# SubVi vs langTube

The clearest difference is review sentiment: langTube at 50% against SubVi's 0%. langTube also leads on rating (4.4 vs 2.5). SubVi's advantage is ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. SubVi sells 2 in-app purchases, starting at $0.99 per month and langTube sells 5 in-app purchases, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

langTube holds the better App Store score, 4.4 against 2.5. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 0% of SubVi's written reviews are positive against 50% of langTube's.

SubVi ships an update fortnightly, langTube every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SubVi | langTube |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/subvi/id1058907603/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/langtube-learn-languages/id1566812829/reviews)** |
| Number of ratings | 4 | **9** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 39 MB | 143 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tuan Duong](https://appshunter.io/developer/787874021) | [Shingo Yamauchi](https://appshunter.io/developer/783066892) |

## What reviewers say

### SubVi

[App page](https://appshunter.io/ios/app/subvi/id1058907603)

Enhance English language skills through interactive video learning. Features include subtitle translations, dictation exercises, speech recognition for pronunciation practice, and vocabulary building. Access content from your favorite YouTube channels with subtitles.

**Highlights:** Side-by-side subtitle translations, Dictation exercises for listening comprehension, Speech recognition for pronunciation practice, Vocabulary building and exercises, Video summaries for Ted and Ted-Ed, Access YouTube videos with subtitles

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription. | $0.99 | per month |
| Yearly subscription. | $10.49 | per year |


### langTube

[App page](https://appshunter.io/ios/app/langtube-learn-languages/id1566812829)

Learn languages by watching YouTube videos with dual subtitles and AI-powered summaries. Create flashcards from new vocabulary and practice speaking to improve fluency. This app makes consistent language learning engaging and effective.

**Highlights:** Dual subtitle YouTube player, AI video summaries, Vocabulary flashcards, Quick dictionary, Downloadable subtitles, Learning time notifications

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| langTube Premium | $3.49 | per month |
| プレミアム | $3.49 | per month |
| 教育版 プレミアム | $3.49 | per month |
| プレミアム機能 | $34.99 | per year |
| プレミアム | $34.99 | per year |


## Frequently asked questions

### Is SubVi free?

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

### Is langTube free?

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

### Which has better reviews, SubVi or langTube?

langTube is rated higher. SubVi averages 2.5 out of 5 from 4 ratings, while langTube averages 4.4 from 9 ratings.

### Do SubVi or langTube have ads?

langTube shows ads; SubVi does not.

### Which is updated more often, SubVi or langTube?

SubVi ships an update fortnightly, and langTube every 3 weeks. Most recently, SubVi was updated on November 2, 2026 and langTube on November 3, 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.*