# OCR Subtitle Ultra — Any Subtitle, Readable.

> Video subtitle extraction and AI-powered content analysis tool. (iPhone/iPad app by 韩 明洁.)

- Source: https://appshunter.io/ios/app/ocr-subtitle-ultra/id6737728257 (this page in markdown: same URL + `.md`)
- Developer: [韩 明洁](https://appshunter.io/developer/399378149)
- Category: Utilities, Productivity
- Price: $9.99
- Age rating: 4+
- Requires: iOS 17.6 · 26 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2025-02-20
- Data updated: 2026-08-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ocr-subtitle-ultra/id6737728257/reviews.md

## What is OCR Subtitle Ultra?

OCR Subtitle Ultra is a practical utility designed to extract hard-coded subtitles from videos using Optical Character Recognition (OCR). It automatically converts on-screen text into standard SRT files, saving hours of manual transcription for editors, educators, and content creators.

Driven by an optimized layout-parsing architecture and a high-performance multimedia backend, version 3.0 marks a massive leap forward—introducing intelligent auto-detection workflows while retaining full manual precision controls for professional creators.

(Note: Recognition accuracy is subject to video resolution, font styles, and background contrast.)

【What is New in v3.0: Automation & AI Workflows】
Intelligent Auto-Detection with Manual Controls
Version 3.0 features a smarter layout engine that automatically detects the subtitle region (ROI), locks text bounding boxes, and auto-identifies the video's spoken language upon import for a zero-configuration experience. Professional control is never compromised: users can seamlessly switch to manual mode to custom-adjust the scanning area or specify languages for highly complex, non-standard video layouts.

Seamless AI Subtitle Translation Workflow
Unlock global localization instantly. The app intelligently packages your extracted SRT text with tailored translation prompts. On iOS, leverage the native Share Sheet to route text directly to your preferred AI assistants (such as ChatGPT or Claude). On macOS, the app neatly formats text into your system clipboard for a frictionless paste-and-go experience into any desktop AI or web assistant.

AI Video Copilot (Instant Video Q&A)
Productivity shouldn't end with an SRT file. With our built-in high-frequency AI prompt templates, you can instantly bundle your transcript and send it to an AI to perform advanced tasks:

Fact-Checking: Verify claims or detect clickbait within the video content.

Instant Summary: Condense long-duration footage into structured bullet points.

Copywriting & Titles: Generate high-CTR titles, video descriptions, and marketing hooks.

Thumbnail Inspiration: Brainstorm detailed visual prompts to design compelling video cover art.

Integrated Standard Format Video Previewer
Never worry about how to play or mount your newly generated SRT files. Version 3.0 features an integrated video preview player. It seamlessly supports system-compatible standard formats (such as MP4, MOV, M4V), allowing you to play your media with the newly created subtitle track overlaid right inside the app for an instant preview experience.

【Core Performance & Privacy Security】
Strict "Zero-Storage, Zero-Copy" Architecture: Your data security is our highest priority. Operating strictly within the Apple Sandbox framework, the application processes video files entirely on-the-fly. It never duplicates, caches, or permanently stores your video files in local containers or remote servers.

Temporary Access Lifecycle Management: The application securely requests transient, read-only media access via system-secured tokens (Security-Scoped URLs) in memory. Once the security token expires, the resource is automatically revoked. Your media remains entirely under your own control.

Robust Codec Support: Built on a rigorously compliant multimedia backend, the app delivers ultra-stable decoding for modern codecs including H.265 (HEVC), AV1, VP9, and more. Advanced memory management prevents crashes, ensuring flawless processing for 4K Ultra-HD footage and long films.

Universal Workflow Integration: Exported standard SRT files are fully editable and 100% compatible with YouTube, VLC, Final Cut Pro, Adobe Premiere, DaVinci Resolve, and major editing platforms.

