diff --git a/src/assets/localization/fallback.strings b/src/assets/localization/fallback.strings
index 996ba6592..bd6858368 100644
--- a/src/assets/localization/fallback.strings
+++ b/src/assets/localization/fallback.strings
@@ -2142,9 +2142,9 @@
 "TonModalHint" = "You can top-up your TON using Fragment.";
 "TonGiftReceived" = "TON Top-Up";
 "MediaSpoilerSensitive" = "18+";
-"TitleSensitiveModal" = "18+ content";
+"TitleSensitiveModal" = "{years}+ content";
 "TextSensitiveModal" = "This media may contain sensitive content suitable only for adults. Do you still want to view it?";
-"ButtonSensitiveAlways" = "Always show 18+ media";
+"ButtonSensitiveAlways" = "Always show {years}+ media";
 "ButtonSensitiveView" = "View Anyway";
 "TitleAgeVerificationModal" = "Age Verification";
 "TextAgeVerificationModal_one" = "To access such content, you must confirm that you are at least **{count}** year old as required by UK law.";
diff --git a/src/components/common/SensitiveContentConfirmModal.tsx b/src/components/common/SensitiveContentConfirmModal.tsx
index 0788b0fe5..becca1541 100644
--- a/src/components/common/SensitiveContentConfirmModal.tsx
+++ b/src/components/common/SensitiveContentConfirmModal.tsx
@@ -1,5 +1,7 @@
-import type { FC } from '../../lib/teact/teact';
 import { memo } from '../../lib/teact/teact';
+import { withGlobal } from '../../global';
+
+import { VERIFY_AGE_MIN_DEFAULT } from '../../config';
 
 import useLang from '../../hooks/useLang';
 
@@ -16,18 +18,23 @@ type OwnProps = {
   confirmHandler: NoneToVoidFunction;
 };
 
-const SensitiveContentConfirmModal: FC<OwnProps> = ({
+type StateProps = {
+  verifyAgeMin: number;
+};
+
+const SensitiveContentConfirmModal = ({
   isOpen,
   onClose,
   shouldAlwaysShow,
   onAlwaysShowChanged,
   confirmHandler,
-}) => {
+  verifyAgeMin,
+}: OwnProps & StateProps) => {
   const lang = useLang();
 
   return (
     <ConfirmDialog
-      title={lang('TitleSensitiveModal')}
+      title={lang('TitleSensitiveModal', { years: verifyAgeMin })}
       confirmLabel={lang('ButtonSensitiveView')}
       isOpen={isOpen}
       onClose={onClose}
@@ -36,7 +43,7 @@ const SensitiveContentConfirmModal: FC<OwnProps> = ({
       {lang('TextSensitiveModal')}
       <Checkbox
         className={styles.checkBox}
-        label={lang('ButtonSensitiveAlways')}
+        label={lang('ButtonSensitiveAlways', { years: verifyAgeMin })}
         checked={shouldAlwaysShow}
         onCheck={onAlwaysShowChanged}
       />
@@ -44,4 +51,11 @@ const SensitiveContentConfirmModal: FC<OwnProps> = ({
   );
 };
 
-export default memo(SensitiveContentConfirmModal);
+export default memo(withGlobal<OwnProps>((global): StateProps => {
+  const appConfig = global.appConfig;
+  const verifyAgeMin = appConfig?.verifyAgeMin;
+
+  return {
+    verifyAgeMin: verifyAgeMin || VERIFY_AGE_MIN_DEFAULT,
+  };
+})(SensitiveContentConfirmModal));
diff --git a/src/components/modals/ageVerification/AgeVerificationModal.tsx b/src/components/modals/ageVerification/AgeVerificationModal.tsx
index 0804a4659..c5b9a474b 100644
--- a/src/components/modals/ageVerification/AgeVerificationModal.tsx
+++ b/src/components/modals/ageVerification/AgeVerificationModal.tsx
@@ -4,6 +4,8 @@ import { getActions, withGlobal } from '../../../global';
 
 import type { TabState } from '../../../global/types';
 
+import { VERIFY_AGE_MIN_DEFAULT } from '../../../config';
+
 import useLang from '../../../hooks/useLang';
 import useLastCallback from '../../../hooks/useLastCallback';
 
@@ -19,18 +21,17 @@ export type OwnProps = {
 
 type StateProps = {
   verifyAgeBotUsername?: string;
+  verifyAgeMin: number;
 };
 
