# Trancy vs Osmosis Box

The clearest difference is update cadence: Osmosis Box at weekly against Trancy's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trancy sells 4 in-app purchases, starting at $3.99 per month and Osmosis Box sells 2 in-app purchases, starting at $1.69 per month. Whichever you choose, the download price is not the number that matters.

Trancy ships an update monthly, Osmosis Box weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Trancy | Osmosis Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (225 ratings)](https://appshunter.io/ios/app/trancy-ai-language-learning/id6475022743/reviews)** | — |
| Number of ratings | **225** | — |
| Positive reviews | 67.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 240 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [L2D LIMITED](https://appshunter.io/developer/1723116510) | [Guangde Pili Pala Technology Co., Ltd.](https://appshunter.io/developer/1764862893) |

## What reviewers say

### Trancy

[App page](https://appshunter.io/ios/app/trancy-ai-language-learning/id6475022743)

Transform your favorite YouTube videos, podcasts, and web articles into interactive language lessons. This app offers AI-powered bilingual subtitles, instant translation, and speaking practice with pronunciation feedback to make learning engaging and effective.

**Highlights:** AI bilingual subtitles, Real-time translation, Speaking practice with AI feedback, Vocabulary saving and context, Immersive listening drills, Sync YouTube subscriptions

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trancy monthly | $3.99 | per month |
| Trancy Premium + AI 月订 | $8.99 | per month |
| Trancy Premium - Yearly | $29.99 | per year |
| Trancy Premium + AI 年定 | $73.99 | per year |


### Osmosis Box

[App page](https://appshunter.io/ios/app/osmosis-box/id6739975159)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly membership | $1.69 | per month |
| Yearly membership | $12.99 | per year |


## Frequently asked questions

### Is Trancy free?

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

### Is Osmosis Box free?

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

### Do Trancy or Osmosis Box have ads?

Neither Trancy nor Osmosis Box shows ads.

### Which is updated more often, Trancy or Osmosis Box?

Trancy ships an update monthly, and Osmosis Box weekly. Most recently, Trancy was updated on October 27, 2026 and Osmosis Box on October 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.*