diff --git a/keyserver/src/responders/website-responders.js b/keyserver/src/responders/website-responders.js
index 2c702beb5..5e0f1de25 100644
--- a/keyserver/src/responders/website-responders.js
+++ b/keyserver/src/responders/website-responders.js
@@ -1,470 +1,592 @@
 // @flow
 
 import html from 'common-tags/lib/html/index.js';
 import { detect as detectBrowser } from 'detect-browser';
 import type { $Response, $Request } from 'express';
 import fs from 'fs';
 import _keyBy from 'lodash/fp/keyBy.js';
 import * as React from 'react';
 // eslint-disable-next-line import/extensions
 import ReactDOMServer from 'react-dom/server';
 import { promisify } from 'util';
 
 import { baseLegalPolicies } from 'lib/facts/policies.js';
 import stores from 'lib/facts/stores.js';
 import { daysToEntriesFromEntryInfos } from 'lib/reducers/entry-reducer.js';
 import { freshMessageStore } from 'lib/reducers/message-reducer.js';
 import { mostRecentlyReadThread } from 'lib/selectors/thread-selectors.js';
 import { mostRecentMessageTimestamp } from 'lib/shared/message-utils.js';
 import {
   threadHasPermission,
   threadIsPending,
   parsePendingThreadID,
   createPendingThread,
 } from 'lib/shared/thread-utils.js';
 import { defaultWebEnabledApps } from 'lib/types/enabled-apps.js';
 import { defaultCalendarFilters } from 'lib/types/filter-types.js';
 import { defaultNumberPerThread } from 'lib/types/message-types.js';
 import { defaultEnabledReports } from 'lib/types/report-types.js';
 import { defaultConnectionInfo } from 'lib/types/socket-types.js';
 import { threadPermissions, threadTypes } from 'lib/types/thread-types.js';
 import { currentDateInTimeZone } from 'lib/utils/date-utils.js';
 import { ServerError } from 'lib/utils/errors.js';
 import { promiseAll } from 'lib/utils/promises.js';
 import { defaultNotifPermissionAlertInfo } from 'lib/utils/push-alerts.js';
 import getTitle from 'web/title/getTitle.js';
 import { navInfoFromURL } from 'web/url-utils.js';
 
 import { fetchEntryInfos } from '../fetchers/entry-fetchers.js';
 import { fetchMessageInfos } from '../fetchers/message-fetchers.js';
 import { hasAnyNotAcknowledgedPolicies } from '../fetchers/policy-acknowledgment-fetchers.js';
 import { fetchThreadInfos } from '../fetchers/thread-fetchers.js';
 import {
   fetchCurrentUserInfo,
   fetchKnownUserInfos,
 } from '../fetchers/user-fetchers.js';
 import { getWebPushConfig } from '../push/providers.js';
 import { setNewSession } from '../session/cookies.js';
 import { Viewer } from '../session/viewer.js';
 import { streamJSON, waitForStream } from '../utils/json-stream.js';
 import { getAppURLFactsFromRequestURL } from '../utils/urls.js';
 
 const { renderToNodeStream } = ReactDOMServer;
 
 const access = promisify(fs.access);
 const readFile = promisify(fs.readFile);
 
 const googleFontsURL =
   'https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600&family=Inter:wght@400;500;600&display=swap';
 const localFontsURL = 'fonts/local-fonts.css';
 async function getFontsURL() {
   try {
     await access(localFontsURL);
     return localFontsURL;
   } catch {
     return googleFontsURL;
   }
 }
 
