diff --git a/app/controllers/settings/preferences_controller.rb b/app/controllers/settings/preferences_controller.rb
index 5863a3f18..d838ff56f 100644
--- a/app/controllers/settings/preferences_controller.rb
+++ b/app/controllers/settings/preferences_controller.rb
@@ -12,7 +12,8 @@ class Settings::PreferencesController < ApplicationController
   def update
     @user = Current.user
     user_params = params.permit(user: [ :preview_features_enabled ]).fetch(:user, {})
-    module_params = params.permit(family: { modules: {} }).dig(:family, :modules)
+    allowed_module_keys = Family::AVAILABLE_MODULES.map(&:to_sym)
+    module_params = params.permit(family: { modules: allowed_module_keys }).dig(:family, :modules)
 
     ActiveRecord::Base.transaction do
       @user.lock!
diff --git a/app/views/settings/preferences/show.html.erb b/app/views/settings/preferences/show.html.erb
index c1f285051..fd1ac48be 100644
--- a/app/views/settings/preferences/show.html.erb
+++ b/app/views/settings/preferences/show.html.erb
@@ -246,7 +246,7 @@
             <h5 class="text-primary"><%= t("modules.#{module_name}.title") %></h5>
             <p class="text-secondary"><%= t("modules.#{module_name}.description") %></p>
           </div>
-          <%= hidden_field_tag "family[modules][#{module_name}]", "0" %>
+          <%= hidden_field_tag "family[modules][#{module_name}]", "0", id: nil %>
           <%= render DS::Toggle.new(
                 id: "family_modules_#{module_name}",
                 name: "family[modules][#{module_name}]",
diff --git a/db/schema.rb b/db/schema.rb
index c7fcf54ae..7e8a1f8ec 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2026_05_19_100000) do
+ActiveRecord::Schema[7.2].define(version: 2026_05_22_120000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -498,7 +498,7 @@ ActiveRecord::Schema[7.2].define(version: 2026_05_19_100000) do
     t.index ["provider_key"], name: "index_debug_log_entries_on_provider_key"
     t.index ["source"], name: "index_debug_log_entries_on_source"
     t.index ["user_id"], name: "index_debug_log_entries_on_user_id"
-    t.check_constraint "level::text = ANY (ARRAY['debug'::character varying, 'info'::character varying, 'warn'::character varying, 'error'::character varying]::text[])", name: "chk_debug_log_entries_level"
+    t.check_constraint "level::text = ANY (ARRAY['debug'::character varying::text, 'info'::character varying::text, 'warn'::character varying::text, 'error'::character varying::text])", name: "chk_debug_log_entries_level"
   end
 
   create_table "depositories", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
@@ -717,6 +717,7 @@ ActiveRecord::Schema[7.2].define(version: 2026_05_19_100000) do
     t.string "default_account_sharing", default: "shared", null: false
     t.string "enabled_currencies", array: true
     t.datetime "last_sync_all_attempted_at"
+    t.string "disabled_modules", default: [], null: false, array: true
     t.check_constraint "default_account_sharing::text = ANY (ARRAY['shared'::character varying::text, 'private'::character varying::text])", name: "chk_families_default_account_sharing"
     t.check_constraint "month_start_day >= 1 AND month_start_day <= 28", name: "month_start_day_range"
   end
diff --git a/docs/screenshots/explore-feature-modules/01-module-toggle-on.png b/docs/screenshots/explore-feature-modules/01-module-toggle-on.png
new file mode 100644
index 000000000..70f8f9ba4
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diff --git a/docs/screenshots/explore-feature-modules/02-module-toggle-off.png b/docs/screenshots/explore-feature-modules/02-module-toggle-off.png
new file mode 100644
index 000000000..97af79fdd
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diff --git a/docs/screenshots/explore-feature-modules/03-investments-redirect-flash.png b/docs/screenshots/explore-feature-modules/03-investments-redirect-flash.png
new file mode 100644
index 000000000..ed85fc9c4
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diff --git a/docs/screenshots/explore-feature-modules/04-account-picker-investments-off.png b/docs/screenshots/explore-feature-modules/04-account-picker-investments-off.png
new file mode 100644
index 000000000..94e6f3b10
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diff --git a/docs/screenshots/explore-feature-modules/05-account-picker-investments-on.png b/docs/screenshots/explore-feature-modules/05-account-picker-investments-on.png
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index 000000000..eaf1b43be
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