# 格式转换 vs OCR Subtitle

The clearest difference is iOS requirement: 格式转换 at 15.0 against OCR Subtitle's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 格式转换 sells 4 in-app purchases, starting at $4.99 per 7 days and OCR Subtitle sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

格式转换 ships an update every 8 days, OCR Subtitle fortnightly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 格式转换 | OCR Subtitle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ocr-subtitle/id6760887535/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 104 MB | 27 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [婷婷 王](https://appshunter.io/developer/1832765727) | [韩 明洁](https://appshunter.io/developer/399378149) |

## What reviewers say

### 格式转换

[App page](https://appshunter.io/ios/app/id6756001822)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 尊享权益 | $4.99 | per 7 days |
| 尊享权益 | $4.99 | per 7 days |
| 尊享权益 | $9.99 | per month |
| 尊享权益 | $19.99 | per 3 months |


### OCR Subtitle

[App page](https://appshunter.io/ios/app/ocr-subtitle/id6760887535)

This utility uses OCR to extract hard-coded subtitles from videos, converting them into SRT files. It offers intelligent auto-detection and AI workflows for translation, summarization, and content generation, with a free tier limited to 60 seconds.

**Highlights:** Optical Character Recognition (OCR) for subtitles, Automatic SRT file generation, Intelligent auto-detection of subtitle regions, AI subtitle translation workflow, AI Video Copilot for content analysis, Integrated video previewer with SRT overlay

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Ultra | $0.99 | per 7 days |


## Frequently asked questions

### Is 格式转换 free?

格式转换 is free to download, with in-app purchases available.

### Is OCR Subtitle free?

OCR Subtitle is free to download, with in-app purchases available.

### Do 格式转换 or OCR Subtitle have ads?

Neither 格式转换 nor OCR Subtitle shows ads.

### Which is updated more often, 格式转换 or OCR Subtitle?

格式转换 ships an update every 8 days, and OCR Subtitle fortnightly. Most recently, 格式转换 was updated on October 25, 2026 and OCR Subtitle on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*