diff --git a/__tests__/download.test.ts b/__tests__/download.test.ts
new file mode 100644
index 0000000..d77c7a3
--- /dev/null
+++ b/__tests__/download.test.ts
@@ -0,0 +1,155 @@
+import { afterEach, describe, expect, test } from "bun:test";
+import * as os from "node:os";
+import * as path from "node:path";
+import * as fs from "fs-extra";
+import { create as createTar } from "tar";
+import { extractAppFromLocalArchiveAsync } from "../src/download";
+
+const tempRoots: string[] = [];
+
+afterEach(async () => {
+	for (const root of tempRoots.splice(0)) {
+		await fs.remove(root).catch(() => {});
+	}
+});
+
+async function trackTempDir(): Promise<string> {
+	const root = await fs.mkdtemp(path.join(os.tmpdir(), "eggl-download-test-"));
+	tempRoots.push(root);
+	return root;
+}
+
+async function makeTarGzFromDir(
+	sourceDir: string,
+	tarPath: string,
+): Promise<void> {
+	await fs.ensureDir(path.dirname(tarPath));
+	const base = path.basename(sourceDir);
+	const parent = path.dirname(sourceDir);
+	await createTar({ cwd: parent, file: tarPath, gzip: true }, [base]);
+}
+
+describe("extractAppFromLocalArchiveAsync", () => {
+	test("resolves iOS .app bundle directory inside tarball", async () => {
+		const root = await trackTempDir();
+		const bundleDir = path.join(root, "build", "Example.app");
+		await fs.ensureDir(path.join(bundleDir, "Payload"));
+		await fs.writeFile(path.join(bundleDir, "Info.plist"), "<plist/>");
+
+		const tarPath = path.join(root, "archive.tar.gz");
+		await makeTarGzFromDir(path.join(root, "build"), tarPath);
+
+		const resolved = await extractAppFromLocalArchiveAsync(tarPath, "ios");
+
+		expect(resolved.endsWith(".app")).toBe(true);
+		expect((await fs.stat(resolved)).isDirectory()).toBe(true);
+		expect(path.basename(resolved)).toBe("Example.app");
+	});
+
+	test("finds nested iOS .app bundle (not only at archive root)", async () => {
+		const root = await trackTempDir();
+		const bundleDir = path.join(root, "out", "Release", "MyApp.app");
+		await fs.ensureDir(bundleDir);
+		await fs.writeFile(path.join(bundleDir, "PkgInfo"), "APPL");
+
+		const tarPath = path.join(root, "nested.tar.gz");
+		await makeTarGzFromDir(path.join(root, "out"), tarPath);
+
+		const resolved = await extractAppFromLocalArchiveAsync(tarPath, "ios");
+
+		expect(resolved).toContain("MyApp.app");
+		expect((await fs.stat(resolved)).isDirectory()).toBe(true);
+	});
+
+	test("resolves Android .apk file inside tarball", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "staging");
+		await fs.ensureDir(staging);
+		await fs.writeFile(path.join(staging, "app-release.apk"), "fake-apk");
+
+		const tarPath = path.join(root, "android.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		const resolved = await extractAppFromLocalArchiveAsync(tarPath, "android");
+
+		expect(resolved.endsWith(".apk")).toBe(true);
+		expect((await fs.stat(resolved)).isFile()).toBe(true);
+	});
+
+	test("throws when iOS tarball has no .app bundle", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "empty-ios");
+		await fs.ensureDir(staging);
+		await fs.writeFile(path.join(staging, "readme.txt"), "no app");
+
+		const tarPath = path.join(root, "empty.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		await expect(
+			extractAppFromLocalArchiveAsync(tarPath, "ios"),
+		).rejects.toThrow("Did not find any installable apps inside tarball.");
+	});
+
+	test("throws when Android tarball has no .apk file", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "empty-android");
+		await fs.ensureDir(staging);
+		await fs.writeFile(path.join(staging, "readme.txt"), "no apk");
+
+		const tarPath = path.join(root, "no-apk.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		await expect(
+			extractAppFromLocalArchiveAsync(tarPath, "android"),
+		).rejects.toThrow("Did not find any installable apps inside tarball.");
+	});
+
+	test("prefers shallowest .app bundle when multiple exist", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "multi");
+		await fs.ensureDir(path.join(staging, "Shallow.app"));
+		await fs.writeFile(path.join(staging, "Shallow.app", "Info.plist"), "");