【Support & Feedback】
I am deeply committed to continuously refining OCR Subtitle Ultra based on real-world production environments and user feedback. If you encounter specific video encoding edge cases or have feature suggestions, please contact me directly:

Email: hanmingjie@gmail.com
Web: www.hanmingjie.com

## Key features

- Extract subtitles from video
- Automatic SRT file generation
- Intelligent auto-detection
- Manual precision controls
- AI subtitle translation workflow
- AI Video Copilot for Q&A
- Integrated video previewer

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/ocr-subtitle-ultra/id6737728257/reviews.md

### 4/5 — Fantastic App with One Suggestion

*2026-07-19*

I'm very satisfied with both the OCR accuracy and processing speed. I've tried several OCR applications, and this one stands out for its excellent recognition accuracy and fast performance, which has significantly improved my workflow.

One feature I would love to see is a job queue. Currently, the app can process only one video at a time. It would be much more convenient if multiple videos could be added to a job queue and processed automatically one after another. It would also be great if each queued job could use its own template, allowing videos that require different templates to be queued together and processed automatically in sequence.

With this feature, I believe the app would be close to perfect. I look forward to seeing this app continue to improve with future updates. Thank you for creating such a great application!

### 3/5 — “性能不错，但双行字幕存在致命问题”  "Good performance, but critical issue with two-line subtitles"

*2025-08-02*

性能不错，但在双行字幕中无法指定提取哪一行。它只能识别其中一行，这是一个致命的问题。请允许用户手动指定要提取的字幕范围，而不是仅依赖自动检测。


The performance is good, but it doesn't allow you to specify which line to extract in two-line subtitles. It only recognizes one of the two lines, which is a critical flaw. Please allow users to manually specify the subtitle range instead of relying solely on automatic detection.

**Developer response:** 非常感谢您的深度反馈！您提到的手动指定字幕范围功能确实非常关键。正如您所期待的，我们在 1.9 版本中升级了多行字幕的处理逻辑，现在您可以更加精准地控制提取范围，不再受限于自动检测。

诚邀您观看我们的演示视频了解新功能的操作方式：https://www.youtube.com/watch?v=l9z-OVaNOzs。希望这次更新能显著提升您的效率，期待您的再次评价！

Great news! Based on your suggestion, we’ve upgraded our multi-line subtitle scanning in v1.9. You can now manually choose the target line for extraction.

We truly appreciate your professional feedback, which has helped us continue to improve. In version 1.9, we have introduced a more flexible recognition mechanism that solves the issue of being unable to specify a specific line.

Check out the demo here: https://www.youtube.com/watch?v=l9z-OVaNOzs

Thank you for using our app on Mac Catalyst! If this update resolves your concern, we would be grateful if you could consider updating your rating.

## Frequently asked questions about OCR Subtitle Ultra

### What is OCR Subtitle Ultra?

OCR Subtitle Ultra is a utility app that uses Optical Character Recognition (OCR) to extract hard-coded subtitles directly from videos. It converts this on-screen text into standard SRT files, streamlining the transcription process for various video content creators.

### How accurate is OCR Subtitle Ultra?

Recognition accuracy depends on factors like video resolution, font styles, and background contrast. The app is designed with an optimized layout-parsing architecture to maximize precision, but user adjustments are available for complex video layouts.

### Does OCR Subtitle Ultra support AI translation?

Yes, it features a seamless AI subtitle translation workflow. Extracted SRT text can be routed to AI assistants like ChatGPT or Claude on iOS, or directly pasted into desktop AI tools on macOS for instant localization.

### What are the AI Video Copilot features?

The AI Video Copilot allows you to use your video transcript for advanced tasks. This includes fact-checking, generating instant summaries, creating copywriting and titles, and brainstorming thumbnail inspiration, all through pre-defined AI prompt templates.

### Does OCR Subtitle Ultra have ads?

No, OCR Subtitle Ultra is ad-free. The application operates on a strict 'zero-storage, zero-copy' architecture, processing video files entirely on-the-fly within the Apple Sandbox framework.

### What devices is OCR Subtitle Ultra available on?

OCR Subtitle Ultra is available on macOS, iPhone, iPad, and iPod. It is designed to work across various Apple devices, supporting standard video formats like MP4, MOV, and M4V.

