# Language Reactor vs Smart Dictionary

The clearest difference is in-app purchases: Smart Dictionary at none against Language Reactor's 6. Smart Dictionary also leads on iOS requirement (16.0 vs 18.0). Language Reactor's advantage is ads (none vs shown) and update cadence (every 8 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Language Reactor sells 6 in-app purchases, starting at $11.90 per month. Smart Dictionary asks for nothing beyond the download.

Language Reactor ships an update every 8 days, Smart Dictionary monthly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Language Reactor | Smart Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (873 ratings)](https://appshunter.io/ios/app/language-reactor-playlingo/id6743090216/reviews)** | — |
| Number of ratings | **873** | — |
| Positive reviews | 82.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 117 MB | 71 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Alexey Nenastyev](https://appshunter.io/developer/1395387065) | [Vu Tuan Minh](https://appshunter.io/developer/6778806873) |

## What reviewers say

### Language Reactor

[App page](https://appshunter.io/ios/app/language-reactor-playlingo/id6743090216)

Learn languages by watching YouTube videos, podcasts, and movies. This app provides seamless AI-powered translations and an AI tutor to explain slang and idioms. Practice pronunciation with real-time transcriptions and sentence-by-sentence subtitles.

**Highlights:** Learn from real YouTube videos, podcasts, and movies, AI-powered translations in 80+ languages, AI Assistant for instant explanations, Shadowing practice for pronunciation, Sentence-by-sentence synchronized subtitles, Part-of-speech highlighting for grammar

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlayLingo Pro | $11.90 | per month |
| PlayLingo PRO | $34.99 | per 6 months |
| PlayLingo Pro | $74.99 | per year |
| PlayLingo Pro | $74.99 | per year |
| PlayLingo Pro | $74.99 | per year |
| PlayLingo Pro Family | $119.99 | per year |


### Smart Dictionary

[App page](https://appshunter.io/ios/app/smart-dictionary-learn-words/id6778806871)

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

**In-app purchases:** none


## Frequently asked questions

### Is Language Reactor free?

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

### Is Smart Dictionary free?

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

### Do Language Reactor or Smart Dictionary have ads?

Smart Dictionary shows ads; Language Reactor does not.

### Which is updated more often, Language Reactor or Smart Dictionary?

Language Reactor ships an update every 8 days, and Smart Dictionary monthly. Most recently, Language Reactor was updated on November 8, 2026 and Smart Dictionary on October 31, 2026.

---

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