diff --git a/app.config.ts b/app.config.ts
index bef5f34..5439fb6 100644
--- a/app.config.ts
+++ b/app.config.ts
@@ -242,7 +242,7 @@ export default ({ config }: ConfigContext): ExpoConfig => ({
       },
     ],
     './plugins/withInCallAudioModule.js',
-    ['app-icon-badge', appIconBadgeConfig],
+    ['./plugins/with-app-icon-badge.js', appIconBadgeConfig],
   ],
   extra: {
     ...ClientEnv,
diff --git a/plugins/generate-app-icon-badges.js b/plugins/generate-app-icon-badges.js
new file mode 100644
index 0000000..349ad2b
--- /dev/null
+++ b/plugins/generate-app-icon-badges.js
@@ -0,0 +1,62 @@
+const { mkdir, rm, stat } = require('node:fs/promises');
+const path = require('node:path');
+
+const Jimp = require('jimp');
+const { addBadge } = require('app-icon-badge');
+
+const MAX_IMAGE_READ_ATTEMPTS = 200;
+const IMAGE_READ_RETRY_DELAY_MS = 25;
+
+const delay = (milliseconds) => new Promise((resolve) => setTimeout(resolve, milliseconds));
+
+const waitForReadableImage = async (destinationPath) => {
+  let previousSize = -1;
+
+  for (let attempt = 0; attempt < MAX_IMAGE_READ_ATTEMPTS; attempt += 1) {
+    try {
+      const file = await stat(destinationPath);
+      if (file.size > 0 && file.size === previousSize) {
+        const image = await Jimp.read(destinationPath);
+        if (image.bitmap.width > 0 && image.bitmap.height > 0) {
+          return;
+        }
+      }
+      previousSize = file.size;
+    } catch {
+      previousSize = -1;
+    }
+
+    await delay(IMAGE_READ_RETRY_DELAY_MS);
+  }
+
+  throw new Error(`Generated app icon is not a readable image: ${destinationPath}`);
+};
+
+const generateBadge = async ({ badges, destinationPath, isAdaptiveIcon, sourcePath }) => {
+  await mkdir(path.dirname(destinationPath), { recursive: true });
+  await rm(destinationPath, { force: true });
+  await addBadge({
+    badges,
+    dstPath: destinationPath,
+    icon: sourcePath,
+    isAdaptiveIcon,
+  });
+  await waitForReadableImage(destinationPath);
+};
+
+const main = async () => {
+  const payload = JSON.parse(process.argv[2] ?? '{}');
+  if (!Array.isArray(payload.tasks)) {
+    throw new Error('Expected an app icon badge task list');
+  }
+
+  for (const task of payload.tasks) {
+    await generateBadge(task);
+  }
+};
+
+main().catch((error) => {
+  const message = error instanceof Error ? (error.stack ?? error.message) : String(error);
+  process.stderr.write(`${path.basename(__filename)}: ${message}\n`);
+  process.exitCode = 1;
+});
diff --git a/plugins/with-app-icon-badge.js b/plugins/with-app-icon-badge.js
new file mode 100644
index 0000000..097fd1e
--- /dev/null
+++ b/plugins/with-app-icon-badge.js
@@ -0,0 +1,64 @@
+const { execFileSync } = require('node:child_process');
+const path = require('node:path');
+
+const OUTPUT_DIRECTORY = '.expo/app-icon-badge';
+const GENERATOR_SCRIPT = path.join(__dirname, 'generate-app-icon-badges.js');
+
+const resolveProjectPath = (projectRoot, filePath) => path.resolve(projectRoot, filePath);
+
+const createBadgeTask = ({ projectRoot, sourcePath, destinationPath, badges, isAdaptiveIcon = false }) => ({
+  badges,
+  destinationPath: resolveProjectPath(projectRoot, destinationPath),
+  isAdaptiveIcon,
+  sourcePath: resolveProjectPath(projectRoot, sourcePath),
+});
+
+const generateBadgedIcons = (projectRoot, tasks) => {
+  // The upstream config plugin starts image writes without awaiting them. A child
+  // process lets Expo block until every generated icon has been fully validated.
+  execFileSync(process.execPath, [GENERATOR_SCRIPT, JSON.stringify({ tasks })], {
+    cwd: projectRoot,
+    stdio: 'inherit',
+  });
+};
+
+const withAppIconBadge = (config, options = {}) => {
+  const { badges = [], enabled = true } = options;
+  if (!enabled) {
+    return config;
+  }
+
+  const projectRoot = config._internal?.projectRoot ?? process.cwd();
+  const tasks = [];
+  const iconSource = config.icon;
+  const iosIconSource = config.ios?.icon;
+  const adaptiveIconSource = config.android?.adaptiveIcon?.foregroundImage;
+
+  if (typeof iconSource === 'string') {
+    const destinationPath = `${OUTPUT_DIRECTORY}/icon.png`;
+    tasks.push(createBadgeTask({ projectRoot, sourcePath: iconSource, destinationPath, badges }));
+    config.icon = destinationPath;
+  }
+
+  if (typeof iosIconSource === 'string') {
+    const destinationPath = iosIconSource === iconSource ? `${OUTPUT_DIRECTORY}/icon.png` : `${OUTPUT_DIRECTORY}/ios-icon.png`;
+    if (iosIconSource !== iconSource) {
+      tasks.push(createBadgeTask({ projectRoot, sourcePath: iosIconSource, destinationPath, badges }));
+    }
+    config.ios.icon = destinationPath;
+  }
+
+  if (typeof adaptiveIconSource === 'string') {
+    const destinationPath = `${OUTPUT_DIRECTORY}/foreground-image.png`;
+    tasks.push(createBadgeTask({ projectRoot, sourcePath: adaptiveIconSource, destinationPath, badges, isAdaptiveIcon: true }));
+    config.android.adaptiveIcon.foregroundImage = destinationPath;
+  }
+
+  if (tasks.length > 0) {
+    generateBadgedIcons(projectRoot, tasks);
+  }
+
+  return config;
+};
+
+module.exports = withAppIconBadge;
diff --git a/src/lib/check-in-timer-utils.ts b/src/lib/check-in-timer-utils.ts
index 66243eb..9d4e6db 100644
--- a/src/lib/check-in-timer-utils.ts
+++ b/src/lib/check-in-timer-utils.ts
@@ -1,6 +1,14 @@
 import { CHECK_IN_TARGET_TYPE, type CheckInEligibilityContext, isCheckInTargetEligible } from '@/lib/check-in-eligibility';
 
-export type CheckInTimerStatus = 'critical' | 'ok' | 'overdue' | 'unknown' | 'warning';
+const STATUS_COLORS = {
+  critical: '#EF4444',
+  ok: '#22C55E',
+  overdue: '#F59E0B',
+  unknown: '#808080',
+  warning: '#F59E0B',
+} as const;
+
+export type CheckInTimerStatus = keyof typeof STATUS_COLORS;
 export type CheckInTimerBadgeVariant = 'critical' | 'warning';
 
 interface CheckInTimerTargetStatus {
@@ -15,14 +23,6 @@ export interface CheckInTimerBadge {
   variant: CheckInTimerBadgeVariant;
 }
 
-const STATUS_COLORS: Record<CheckInTimerStatus, string> = {
-  critical: '#EF4444',
-  ok: '#22C55E',
-  overdue: '#F59E0B',
-  unknown: '#808080',
-  warning: '#F59E0B',
-};
-
 const STATUS_SEVERITY: Record<CheckInTimerStatus, number> = {
   critical: 0,
   overdue: 1,