216,6 +218,7 @@ func (c *Config) GuestConfig() ClientConfig {
 		Copyright:       c.Copyright(),
 		Debug:           c.Debug(),
 		Demo:            c.Demo(),
+		Sponsor:         c.Sponsor(),
 		ReadOnly:        true,
 		UploadNSFW:      c.UploadNSFW(),
 		Public:          true,
@@ -260,6 +263,7 @@ func (c *Config) UserConfig() ClientConfig {
 		Copyright:       c.Copyright(),
 		Debug:           c.Debug(),
 		Demo:            c.Demo(),
+		Sponsor:         c.Sponsor(),
 		ReadOnly:        c.ReadOnly(),
 		UploadNSFW:      c.UploadNSFW(),
 		Public:          c.Public(),
diff --git a/internal/config/config.go b/internal/config/config.go
index cc5c1973f..246b8b611 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -270,6 +270,11 @@ func (c *Config) Demo() bool {
 	return c.options.Demo
 }
 
+// Your continuous support helps to pay for development, hosting, and external services like satellite maps.
+func (c *Config) Sponsor() bool {
+	return c.options.Sponsor
+}
+
 // Public tests if app runs in public mode and requires no authentication.
 func (c *Config) Public() bool {
 	if c.Demo() {
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index d8ab92b72..cdca60995 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -251,6 +251,7 @@ func TestConfig_ClientConfig(t *testing.T) {
 	assert.NotEmpty(t, cc.ManifestHash)
 	assert.Equal(t, true, cc.Debug)
 	assert.Equal(t, false, cc.Demo)
+	assert.Equal(t, false, cc.Sponsor)
 	assert.Equal(t, false, cc.ReadOnly)
 }
 
diff --git a/internal/config/flags.go b/internal/config/flags.go
index c7230e96f..31504613b 100644
--- a/internal/config/flags.go
+++ b/internal/config/flags.go
@@ -18,6 +18,12 @@ var GlobalFlags = []cli.Flag{
 		Usage:  "run in demo mode",
 		EnvVar: "PHOTOPRISM_DEMO",
 	},
+	cli.BoolFlag{
+		Name:   "sponsor",
+		Hidden: true,
+		Usage:  "your continuous support helps to pay for development, hosting, and external services like satellite maps",
+		EnvVar: "PHOTOPRISM_SPONSOR",
+	},
 	cli.BoolFlag{
 		Name:   "public, p",
 		Usage:  "no authentication required, disables password protection",
diff --git a/internal/config/options.go b/internal/config/options.go
index 6ec64ec57..5c71567ef 100644
--- a/internal/config/options.go
+++ b/internal/config/options.go
@@ -35,6 +35,7 @@ type Options struct {
 	Copyright         string `json:"-"`
 	Debug             bool   `yaml:"Debug" json:"Debug" flag:"debug"`
 	Demo              bool   `yaml:"Demo" json:"-" flag:"demo"`
+	Sponsor           bool   `yaml:"-" json:"-" flag:"sponsor"`
 	Public            bool   `yaml:"Public" json:"-" flag:"public"`
 	ReadOnly          bool   `yaml:"ReadOnly" json:"ReadOnly" flag:"read-only"`
 	Experimental      bool   `yaml:"Experimental" json:"Experimental" flag:"experimental"`