-const AGE_REQUIRED = 18;
-
 const AgeVerificationModal: FC<OwnProps & StateProps> = ({
   modal,
   verifyAgeBotUsername,
+  verifyAgeMin,
 }) => {
   const { closeAgeVerificationModal, openChatByUsername } = getActions();
   const lang = useLang();
   const isOpen = Boolean(modal);
-  const ageRequired = AGE_REQUIRED;
 
   const handleVerifyAge = useLastCallback(() => {
     if (verifyAgeBotUsername) {
@@ -62,10 +63,10 @@ const AgeVerificationModal: FC<OwnProps & StateProps> = ({
           {lang('TitleAgeVerificationModal')}
         </h2>
         <p className={styles.mainText}>
-          {lang('TextAgeVerificationModal', { count: ageRequired }, {
+          {lang('TextAgeVerificationModal', { count: verifyAgeMin }, {
             withMarkdown: true,
             withNodes: true,
-            pluralValue: ageRequired,
+            pluralValue: verifyAgeMin,
           })}
         </p>
         <p className={styles.description}>
@@ -86,8 +87,10 @@ const AgeVerificationModal: FC<OwnProps & StateProps> = ({
 export default memo(withGlobal((global): StateProps => {
   const appConfig = global.appConfig;
   const verifyAgeBotUsername = appConfig?.verifyAgeBotUsername;
+  const verifyAgeMin = appConfig?.verifyAgeMin || VERIFY_AGE_MIN_DEFAULT;
 
   return {
     verifyAgeBotUsername,
+    verifyAgeMin,
   };
 })(AgeVerificationModal));
diff --git a/src/components/modals/webApp/hooks/useWebAppFrame.ts b/src/components/modals/webApp/hooks/useWebAppFrame.ts
index 14fee0f50..99d85ca12 100644
--- a/src/components/modals/webApp/hooks/useWebAppFrame.ts
+++ b/src/components/modals/webApp/hooks/useWebAppFrame.ts
@@ -1,9 +1,10 @@
 import type { ElementRef } from '../../../../lib/teact/teact';
 import { useCallback, useEffect, useRef } from '../../../../lib/teact/teact';
-import { getActions } from '../../../../global';
+import { getActions, getGlobal } from '../../../../global';
 
 import type { WebApp, WebAppInboundEvent, WebAppOutboundEvent } from '../../../../types/webapp';
 
+import { VERIFY_AGE_MIN_DEFAULT } from '../../../../config';
 import { getWebAppKey } from '../../../../global/helpers';
 import { extractCurrentThemeParams } from '../../../../util/themeStyle';
 import { REM } from '../../../common/helpers/mediaDimensions';
@@ -385,8 +386,10 @@ const useWebAppFrame = (
 
       if (eventType === 'web_app_verify_age') {
         const { passed } = eventData;
+        const minAge = getGlobal().appConfig?.verifyAgeMin || VERIFY_AGE_MIN_DEFAULT;
+        const ageFromParam = eventData.age || 0;
 
-        if (passed) {
+        if (passed && ageFromParam >= minAge) {
           showNotification({
             message: {
               key: 'TitleAgeCheckSuccess',
diff --git a/src/config.ts b/src/config.ts
index ebf751318..699a80c85 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -120,6 +120,7 @@ export const STARS_SUGGESTED_POST_FUTURE_MIN = 300; // 5 minutes in seconds
 export const TON_CURRENCY_CODE = 'TON';
 export const TON_SUGGESTED_POST_COMMISSION_PERMILLE = 850;
 export const TON_USD_RATE_DEFAULT = 3;
+export const VERIFY_AGE_MIN_DEFAULT = 18;
 export const TON_TOPUP_URL_DEFAULT = 'https://fragment.com/ads/topup';
 export const TON_SUGGESTED_POST_AMOUNT_MIN = 10000000; // 0.01 TON in nanos
 export const TON_SUGGESTED_POST_AMOUNT_MAX = 10000000000000; // 10 000 TON in nanos
diff --git a/src/global/actions/api/chats.ts b/src/global/actions/api/chats.ts
index 2f97a4334..b51c8b8b6 100644
--- a/src/global/actions/api/chats.ts
+++ b/src/global/actions/api/chats.ts
@@ -1667,10 +1667,10 @@ addActionHandler('openChatByUsername', async (global, actions, payload): Promise
       const chatByUsername = await fetchChatByUsername(global, username);
       global = getGlobal();
       const user = chatByUsername && selectUser(global, chatByUsername.id);
-      if (!chatByUsername || !chat || !user?.hasMainMiniApp) return;
+      if (!chatByUsername || !user?.hasMainMiniApp) return;
       actions.requestMainWebView({
         botId: chatByUsername.id,
-        peerId: chat.id,
+        peerId: chat?.id || chatByUsername.id,
         theme,
         startParam: startApp,
         mode,
diff --git a/src/types/language.d.ts b/src/types/language.d.ts
index cf8beb086..e96de38ae 100644
--- a/src/types/language.d.ts
+++ b/src/types/language.d.ts
@@ -1601,9 +1601,7 @@ export interface LangPair {
   'TonModalHint': undefined;
   'TonGiftReceived': undefined;
   'MediaSpoilerSensitive': undefined;
-  'TitleSensitiveModal': undefined;
   'TextSensitiveModal': undefined;
-  'ButtonSensitiveAlways': undefined;
   'ButtonSensitiveView': undefined;
   'TitleAgeVerificationModal': undefined;
   'DescriptionAgeVerificationModal': undefined;
@@ -2781,6 +2779,12 @@ export interface LangPairWithVariables<V = LangVariable> {
     'number': V;
     'owner': V;
   };
+  'TitleSensitiveModal': {
+    'years': V;
+  };
+  'ButtonSensitiveAlways': {
+    'years': V;
+  };
 }
 
 export interface LangPairPlural {