diff --git a/keyserver/src/creators/message-creator.js b/keyserver/src/creators/message-creator.js
--- a/keyserver/src/creators/message-creator.js
+++ b/keyserver/src/creators/message-creator.js
@@ -49,7 +49,7 @@
   +devices: Map<
     string,
     {
-      +deviceType: string,
+      +platform: string,
       +deviceToken: string,
       +codeVersion: ?string,
     },
@@ -379,7 +379,7 @@
     }
     if (deviceToken) {
       thisUserInfo.devices.set(deviceToken, {
-        deviceType: platform,
+        platform,
         deviceToken,
         codeVersion: versions ? versions.codeVersion : null,
       });
diff --git a/keyserver/src/push/send.js b/keyserver/src/push/send.js
--- a/keyserver/src/push/send.js
+++ b/keyserver/src/push/send.js
@@ -22,7 +22,7 @@
   rawThreadInfoFromServerThreadInfo,
   threadInfoFromRawThreadInfo,
 } from 'lib/shared/thread-utils.js';
-import type { DeviceType } from 'lib/types/device-types.js';
+import type { Platform } from 'lib/types/device-types.js';
 import {
   type RawMessageInfo,
   type MessageInfo,
@@ -53,7 +53,7 @@
 import { getENSNames } from '../utils/ens-cache.js';
 
 type Device = {
-  +deviceType: DeviceType,
+  +platform: Platform,
   +deviceToken: string,
   +codeVersion: ?number,
 };
@@ -154,7 +154,7 @@
 
       const dbID = dbIDs.shift();
       invariant(dbID, 'should have sufficient DB IDs');
-      const byDeviceType = getDevicesByDeviceType(pushInfo[userID].devices);
+      const byPlatform = getDevicesByPlatform(pushInfo[userID].devices);
       const firstMessageID = firstNewMessageInfo.id;
       invariant(firstMessageID, 'RawMessageInfo.id should be set on server');
       const notificationInfo = {
@@ -166,7 +166,7 @@
         collapseKey: notifInfo.collapseKey,
       };
 
-      const iosVersionsToTokens = byDeviceType.get('ios');
+      const iosVersionsToTokens = byPlatform.get('ios');
       if (iosVersionsToTokens) {
         for (const [codeVer, deviceTokens] of iosVersionsToTokens) {
           const codeVersion = parseInt(codeVer, 10); // only for Flow
@@ -196,7 +196,7 @@
           deliveryPromises.push(deliveryPromise);
         }
       }
-      const androidVersionsToTokens = byDeviceType.get('android');
+      const androidVersionsToTokens = byPlatform.get('android');
       if (androidVersionsToTokens) {
         for (const [codeVer, deviceTokens] of androidVersionsToTokens) {
           const codeVersion = parseInt(codeVer, 10); // only for Flow
@@ -492,15 +492,15 @@
   return await createIDs('notifications', numIDsNeeded);
 }
 
-function getDevicesByDeviceType(
+function getDevicesByPlatform(
   devices: Device[],
-): Map<DeviceType, Map<number, Set<string>>> {
-  const byDeviceType = new Map();
+): Map<Platform, Map<number, Set<string>>> {
+  const byPlatform = new Map();
   for (const device of devices) {
-    let innerMap = byDeviceType.get(device.deviceType);
+    let innerMap = byPlatform.get(device.platform);
     if (!innerMap) {
       innerMap = new Map();
-      byDeviceType.set(device.deviceType, innerMap);
+      byPlatform.set(device.platform, innerMap);
     }
     const codeVersion: number =
       device.codeVersion !== null && device.codeVersion !== undefined
@@ -513,7 +513,7 @@
     }
     innerMostSet.add(device.deviceToken);
   }
-  return byDeviceType;
+  return byPlatform;
 }
 
 type IOSNotifInputData = {
@@ -859,15 +859,15 @@
   const unreadCount = unreadCounts[userID];
 
   const devices = deviceTokenResult.map(row => ({
-    deviceType: row.platform,
+    platform: row.platform,
     deviceToken: row.device_token,
     codeVersion: JSON.parse(row.versions)?.codeVersion,
   }));
-  const byDeviceType = getDevicesByDeviceType(devices);
+  const byPlatform = getDevicesByPlatform(devices);
 
   const deliveryPromises = [];
 
-  const iosVersionsToTokens = byDeviceType.get('ios');
+  const iosVersionsToTokens = byPlatform.get('ios');
   if (iosVersionsToTokens) {
     for (const [codeVer, deviceTokens] of iosVersionsToTokens) {
       const codeVersion = parseInt(codeVer, 10); // only for Flow
@@ -886,7 +886,7 @@
     }
   }
 
-  const androidVersionsToTokens = byDeviceType.get('android');
+  const androidVersionsToTokens = byPlatform.get('android');
   if (androidVersionsToTokens) {
     for (const [codeVer, deviceTokens] of androidVersionsToTokens) {
       const codeVersion = parseInt(codeVer, 10); // only for Flow