diff --git a/src/db/couchDevices.ts b/src/db/couchDevices.ts
index 45ce590..53f45c0 100644
--- a/src/db/couchDevices.ts
+++ b/src/db/couchDevices.ts
@@ -1,5 +1,6 @@
 import {
   asArray,
+  asBoolean,
   asDate,
   asObject,
   asOptional,
@@ -43,6 +44,7 @@ export const asCouchDevice = asCouchDoc<CouchDevice>(
     // Status:
     apiKey: asOptional(asString),
     deviceToken: asOptional(asString),
+    ignorePriceChanges: asOptional(asBoolean, false),
     loginIds: asArray(asBase64),
     visited: asDate
   })
@@ -84,6 +86,7 @@ export async function getDeviceById(
       created: date,
       apiKey: undefined,
       deviceToken: undefined,
+      ignorePriceChanges: false,
       loginIds: [],
       visited: date
     }
@@ -160,6 +163,9 @@ function makeDeviceRow(
         if (device.deviceToken === base.deviceToken) {
           device.deviceToken = remote.doc.deviceToken
         }
+        if (device.ignorePriceChanges === base.ignorePriceChanges) {
+          device.ignorePriceChanges = remote.doc.ignorePriceChanges
+        }
         if (device.loginIds === base.loginIds) {
           device.loginIds = remote.doc.loginIds
         }
diff --git a/src/server/routes/deviceRoutes.ts b/src/server/routes/deviceRoutes.ts
index 902d4e7..aeb1185 100644
--- a/src/server/routes/deviceRoutes.ts
+++ b/src/server/routes/deviceRoutes.ts
@@ -24,8 +24,9 @@ export const deviceFetchRoute = withDevice(async request => {
 
   return jsonResponse(
     wasDevicePayload({
-      loginIds: device.loginIds,
-      events: eventRows.map(row => row.event)
+      events: eventRows.map(row => row.event),
+      ignorePriceChanges: device.ignorePriceChanges,
+      loginIds: device.loginIds
     })
   )
 })
@@ -43,9 +44,15 @@ export const deviceUpdateRoute = withDevice(async request => {
 
   const checked = checkPayload(asDeviceUpdatePayload, payload)
   if (checked.error != null) return checked.error
-  const { loginIds, createEvents, removeEvents } = checked.clean
+  const { loginIds, createEvents, ignorePriceChanges, removeEvents } =
+    checked.clean
 
-  device.loginIds = loginIds
+  if (ignorePriceChanges != null) {
+    device.ignorePriceChanges = ignorePriceChanges
+  }
+  if (loginIds != null) {
+    device.loginIds = loginIds
+  }
   const events = await adjustEvents(connection, {
     date,
     deviceId: device.deviceId,
@@ -53,5 +60,11 @@ export const deviceUpdateRoute = withDevice(async request => {
     removeEvents
   })
 
-  return jsonResponse(wasDevicePayload({ loginIds: device.loginIds, events }))
+  return jsonResponse(
+    wasDevicePayload({
+      events,
+      ignorePriceChanges: device.ignorePriceChanges,
+      loginIds: device.loginIds
+    })
+  )
 })
diff --git a/src/types/pushApiTypes.ts b/src/types/pushApiTypes.ts
index 3e35b90..7e1cd64 100644
--- a/src/types/pushApiTypes.ts
+++ b/src/types/pushApiTypes.ts
@@ -1,5 +1,6 @@
 import {
   asArray,
+  asBoolean,
   asDate,
   asEither,
   asNull,
@@ -54,9 +55,11 @@ export interface NewPushEvent {
  * PUSH /v2/device/update payload.
  */
 export interface DeviceUpdatePayload {
-  loginIds: Uint8Array[]
   createEvents?: NewPushEvent[]
   removeEvents?: string[]
+
+  ignorePriceChanges?: boolean
+  loginIds?: Uint8Array[]
 }
 
 /**
@@ -92,9 +95,11 @@ export const asNewPushEvent: Cleaner<NewPushEvent> = asObject({
 })
 
 export const asDeviceUpdatePayload: Cleaner<DeviceUpdatePayload> = asObject({
-  loginIds: asArray(asBase64),
   createEvents: asOptional(asArray(asNewPushEvent), []),
-  removeEvents: asOptional(asArray(asString), [])
+  removeEvents: asOptional(asArray(asString), []),
+
+  ignorePriceChanges: asOptional(asBoolean),
+  loginIds: asOptional(asArray(asBase64))
 })
 
 export const asLoginUpdatePayload: Cleaner<LoginUpdatePayload> = asObject({
@@ -131,8 +136,9 @@ export const asPushEventStatus: Cleaner<
  * POST /v2/device response payload.
  */
 export const asDevicePayload = asObject({
-  loginIds: asArray(asBase64),
-  events: asArray(asPushEventStatus)
+  events: asArray(asPushEventStatus),
+  ignorePriceChanges: asBoolean,
+  loginIds: asArray(asBase64)
 })
 
 /**
diff --git a/src/types/pushTypes.ts b/src/types/pushTypes.ts
index a06cbef..3acc270 100644
--- a/src/types/pushTypes.ts
+++ b/src/types/pushTypes.ts
@@ -41,6 +41,7 @@ export interface Device {
   // Settings:
   apiKey: string | undefined // Which app to send to?
   deviceToken: string | undefined
+  ignorePriceChanges: boolean
   loginIds: Uint8Array[]
   visited: Date
 }