 type AssetInfo = {
   +jsURL: string,
   +fontsURL: string,
   +cssInclude: string,
   +olmFilename: string,
   +sqljsFilename: string,
   +opaqueURL: string,
 };
 let assetInfo: ?AssetInfo = null;
 async function getAssetInfo() {
   if (assetInfo) {
     return assetInfo;
   }
   if (process.env.NODE_ENV === 'development') {
     const fontsURL = await getFontsURL();
     assetInfo = {
       jsURL: 'http://localhost:8080/dev.build.js',
       fontsURL,
       cssInclude: '',
       olmFilename: '',
       sqljsFilename: '',
       opaqueURL: 'http://localhost:8080/opaque-ke.wasm',
     };
     return assetInfo;
   }
   try {
     const manifestString = await readFile('../web/dist/manifest.json', 'utf8');
     const manifest = JSON.parse(manifestString);
     const webworkersManifestString = await readFile(
       '../web/dist/webworkers/manifest.json',
       'utf8',
     );
     const webworkersManifest = JSON.parse(webworkersManifestString);
     assetInfo = {
       jsURL: `compiled/${manifest['browser.js']}`,
       fontsURL: googleFontsURL,
       cssInclude: html`
         <link
           rel="stylesheet"
           type="text/css"
           href="compiled/${manifest['browser.css']}"
         />
       `,
       olmFilename: manifest['olm.wasm'],
       sqljsFilename: webworkersManifest['sql-wasm.wasm'],
       opaqueURL: `compiled/${manifest['comm_opaque2_wasm_bg.wasm']}`,
     };
     return assetInfo;
   } catch {
     throw new Error(
       'Could not load manifest.json for web build. ' +
         'Did you forget to run `yarn dev` in the web folder?',
     );
   }
 }
 
 let webpackCompiledRootComponent: ?React.ComponentType<{}> = null;
 async function getWebpackCompiledRootComponentForSSR() {
   if (webpackCompiledRootComponent) {
     return webpackCompiledRootComponent;
   }
   try {
     // $FlowFixMe web/dist doesn't always exist
     const webpackBuild = await import('web/dist/app.build.cjs');
     webpackCompiledRootComponent = webpackBuild.app.default;
     return webpackCompiledRootComponent;
   } catch {
     throw new Error(
       'Could not load app.build.cjs. ' +
         'Did you forget to run `yarn dev` in the web folder?',
     );
   }
 }
 
 async function websiteResponder(
   viewer: Viewer,
   req: $Request,
   res: $Response,
 ): Promise<void> {
   const appURLFacts = getAppURLFactsFromRequestURL(req.originalUrl);
   const { basePath, baseDomain } = appURLFacts;
   const baseURL = basePath.replace(/\/$/, '');
   const baseHref = baseDomain + baseURL;
 
   const loadingPromise = getWebpackCompiledRootComponentForSSR();
   const hasNotAcknowledgedPoliciesPromise = hasAnyNotAcknowledgedPolicies(
     viewer.id,
     baseLegalPolicies,
   );
 
   let initialNavInfo;
   try {
     initialNavInfo = navInfoFromURL(req.url, {
       now: currentDateInTimeZone(viewer.timeZone),
     });
   } catch (e) {
     throw new ServerError(e.message);
   }
 
   const calendarQuery = {
     startDate: initialNavInfo.startDate,
     endDate: initialNavInfo.endDate,
     filters: defaultCalendarFilters,
   };
   const messageSelectionCriteria = { joinedThreads: true };
   const initialTime = Date.now();
 
   const assetInfoPromise = getAssetInfo();
   const threadInfoPromise = fetchThreadInfos(viewer);
   const messageInfoPromise = fetchMessageInfos(
     viewer,
     messageSelectionCriteria,
     defaultNumberPerThread,
   );
   const entryInfoPromise = fetchEntryInfos(viewer, [calendarQuery]);
   const currentUserInfoPromise = fetchCurrentUserInfo(viewer);
   const userInfoPromise = fetchKnownUserInfos(viewer);
 
   const sessionIDPromise = (async () => {
     if (viewer.loggedIn) {
       await setNewSession(viewer, calendarQuery, initialTime);
     }
     return viewer.sessionID;
   })();
 
