# OneOpen vs CaptionStudio

The clearest difference is in-app purchases: OneOpen at none against CaptionStudio's 1. OneOpen also leads on iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. CaptionStudio sells 1 one-off in-app purchase. OneOpen asks for nothing beyond the download.

## The numbers

| Metric | OneOpen | CaptionStudio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/captionstudio-local-captions/id6796257283/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | — | Freemium |
| Size | 21 MB | 10 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) | [夏骏 倪](https://appshunter.io/developer/1892993247) |

## What reviewers say

### OneOpen

[App page](https://appshunter.io/ios/app/oneopen-file-viewer/id6792251542)

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

**In-app purchases:** none


### CaptionStudio

[App page](https://appshunter.io/ios/app/captionstudio-local-captions/id6796257283)

This app transforms audio and video into editable, translatable, and exportable timed captions. It also offers features for meeting notes, live floating captions, and conversation translation, all processed and stored locally on your device for enhanced privacy.

**Highlights:** Audio and video caption generation, Caption translation and editing, Meeting note transcription and organization, Live floating captions for apps, On-device conversation translation, Multiple export formats (SRT, WebVTT, TXT, MP4)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久会员 | $1.99 | one-time |


## Frequently asked questions

### Is OneOpen free?

OneOpen is free to download, with no in-app purchases.

### Is CaptionStudio free?

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

### Do OneOpen or CaptionStudio have ads?

Neither OneOpen nor CaptionStudio shows ads.

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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.*