SubMaker: AI Captions Offline

SubMaker: Auto Subtitles & SRT

Only for iPhone

Free · In‑App Purchases

iPhone

SubMaker 4.5.2 is here! Generate AI summaries, fix typos instantly with AI Polish, and transcribe 1-hour audio in 15s. Zero subscriptions. Upgrade your workflow today! Meet your new AI productivity powerhouse. SubMaker brings advanced AI models directly to your device. Whether you are a professional needing instant meeting summaries, a student recording lectures, or a video editor needing flawless SRT captions, SubMaker does it all — lightning fast and with absolute privacy. KEY FEATURES: • [NEW] AI Smart Summary: Don't have time to read long transcripts? Let our AI extract key decisions, main topics, and action items in seconds. (Free users get 3 complimentary trials!) • [NEW] Warp Speed Cloud Engine (PRO): Need it yesterday? Choose the Cloud Fast channel to transcribe a 1-hour audio in just 15 seconds with extreme accuracy. • 100% Offline & Private Mode: Use the Local NPU engine for absolute privacy. No servers, no uploads. Your files never leave your device. • Built-in Voice Recorder: Turn your iPhone into a professional dictation tool. Record meetings and convert voice-to-text instantly. • Auto-Translate to English: Select a video in any of the 90+ supported languages, and our AI will transcribe AND translate it to perfect English. • Dual Export Options: Export standard .srt files for video editing (Premiere, FCP, CapCut), or clean .txt files / Markdown summaries for your notes. • Smart History Manager: Never lose a file. All your past transcriptions and audio are securely saved locally. Say goodbye to expensive subscription-based cloud services. Unlock the full potential of your workflow with SubMaker today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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SubMaker 4.5.2: AI Services Restored & Engine Upgraded! Thank you for your valuable feedback! We have rolled out an urgent update to fix the recent AI issues and upgrade our infrastructure: • AI Features Fully Restored: Fixed an issue where "AI Smart Summary" and "Magic AI Polish" failed to generate over the past couple of days due to server updates. Everything is now back online and running smoothly! • Next-Gen AI Engine Upgrade: We’ve upgraded our underlying AI model engine. Beyond fixing the outage, AI text polishing and meeting summaries are now significantly faster, more accurate, and more reliable than ever. • Performance & Stability Tweaks: Resolved minor bugs for a buttery-smooth transcription and editing experience. We deeply apologize for any inconvenience caused over the last two days. If SubMaker 4.5.1 helps boost your productivity, please consider leaving a 5-star review! It means the world to us.

The developer, 瑞华 张, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • 瑞华 张
    Size
    • 654.6 MB
    Category
    • Utilities
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English and Simplified Chinese
    Age Rating
    9+
    In-App Purchases
    Yes
    Copyright
    • © longhorn@2026.inc