   const threadStorePromise = (async () => {
     const [{ threadInfos }, hasNotAcknowledgedPolicies] = await Promise.all([
       threadInfoPromise,
       hasNotAcknowledgedPoliciesPromise,
     ]);
     return { threadInfos: hasNotAcknowledgedPolicies ? {} : threadInfos };
   })();
   const messageStorePromise = (async () => {
     const [
       { threadInfos },
       { rawMessageInfos, truncationStatuses },
       hasNotAcknowledgedPolicies,
     ] = await Promise.all([
       threadInfoPromise,
       messageInfoPromise,
       hasNotAcknowledgedPoliciesPromise,
     ]);
     if (hasNotAcknowledgedPolicies) {
       return {
         messages: {},
         threads: {},
         local: {},
         currentAsOf: 0,
       };
     }
     const { messageStore: freshStore } = freshMessageStore(
       rawMessageInfos,
       truncationStatuses,
       mostRecentMessageTimestamp(rawMessageInfos, initialTime),
       threadInfos,
     );
     return freshStore;
   })();
   const entryStorePromise = (async () => {
     const [{ rawEntryInfos }, hasNotAcknowledgedPolicies] = await Promise.all([
       entryInfoPromise,
       hasNotAcknowledgedPoliciesPromise,
     ]);
     if (hasNotAcknowledgedPolicies) {
       return {
         entryInfos: {},
         daysToEntries: {},
         lastUserInteractionCalendar: 0,
       };
     }
     return {
       entryInfos: _keyBy('id')(rawEntryInfos),
       daysToEntries: daysToEntriesFromEntryInfos(rawEntryInfos),
       lastUserInteractionCalendar: initialTime,
     };
   })();
   const userStorePromise = (async () => {
     const [userInfos, hasNotAcknowledgedPolicies] = await Promise.all([
       userInfoPromise,
       hasNotAcknowledgedPoliciesPromise,
     ]);
     return {
       userInfos: hasNotAcknowledgedPolicies ? {} : userInfos,
       inconsistencyReports: [],
     };
   })();
 
   const navInfoPromise = (async () => {
     const [{ threadInfos }, messageStore, currentUserInfo, userStore] =
       await Promise.all([
         threadInfoPromise,
         messageStorePromise,
         currentUserInfoPromise,
         userStorePromise,
       ]);
     const finalNavInfo = initialNavInfo;
 
     const requestedActiveChatThreadID = finalNavInfo.activeChatThreadID;
     if (
       requestedActiveChatThreadID &&
       !threadIsPending(requestedActiveChatThreadID) &&
       !threadHasPermission(
         threadInfos[requestedActiveChatThreadID],
         threadPermissions.VISIBLE,
       )
     ) {
       finalNavInfo.activeChatThreadID = null;
     }
 
     if (!finalNavInfo.activeChatThreadID) {
       const mostRecentThread = mostRecentlyReadThread(
         messageStore,
         threadInfos,
       );
       if (mostRecentThread) {
         finalNavInfo.activeChatThreadID = mostRecentThread;
       }
     }
 
     if (
       finalNavInfo.activeChatThreadID &&
       threadIsPending(finalNavInfo.activeChatThreadID) &&
       finalNavInfo.pendingThread?.id !== finalNavInfo.activeChatThreadID
     ) {
       const pendingThreadData = parsePendingThreadID(
         finalNavInfo.activeChatThreadID,
       );
       if (
         pendingThreadData &&
         pendingThreadData.threadType !== threadTypes.SIDEBAR &&
         currentUserInfo.id
       ) {
         const { userInfos } = userStore;
         const members = [...pendingThreadData.memberIDs, currentUserInfo.id]
           .map(id => {
             const userInfo = userInfos[id];
             if (!userInfo || !userInfo.username) {
               return undefined;
             }
             const { username } = userInfo;
             return { id, username };
           })
           .filter(Boolean);
         const newPendingThread = createPendingThread({
           viewerID: currentUserInfo.id,
           threadType: pendingThreadData.threadType,
           members,
         });
         finalNavInfo.activeChatThreadID = newPendingThread.id;
         finalNavInfo.pendingThread = newPendingThread;
       }
     }
 
