Whisper Caption vs SubTitler

Add beautiful captions to your videos with the power of Whisper AI — completely on-device. No uploads, no subscriptions, no privacy concerns. POWERED BY WHISPER AI The new AI Whisper model runs directly on your iPhone, delivering accurate speech-to-text in over 90 languages. Works offline, works fast. KARAOKE-STYLE HIGHLIGHTING Watch words light up as they're spoken with smooth, word-by-word highlighting. Perfect for music videos, tutorials, or social content. SMART ENHANCEMENT Fix transcription errors automatically with Apple Intelligence. Proper punctuation, capitalization, and grammar — all on-device. 7 BEAUTIFUL CAPTION STYLES • Light - Black text on white background • Dark - White text on dark background • Gradient - Eye-catching gradient background • Pop - Bold uppercase with red highlight box • Bold - Uppercase with thick drop shadow • Shadow - Clean text with soft drop shadow • Outline - White text with crisp black outline AUTO EMOJI GENERATION Let AI add relevant emojis to your captions automatically for extra engagement. PRIVACY FIRST All processing happens on your device. Your videos never leave your phone. No cloud uploads required. EXPORT & SHARE Export your captioned videos and share directly to TikTok, Instagram, YouTube, or any platform. Perfect for content creators, educators, accessibility, language learners, and anyone who wants professional captions without the hassle.

SubTitler is an automatic caption app for adding burned-in subtitles and captions to one selected video. Choose a video and SubTitler transcribes the audio on iPhone, places readable captions on the video, and saves a new MP4 while leaving the original untouched. Speech language detection is automatic by default. If detection is not a good fit, choose a language from the in-app searchable list before transcription. Useful for - Adding captions before posting to social apps - Making spoken videos easier to watch - Creating captioned videos without typing every line by hand Main features - Choose one video and create captions automatically - Burn captions into the exported video - Preserve the video's orientation and aspect ratio - Save the generated video to Photos - Run transcription and export on device - Use automatic speech language detection or choose a language - Correct frequently misheard names, brands, and specialist terms All features are available for free. There is no paywall, subscription, or in-app purchase flow. SubTitler does not include multi-video joining, automatic cutting, BGM, or manual timeline editing. Terms of Use: https://kyodo.mo-gmo.com/en/terms/ Privacy Policy: https://kyodo.mo-gmo.com/en/privacy-policy/