# SubTrans vs 小窗弹幕

The clearest difference is review sentiment: 小窗弹幕 at 100% against SubTrans's 50%. 小窗弹幕 also leads on iOS requirement (15.0 vs 17.6). SubTrans's advantage is update cadence (weekly vs every 5 weeks). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SubTrans sells 3 one-off in-app purchases and 小窗弹幕 sells 6 in-app purchases, starting at $1.99 per year. Whichever you choose, the download price is not the number that matters.

SubTrans ships an update weekly, 小窗弹幕 every 5 weeks. The most recent releases landed on October 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SubTrans | 小窗弹幕 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/subtrans/id6766588920/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 475 MB | 16 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [夏骏 倪](https://appshunter.io/developer/1892993247) | [璐洋 谭](https://appshunter.io/developer/1791355405) |

## What reviewers say

### SubTrans

[App page](https://appshunter.io/ios/app/subtrans/id6766588920)

Create, translate, and edit video subtitles with local models and OCR. This app supports embedding subtitles directly into videos or exporting them as SRT files, offering a comprehensive workflow for video creators and language learners.

**Highlights:** Local speech recognition and translation, OCR subtitle detection, Subtitle editing and timing adjustment, Export video with embedded subtitles, Export SRT subtitle files, Comprehensive subtitle workflow

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久 | Free | one-time |
| 月卡 | $0.99 | one-time |
| 年卡 | $0.99 | one-time |


### 小窗弹幕

[App page](https://appshunter.io/ios/app/id6777959453)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $1.99 | per year |
| Tip 3 CNY | $0.99 | one-time |
| Tip 12 CNY | $1.99 | one-time |
| 赞助 18 元 | $2.99 | one-time |
| Lifetime | $3.99 | one-time |
| 赞助 28 元 | $3.99 | one-time |


## Frequently asked questions

### Is SubTrans free?

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

### Is 小窗弹幕 free?

小窗弹幕 is free to download, with in-app purchases available.

### Do SubTrans or 小窗弹幕 have ads?

Neither SubTrans nor 小窗弹幕 shows ads.

### Which is updated more often, SubTrans or 小窗弹幕?

SubTrans ships an update weekly, and 小窗弹幕 every 5 weeks. Most recently, SubTrans was updated on October 23, 2026 and 小窗弹幕 on September 28, 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.*