     return finalNavInfo;
   })();
   const currentAsOfPromise = (async () => {
     const hasNotAcknowledgedPolicies = await hasNotAcknowledgedPoliciesPromise;
     return hasNotAcknowledgedPolicies ? 0 : initialTime;
   })();
 
   const pushApiPublicKeyPromise = (async () => {
     const pushConfig = await getWebPushConfig();
     if (!pushConfig) {
       if (process.env.NODE_ENV !== 'development') {
         console.warn('keyserver/secrets/web_push_config.json should exist');
       }
       return null;
     }
     return pushConfig.publicKey;
   })();
 
   const { jsURL, fontsURL, cssInclude, olmFilename, sqljsFilename, opaqueURL } =
     await assetInfoPromise;
 
   // prettier-ignore
   res.write(html`
     <!DOCTYPE html>
     <html lang="en">
       <head>
         <meta charset="utf-8" />
         <title>${getTitle(0)}</title>
         <base href="${basePath}" />
         <link rel="stylesheet" type="text/css" href="${fontsURL}" />
         ${cssInclude}
         <link
           rel="apple-touch-icon"
           sizes="180x180"
           href="apple-touch-icon.png"
         />
         <link
           rel="icon"
           type="image/png"
           sizes="32x32"
           href="favicon-32x32.png"
         />
         <link
           rel="icon"
           type="image/png"
           sizes="16x16"
           href="favicon-16x16.png"
         />
         <link rel="manifest" href="site.webmanifest" />
         <meta name="apple-mobile-web-app-title" content="Comm" />
         <meta name="application-name" content="Comm" />
         <meta name="msapplication-TileColor" content="#b91d47" />
         <meta name="theme-color" content="#b91d47" />
       </head>
       <body>
         <div id="react-root">
   `);
 
   const Loading = await loadingPromise;
   const reactStream = renderToNodeStream(<Loading />);
   reactStream.pipe(res, { end: false });
 
   await waitForStream(reactStream);
   res.write(html`
     </div>
     <script>
       var preloadedState =
   `);
 
   const initialReduxState = await promiseAll({
     navInfo: navInfoPromise,
     deviceID: null,
     currentUserInfo: currentUserInfoPromise,
     draftStore: { drafts: {} },
     sessionID: sessionIDPromise,
     entryStore: entryStorePromise,
     threadStore: threadStorePromise,
     userStore: userStorePromise,
     messageStore: messageStorePromise,
     updatesCurrentAsOf: currentAsOfPromise,
     loadingStatuses: {},
     calendarFilters: defaultCalendarFilters,
     // We can use paths local to the <base href> on web
     urlPrefix: '',
     windowDimensions: { width: 0, height: 0 },
     baseHref,
     notifPermissionAlertInfo: defaultNotifPermissionAlertInfo,
     connection: {
       ...defaultConnectionInfo(viewer.platform ?? 'web', viewer.timeZone),
       actualizedCalendarQuery: calendarQuery,
     },
     watchedThreadIDs: [],
     lifecycleState: 'active',
     enabledApps: defaultWebEnabledApps,
     reportStore: {
       enabledReports: defaultEnabledReports,
       queuedReports: [],
     },
     nextLocalID: 0,
     cookie: undefined,
     deviceToken: null,
     dataLoaded: viewer.loggedIn,
     windowActive: true,
     userPolicies: {},
     cryptoStore: {
       primaryIdentityKeys: null,
       notificationIdentityKeys: null,
     },
     pushApiPublicKey: pushApiPublicKeyPromise,
     _persist: null,
     commServicesAccessToken: null,
   });
   const jsonStream = streamJSON(res, initialReduxState);
 
   await waitForStream(jsonStream);
   res.end(html`
     ;
           var baseURL = "${baseURL}";
           var olmFilename = "${olmFilename}";
           var sqljsFilename = "${sqljsFilename}";
           var opaqueURL = "${opaqueURL}";
         </script>
         <script src="${jsURL}"></script>
       </body>
     </html>
   `);
 }
 