### How much does OCR Subtitle Ultra cost?

OCR Subtitle Ultra is a paid application priced at $9.99. There are no in-app purchases or subscription fees associated with its use.

### When was OCR Subtitle Ultra last updated?

The latest version, 3.0, was last updated on June 16, 2026. This update introduced significant advancements in automation, AI workflows, and core performance enhancements.

## Version history (last 5 releases)

### 3.1 — 2026-07-28

1. New Whisper Voice Recognition Mode
 Integrated the Whisper speech-to-text framework. When videos lack on-screen text or have highly cluttered backgrounds, users can select this mode to directly transcribe audio tracks into time-coded standard SRT files. Supports automatic audio language detection.
2. Refactored Functional Modes (Four Independent Options)
 To better accommodate varied post-production workflows, core features are now structured into four distinct, mutually exclusive modes:
 Manual ROI Mode: Users manually define the Region of Interest (ROI) for targeted visual OCR scanning.
 Auto ROI Mode: The system automatically detects and locks the subtitle area for visual OCR scanning.
 Voice Recognition Mode: A new mode that bypasses visual scanning entirely, performing voice-to-text transcription directly on the audio stream.
 Playback Only Mode: A new mode that invokes neither OCR nor voice recognition engines. It functions strictly as a standard video player, allowing users to preview media or overlay existing subtitle tracks.
3. Core Workflow Integration
 Subtitles generated via either OCR scanning or the new voice recognition mode integrate seamlessly with the pre-existing Seamless AI Translation Workflow and AI Video Copilot prompt templates.
4. Sandbox Privacy & Performance Optimization
 Strictly operates within the Apple Sandbox framework. Both audio and video streams are processed on-the-fly inside active memory with zero local copying, caching, or remote server exposure. Optimized dynamic memory release logic to improve stability when handling long-duration footage.

### 3.0 — 2026-06-16

【Major Upgrade: Moving Towards the Era of AI-Powered Automation】
Intelligent Auto-Detection Workflow (With Manual Precision)
Upon import, the system now automatically detects the subtitle region (ROI), locks text boxes, and identifies languages for an instant, zero-configuration scanning experience. Professional control is never compromised: switch to manual mode at any time to custom-adjust scanning areas for complex layouts.

Seamless AI Subtitle Translation Workflow

Smartly bundles extracted subtitles with tailored translation prompts. Use the iOS Share Sheet to send text straight to preferred AI assistants (such as ChatGPT or Claude), or leverage the automatic clipboard formatting on macOS for a frictionless paste-and-go multi-language workflow.

AI Video Copilot (Instant Video Q&A)

Productivity does not end with SRT generation! Utilize built-in high-frequency prompt templates to instantly bundle transcripts with your queries, letting AI handle advanced tasks like Fact-Checking, Instant Summaries, Copywriting/Titles, and Thumbnail Visual Inspiration.

Built-in Standard Format Video Playback

Solves the pain point of figuring out how to view generated SRT files. The newly integrated preview player natively supports standard compatible formats (MP4, MOV, M4V), overlaying your subtitle track right inside the app. (Note: Advanced formats like AV1 are fully supported for OCR scanning and extraction, but localized video playback may be restricted by system framework limitations.)

【Hardcore Privacy & Sandbox Security】

Strict Zero-Storage & Zero-Copy: Operating fully within the Apple Sandbox framework, the app processes video files entirely on-the-fly in memory. It never stores, duplicates, or caches your video files.

Temporary Access Lifecycle Management: The application requests transient access tokens via system-secured URLs. Once the security session expires, file resources are automatically and completely released.

【Core Algorithm & Performance Enhancements】
5. Refined Auto-Detection Optimization: Addressed edge cases from previous versions where non-standard aspect ratios or highly complex backgrounds caused template extraction variances.
6. Re-Engineered 4K & Long Video Stability: Advanced memory management optimizations systematically prevent crashes and memory leaks, ensuring seamless processing for long-duration and Ultra-HD footage.

