AutoSub vs CaptionAddr

AutoSub is a professional subtitle and video translation studio for iPhone and iPad. Six transcription modes, 50+ languages, AI-powered translation, and full offline privacy — all on-device. Built for content creators, educators, filmmakers, and video editors. Transcription • 6 transcription modes, all processed on-device • Fast: quick speech-to-text, 10 languages • Accurate: 3 model variants (Standard, Balanced, Max) supporting 50 languages with high-quality transcription • Fusion: 2 model variants — English & European (25 languages, ultra-fast) and Multilingual (30+ languages including Chinese, Japanese, Korean, Arabic, and Hindi) Translation • Apple Translate: fully offline, 17 languages • Google Translate: fully offline, 50+ languages • AI Translate: context-aware cloud translation using advanced AI models like Gemini and GPT — handles slang, idioms, and natural phrasing • AI Enhance: improve existing translations at lower cost without retranslating from scratch • Switch between AI models in Settings Subtitles & Editing • View all subtitle lines in one clean place • Edit both original transcript and translated text per segment • Copy individual subtitle lines • Subtitle sync adjustment (fine-tune timing from -5 to +5 seconds) • Dual subtitle display (show original and translation together) • Import existing SRT files Video OCR • Draw a rectangle on the video to select on-screen text • Translate signs, captions, graphics, and any visual text instantly Export • SRT file export (original or translated) • Video export with burned-in subtitles and captions, up to 4K at 24/30/60fps • Customizable subtitle styling: font, size, weight, color, position, shadow, and background Offline & Private • All transcription and offline translation run entirely on-device • Your video and audio never leave your iPhone or iPad Pro Subscription • Unlocks unlimited transcription, AI Translate, AI Enhance, Accurate and Fusion modes, offline language downloads, SRT exports, 4K video exports, and all advanced features Payment charged to your Apple ID account Auto-renews unless canceled 24 hours before renewal Manage in App Store account settings Privacy Policy https://basels.tech/privacy-policy-autosub-ai/ Terms of Use https://basels.tech/terms-of-use-autosub-ai/

CaptionAddr makes clean, frame-aligned single-word captions for videos on iPhone and iPad. Choose one clip, transcribe it on your device, refine any word, style the captions, and export a finished video ready to share. Your video, audio, transcript, caption edits, and export are not uploaded to CaptionAddr or our services. BUILT FOR SHORT-FORM VIDEO • Single-word captions snapped to your video’s frame rate • Local Whisper Small English transcription • Edit, delete, and reorder individual words • 20 caption fonts with size, position, and tinted-background controls • Clean burned-in video exports that work anywhere • No account required • No ads or cross-app tracking FREE • Import, caption, edit, and export videos up to 2 minutes • Full local transcription and caption editor • Clean exports with no required watermark CAPTIONADDR PRO • Everything in Free • Import and export videos up to 30 minutes CaptionAddr Pro Monthly renews monthly unless canceled at least 24 hours before the end of the current period. A 3-day introductory offer may be available to eligible new subscribers. The App Store shows final local pricing and eligibility before purchase. Privacy Policy: https://captionaddr.com/privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Service Terms: https://captionaddr.com/terms/