diff --git a/src/components/structures/MatrixChat.tsx b/src/components/structures/MatrixChat.tsx
index 62c729c422..2b1b93ebec 100644
--- a/src/components/structures/MatrixChat.tsx
+++ b/src/components/structures/MatrixChat.tsx
@@ -81,6 +81,7 @@ import ThreepidInviteStore, { IThreepidInvite, IThreepidInviteWireFormat } from
 import {UIFeature} from "../../settings/UIFeature";
 import { CommunityPrototypeStore } from "../../stores/CommunityPrototypeStore";
 import DialPadModal from "../views/voip/DialPadModal";
+import { showToast as showMobileGuideToast } from '../../toasts/MobileGuideToast';
 
 /** constants for MatrixChat.state.view */
 export enum Views {
@@ -1186,6 +1187,11 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
         ) {
             showAnalyticsToast(this.props.config.piwik?.policyUrl);
         }
+        if (SdkConfig.get().mobileGuideToast) {
+            // The toast contains further logic to detect mobile platforms,
+            // check if it has been dismissed before, etc.
+            showMobileGuideToast();
+        }
     }
 
     private showScreenAfterLogin() {
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 8d047ea3f1..8f9884c27b 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -726,6 +726,9 @@
     "Notifications": "Notifications",
     "Enable desktop notifications": "Enable desktop notifications",
     "Enable": "Enable",
+    "Mobile experience": "Mobile experience",
+    "Element Web is currently experimental on mobile. The native apps are recommended for most people.": "Element Web is currently experimental on mobile. The native apps are recommended for most people.",
+    "Learn more": "Learn more",
     "Your homeserver has exceeded its user limit.": "Your homeserver has exceeded its user limit.",
     "Your homeserver has exceeded one of its resource limits.": "Your homeserver has exceeded one of its resource limits.",
     "Contact your <a>server admin</a>.": "Contact your <a>server admin</a>.",
@@ -2190,7 +2193,6 @@
     "We call the places where you can host your account ‘homeservers’.": "We call the places where you can host your account ‘homeservers’.",
     "Other homeserver": "Other homeserver",
     "Use your preferred Matrix homeserver if you have one, or host your own.": "Use your preferred Matrix homeserver if you have one, or host your own.",
-    "Learn more": "Learn more",
     "About homeservers": "About homeservers",
     "Sign out and remove encryption keys?": "Sign out and remove encryption keys?",
     "Clear Storage and Sign Out": "Clear Storage and Sign Out",
diff --git a/src/toasts/MobileGuideToast.ts b/src/toasts/MobileGuideToast.ts
new file mode 100644
index 0000000000..310f261c15
--- /dev/null
+++ b/src/toasts/MobileGuideToast.ts
@@ -0,0 +1,61 @@
+/*
+Copyright 2021 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import { _t } from "../languageHandler";
+import GenericToast from "../components/views/toasts/GenericToast";
+import ToastStore from "../stores/ToastStore";
+
+const onAccept = () => {
+    window.location.href = "mobile_guide/";
+};
+
+const onReject = () => {
+    document.cookie = "element_mobile_redirect_to_guide=false;path=/;max-age=14400";
+    hideToast();
+};
+
+const TOAST_KEY = "mobileguide";
+
+export const showToast = () => {
+    const isIos = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
+    const isAndroid = /Android/.test(navigator.userAgent);
+    if (!isIos && !isAndroid) {
+        return;
+    }
+    if (document.cookie.includes("element_mobile_redirect_to_guide=false")) {
+        return;
+    }
+    ToastStore.sharedInstance().addOrReplaceToast({
+        key: TOAST_KEY,
+        title: _t("Mobile experience"),
+        props: {
+            description: _t(
+                "Element Web is currently experimental on mobile. " +
+                "The native apps are recommended for most people.",
+            ),
+            acceptLabel: _t("Learn more"),
+            onAccept,
+            rejectLabel: _t("Dismiss"),
+            onReject,
+        },
+        component: GenericToast,
+        priority: 99,
+    });
+};
+
+export const hideToast = () => {
+    ToastStore.sharedInstance().dismissToast(TOAST_KEY);
+};