### 2.9 — 2026-06-08

Seamless AI Subtitle Translation Workflow
Unlock 60+ Languages Instantly: Optimized prompts tailored for natural, context-aware translations. Use the iOS Share Sheet to send your text straight to AI apps, or leverage the smart clipboard on macOS for a frictionless desktop experience.

AI Video Copilot (Instant Video Q&A)

Your workflow shouldn't end with just extracting an SRT file. Version 2.9 introduces preset "AI Insight Prompts" that perfectly bundle your subtitles with actionable questions. With a single tap, send them to your favorite AI to handle heavy lifting like 【Fact-Checking】, 【Instant Summary】, 【Title Generation】, and 【Thumbnail Inspiration】.

Built-in Standard Format Video Playback

Preview Instantly: Many users struggle with how to open and play their newly translated SRT subtitles. Version 2.9 adds an integrated player supporting standard system-compatible formats (such as MP4, MOV, M4V). You can now play your video and overlay the extracted/translated subtitles directly inside the app—delivering a smooth "Extract, Translate, and Preview" experience.

【Privacy & Sandbox Security】

Zero Storage, Zero Copies: We deeply respect your data privacy. Strictly operating within the Apple Sandbox framework, the app never stores, duplicates, or caches your video files.

Temporary Access Lifecycle Management: The app requests only transient read-only permissions via system-secured tokens (Security-Scoped URLs) in memory. Once this temporary security token expires, the file is securely released. If you need to access it again, the app will safely prompt you to reconnect/re-import the file. Your media remains 100% under your control.

【Algorithm Fixes & Performance Enhancements】
4. Refined Auto-Detection Optimization (Bug Fixes)

We addressed edge cases from the previous version where certain videos with unusual aspect ratios or complex backgrounds caused hiccups in our automatic template extraction (subtitle positioning and language auto-detection). The "Zero-Configuration" pipeline is now rock-solid.

### 2.8 — 2026-05-25

In this major milestone update, we are introducing a revolutionary feature that completely redefines and simplifies your subtitle extraction workflow. Say goodbye to manual bounding boxes and guessing video languages—the app now handles everything intelligently for you.

【Key New Features】

Auto Subtitle Detection: Driven by an advanced layout-parsing algorithm, the app now automatically locates and locks onto the exact position of subtitles in your video.

Smart Language Auto-Detection: No more manual language selection! The app instantly analyzes and detects the subtitle language with industry-leading accuracy for the vast majority of standard videos.

Zero-Configuration, Peak Efficiency: We have completely removed the tedious pre-scanning setup. Just import your video and let the automation work its magic. Your productivity is about to soar.

【Seamless Import Workflows for iOS】

Context Menu: Long-press any video file inside the Files app, select "Open With..." and choose OCR Subtitle.

Drag & Drop: Simply drag a video file from the Files app and drop it right onto the "+" target area within OCR Subtitle.

In-App Picker: Tap the "+" button inside the app to flexibly choose videos from either your Files directory or your Photos library.

【Seamless Import Workflows for macOS】

Finder Open With: Right-click a video file in Finder, navigate to "Open With..." and select OCR Subtitle.

Instant Drag & Drop: Drag a video file straight from Finder and drop it onto the "+" icon in the app window to kick off scanning instantly.

Native Finder Selector: Click the "+" button inside the app to quickly browse and select your target files via the standard Finder sheet.

### 2.7 — 2026-05-14

Special thanks to **at9**39@gmail.com** for the valuable feedback!
New "Skip Intro & Skip Outro" Template Settings: Designed specifically for extracting subtitles from series. Automatically skip intros and outros to save time during batch processing.
Enhanced Template Creation UI: Added "Close," "Scan Video," and "Advanced Template Settings" options to the creation interface.
Streamlined Workflow: The default action is now set to "Scan Video," allowing you to start the recognition process instantly after setup.

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All apps by 韩 明洁: https://appshunter.io/developer/399378149

## Related topics

[ocr subtitle ultra](https://appshunter.io/ios/topics/ocr-subtitle-ultra) · [ocr subtitle](https://appshunter.io/ios/topics/ocr-subtitle)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*