diff --git a/gulpfile.js b/gulpfile.js
index 3619962289..9bf44231f8 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -21,6 +21,10 @@ const resourceSyncGlobs = [
 const outputFilePath = path.join(outputPath, '**')
 const rawCopySrc = (globs, options = {}) =>
   gulp.src(globs, { encoding: false, ...options })
+const removeWoff2FontSources = (cssText) =>
+  cssText.
+    replace(/@font-face\s*{[^{}]*url\(["']?web\/Inter-[^{}]*?\.woff2[^{}]*}\s*/g, '').
+    replace(/url\((["']?)[^)"']+?\.woff2(?:\?[^)"']*)?\1\)\s*format\((["'])woff2\2\),?/g, '')
 const staticCleanKeep = new Set([
   'entitlements.plist',
   'node_modules',
@@ -53,6 +57,7 @@ const css = {
   buildMobileCSS (...params) {
     return gulp.series(
       () => exec(`pnpm css:mobile-build`, {}),
+      css._removeUnsupportedIOSFonts,
     )(...params)
   },
 
@@ -60,6 +65,19 @@ const css = {
     return gulp.src(path.join(outputPath, 'css', 'style.css')).
       pipe(gulp.dest(path.join(outputPath, 'css')))
   },
+
+  _removeUnsupportedIOSFonts () {
+    const mobileCssPath = path.join(mobilePath, 'css')
+    for (const file of ['inter.css', 'style.css']) {
+      const filePath = path.join(mobileCssPath, file)
+      if (fs.existsSync(filePath)) {
+        fs.writeFileSync(
+          filePath,
+          removeWoff2FontSources(fs.readFileSync(filePath, 'utf8')))
+      }
+    }
+    return Promise.resolve()
+  },
 }
 
 const common = {
@@ -151,10 +169,9 @@ const common = {
       () => rawCopySrc([
         'node_modules/inter-ui/inter.css',
       ]).pipe(gulp.dest(path.join(outputPath, 'mobile', 'css'))),
-      () => rawCopySrc('node_modules/inter-ui/web/*.*').
-        pipe(gulp.dest(path.join(outputPath, 'mobile', 'css', 'web'))),
       () => rawCopySrc([
-        'node_modules/katex/dist/fonts/*.woff2',
+        'node_modules/katex/dist/fonts/*.woff',
+        'node_modules/katex/dist/fonts/*.ttf',
       ]).pipe(gulp.dest(path.join(outputPath, 'mobile', 'css', 'fonts'))),
     )(...params)
   },
diff --git a/package.json b/package.json
index 45f3a0a400..e100ae8f38 100644
--- a/package.json
+++ b/package.json
@@ -73,6 +73,7 @@
     "sync-ios-release": "pnpm clean && pnpm release-mobile && rm -rf ./static/mobile/**/*.map && pnpm exec cap sync ios",
     "clean": "gulp clean",
     "test": "run-s cljs:test cljs:run-test",
+    "test:ios-web-fonts": "node ./scripts/check-ios-web-fonts.mjs",
     "test:node-adapter": "pnpm --dir deps/db-sync run test:node-adapter",
     "report": "run-s cljs:report",
     "style:lint": "stylelint \"src/**/*.css\"",
@@ -227,4 +228,4 @@
       "keytar"
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/scripts/check-ios-web-fonts.mjs b/scripts/check-ios-web-fonts.mjs
new file mode 100644
index 0000000000..a27b3ffa0c
--- /dev/null
+++ b/scripts/check-ios-web-fonts.mjs
@@ -0,0 +1,52 @@
+import fs from 'node:fs'
+import path from 'node:path'
+
+const repoRoot = path.resolve(import.meta.dirname, '..')
+const assetRoots = [
+  path.join(repoRoot, 'static', 'mobile'),
+  path.join(repoRoot, 'ios', 'App', 'App', 'public'),
+]
+
+const existingAssetRoots = assetRoots.filter((root) => fs.existsSync(root))
+
+if (existingAssetRoots.length === 0) {
+  throw new Error('No iOS web assets found. Run pnpm release-mobile or pnpm sync-ios-release first.')
+}
+
+const walk = (dir) => {
+  const entries = fs.readdirSync(dir, { withFileTypes: true })
+  return entries.flatMap((entry) => {
+    const fullPath = path.join(dir, entry.name)
+    return entry.isDirectory() ? walk(fullPath) : fullPath
+  })
+}
+
+const relativePath = (filePath) => path.relative(repoRoot, filePath)
+const files = existingAssetRoots.flatMap(walk)
+const woff2Files = files
+  .filter((filePath) => filePath.endsWith('.woff2'))
+  .map(relativePath)
+  .sort()
+const cssWoff2References = files
+  .filter((filePath) => filePath.endsWith('.css'))
+  .flatMap((filePath) => {
+    const css = fs.readFileSync(filePath, 'utf8')
+    return css.includes('.woff2') ? [relativePath(filePath)] : []
+  })
+  .sort()
+
+if (woff2Files.length > 0) {
+  console.error('iOS web assets must not include .woff2 font files:')
+  for (const filePath of woff2Files) {
+    console.error(`- ${filePath}`)
+  }
+  process.exit(1)
+}
+
+if (cssWoff2References.length > 0) {
+  console.error('iOS web CSS must not reference .woff2 font files:')
+  for (const filePath of cssWoff2References) {
+    console.error(`- ${filePath}`)
+  }
+  process.exit(1)
+}