+		await fs.ensureDir(path.join(staging, "nested", "Deep.app"));
+		await fs.writeFile(
+			path.join(staging, "nested", "Deep.app", "Info.plist"),
+			"",
+		);
+
+		const tarPath = path.join(root, "multi.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		const resolved = await extractAppFromLocalArchiveAsync(tarPath, "ios");
+
+		expect(path.basename(resolved)).toBe("Shallow.app");
+	});
+
+	test("with multiple .app at same depth picks lexicographically first", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "ties");
+		await fs.ensureDir(path.join(staging, "Zebra.app"));
+		await fs.ensureDir(path.join(staging, "Apple.app"));
+		await fs.writeFile(path.join(staging, "Zebra.app", "Info.plist"), "");
+		await fs.writeFile(path.join(staging, "Apple.app", "Info.plist"), "");
+
+		const tarPath = path.join(root, "tie.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		const resolved = await extractAppFromLocalArchiveAsync(tarPath, "ios");
+
+		expect(path.basename(resolved)).toBe("Apple.app");
+	});
+
+	test("ignores regular file named *.app (iOS bundle must be a directory)", async () => {
+		const root = await trackTempDir();
+		const staging = path.join(root, "bad");
+		await fs.ensureDir(staging);
+		await fs.writeFile(path.join(staging, "Fake.app"), "not a bundle");
+
+		const tarPath = path.join(root, "fake-app-file.tar.gz");
+		await makeTarGzFromDir(staging, tarPath);
+
+		await expect(
+			extractAppFromLocalArchiveAsync(tarPath, "ios"),
+		).rejects.toThrow("Did not find any installable apps inside tarball.");
+	});
+});
diff --git a/src/download.ts b/src/download.ts
index 6d7263e..bf3b1c3 100644
--- a/src/download.ts
+++ b/src/download.ts
@@ -171,7 +171,51 @@ export async function extractAppFromLocalArchiveAsync(
 }
 
 /**
- * Recursively finds files with a specific extension
+ * Recursively finds iOS application bundles (directories named *.app).
+ * Does not descend into a matched bundle so nested content is ignored.
+ *
+ * @param {string} dir - Directory to search in
+ * @returns {Promise<string[]>} - Relative paths, shallowest bundles first, then lexicographic
+ */
+async function findIosAppBundleRelativePaths(dir: string): Promise<string[]> {
+	const results: string[] = [];
+
+	async function walk(currentDir: string, relativePath = ""): Promise<void> {
+		const entries = await fs.readdir(currentDir, { withFileTypes: true });
+
+		for (const entry of entries) {
+			if (!entry.isDirectory()) {
+				continue;
+			}
+
+			const fullPath = path.join(currentDir, entry.name);
+			const relPath = path.join(relativePath, entry.name);
+
+			if (entry.name.endsWith(".app")) {
+				results.push(relPath);
+				continue;
+			}
+
+			await walk(fullPath, relPath);
+		}
+	}
+
+	await walk(dir);
+
+	results.sort((a, b) => {
+		const depthA = a.split(path.sep).length;
+		const depthB = b.split(path.sep).length;
+		if (depthA !== depthB) {
+			return depthA - depthB;
+		}
+		return a.localeCompare(b);
+	});
+
+	return results;
+}
+
+/**
+ * Recursively finds files with a specific extension (regular files only)
  *
  * @param {string} dir - Directory to search in
  * @param {string} extension - File extension to search for
@@ -209,16 +253,22 @@ async function getAppPathAsync(
 	outputDir: string,
 	applicationExtension: string,
 ): Promise<string> {
-	logger.startSpinner(`Locating ${applicationExtension} file`);
-	const appFilePaths = await findFilesByExtension(
-		outputDir,
-		applicationExtension,
+	const isIosAppBundle = applicationExtension === "app";
+	logger.startSpinner(
+		isIosAppBundle
+			? "Locating iOS .app bundle"
+			: `Locating ${applicationExtension} file`,
 	);
+	const appFilePaths = isIosAppBundle
+		? await findIosAppBundleRelativePaths(outputDir)
+		: await findFilesByExtension(outputDir, applicationExtension);
 	if (appFilePaths.length === 0) {
 		logger.failSpinner("Search failed");
 		throw Error("Did not find any installable apps inside tarball.");
 	}
-	logger.succeedSpinner(`Found ${applicationExtension} file`);
+	logger.succeedSpinner(
+		isIosAppBundle ? "Found iOS .app bundle" : `Found ${applicationExtension} file`,
+	);
 	return path.join(outputDir, appFilePaths[0]);
 }