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/

Add captions and subtitles to any video in one tap. CaptionAddr turns English speech into word-by-word captions timed to the frame, then exports a finished video with the captions burned in, ready for Reels, Shorts and Stories. Everything happens on your iPhone or iPad. Your video, audio, transcript, caption edits, and export are never uploaded to CaptionAddr or our services. No account, no ads, no watermark. Free for clips up to 2 minutes. Pro captions videos up to 30 minutes. WHY CREATORS USE IT • Most people watch with the sound off. Captions keep them watching. • Single-word captions snapped to your video's frame rate, the punchy style made for short-form video • Accurate on-device transcription powered by Whisper • Transcribes English speech (more languages are not supported yet) • Fix any word: edit, delete, or reorder individual captions • 20 caption fonts with size, position, and tinted-background controls • Clean burned-in exports that work in any app • Works offline once installed FREE • Caption, edit, and export videos up to 2 minutes • The full transcription and caption editor • Clean exports with no watermark CAPTIONADDR PRO • Everything in Free • Videos up to 30 minutes • Monthly or annual plan, with a free trial for eligible new subscribers CaptionAddr Pro is available as a monthly or an annual subscription and renews automatically unless canceled at least 24 hours before the end of the current period. Eligible new subscribers can start with a free trial: 7 days on the annual plan, 3 days on the monthly plan. 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/