 const inviteSecretRegex = /^[a-z0-9]+$/i;
 
 function inviteResponder(req: $Request, res: $Response) {
   const { secret } = req.params;
   const userAgent = req.get('User-Agent');
   const detectionResult = detectBrowser(userAgent);
-  let redirectUrl = stores.appStoreUrl;
   if (detectionResult.os === 'Android OS') {
     const isSecretValid = inviteSecretRegex.test(secret);
     const referrer = isSecretValid
       ? `&referrer=${encodeURIComponent(`utm_source=invite/${secret}`)}`
       : '';
-    redirectUrl = `${stores.googlePlayUrl}${referrer}`;
+    const redirectUrl = `${stores.googlePlayUrl}${referrer}`;
+    res.writeHead(301, {
+      Location: redirectUrl,
+    });
+    res.end();
+    return;
   }
-  res.writeHead(301, {
-    Location: redirectUrl,
-  });
-  res.end();
+  res.end(html`
+    <!DOCTYPE html>
+    <html lang="en">
+      <head>
+        <meta charset="utf-8" />
+        <title>Comm</title>
+        <style>
+          * {
+            -webkit-font-smoothing: antialiased;
+            -moz-osx-font-smoothing: grayscale;
+            box-sizing: border-box;
+            padding: 0;
+            margin: 0;
+          }
+
+          html {
+            height: 100%;
+            font-size: 112.5%;
+          }
+
+          body {
+            font-family: 'Inter', -apple-system, 'Segoe UI', 'Roboto', 'Oxygen',
+              'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
+              ui-sans-serif;
+            background-color: #0a0a0a;
+            color: #ffffff;
+            display: flex;
+            flex-direction: column;
+            justify-content: space-around;
+            align-items: center;
+            height: 100%;
+            padding: 1.6rem;
+            font-size: 1.8rem;
+            line-height: 2.4rem;
+            font-weight: 500;
+          }
+
+          section {
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            justify-content: space-between;
+            width: 100%;
+          }
+
+          .card {
+            width: 100%;
+            padding: 3.2rem 1.6rem;
+            gap: 4rem;
+            background-color: #1f1f1f;
+            border-radius: 1.6rem;
+          }
+
+          .buttons {
+            gap: 1.2rem;
+          }
+
+          h1 {
+            font-size: 3.6rem;
+            line-height: 1.5;
+            font-weight: 500;
+          }
+
+          p {
+            text-align: center;
+          }
+
+          .separator {
+            border: 1px solid #404040;
+            width: 100%;
+          }
+
+          .button {
+            all: unset;
+            box-sizing: border-box;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            width: 100%;
+            padding: 1.7rem;
+            border-radius: 0.4rem;
+            border: 1px solid transparent;
+            background-color: #6d49ab;
+            font-size: 1.6rem;
+            line-height: 1.5;
+          }
+
+          .button.secondary {
+            background-color: #1f1f1f;
+            border-color: #ffffff;
+          }
+
+          .link {
+            all: unset;
+            box-sizing: border-box;
+            text-decoration-line: underline;
+          }
+        </style>
+      </head>
+      <body>
+        <div></div>
+        <section class="card">
+          <section>
+            Icon
+            <h1>Comm</h1>
+          </section>
+          <p>
+            To join this community, download the Comm app and reopen this invite
+            link
+          </p>
+          <div class="separator"></div>
+          <section class="buttons">
+            <a class="button" href="${stores.appStoreUrl}">Download Comm</a>
+            <a class="button secondary" href="/invite/${secret}">
+              Invite Link
+            </a>
+          </section>
+        </section>
+        <a class="link" href="https://comm.app/">Visit Comm’s website</a>
+      </body>
+    </html>
+  `);
 }
 
 export { websiteResponder, inviteResponder };