# Language Reactor vs Idioma Flash

The clearest difference is in-app purchases: Idioma Flash at none against Language Reactor's 13. Idioma Flash also leads on update cadence (weekly vs every 3 weeks) and rating (5.0 vs 4.8). Language Reactor's advantage is ads (none vs shown) and ratings volume (3.7K vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Language Reactor sells 12 in-app purchases, starting at $3.49 per month. Idioma Flash asks for nothing beyond the download.

Idioma Flash holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Language Reactor has 3.7K ratings behind it against 2, so its average is the more settled of the two.

Language Reactor ships an update every 3 weeks, Idioma Flash weekly. The most recent releases landed on October 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Language Reactor | Idioma Flash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3.7K ratings)](https://appshunter.io/ios/app/language-reactor-sounter/id1505600864/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/idioma-flash/id6758115301/reviews)** |
| Number of ratings | **3.7K** | 2 |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 120 MB | 18 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [David Galarza](https://appshunter.io/developer/1504772812) | [Nathan Wichman](https://appshunter.io/developer/1871003719) |

## What reviewers say

### Language Reactor

[App page](https://appshunter.io/ios/app/language-reactor-sounter/id1505600864)

Learn languages through the power of music with interactive lessons based on your favorite songs. This app offers real-time lyric exercises, vocabulary building, and progress tracking to make language acquisition engaging and effective. It's an immersive alternative to traditional study methods.

**Highlights:** Personalized music-based courses, Real-time lyric exercises, Offline learning mode, Adaptive difficulty, Vocabulary builder, Progress tracking

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.49 | per month |
| Monthly | $11.99 | per month |
| Biannual | $14.99 | per 6 months |
| Sounter Premium Welcome Offer | $19.99 | per year |
| Annual Subscription | $23.99 | per year |
| Sounter Premium | $24.99 | per year |
| Biannual | $40.49 | per 6 months |
| Biannual | $50.99 | per 6 months |
| Annual Subscription | $59.99 | per year |
| Biannual | $59.99 | per 6 months |
| Annual Subscription | $69.99 | per year |
| Lifetime - Premium | $99.99 | one-time |

**What reviewers like**

- 👍 User-friendly interface
- 🎶 Engaging music-based learning
- 💯 Effective language learning
- 🔥 Excellent app
- 🤩 Fantastic app

**What reviewers complain about**

- 🐛 Technical issues (crashes, bugs, songs not loading)
- 💰 Subscription concerns (hidden fees, difficult to cancel)
- 🇧🇷 Lack of support for certain languages

**Reported bugs**

- Repeated lessons and inability to progress
- Automatic subscription charges without user consent

**Requested features**

- Add writing practice feature
- Improve accent and pronunciation feedback
- Provide more language options


### Idioma Flash

[App page](https://appshunter.io/ios/app/idioma-flash/id6758115301)

This app helps you learn new vocabulary in any language. It offers instant translations, high-quality audio pronunciation, and allows you to create custom flashcard decks for personalized study. Suitable for all learning levels and languages.

**Highlights:** Instant translation, Audio pronunciation, Custom flashcard decks, Supports multiple languages, Adaptable to all levels

**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 Idioma Flash free?

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

### Which has better reviews, Language Reactor or Idioma Flash?

Idioma Flash is rated higher. Language Reactor averages 4.8 out of 5 from 3.7K ratings, while Idioma Flash averages 5.0 from 2 ratings.

### Do Language Reactor or Idioma Flash have ads?

Idioma Flash shows ads; Language Reactor does not.

### Which is updated more often, Language Reactor or Idioma Flash?

Language Reactor ships an update every 3 weeks, and Idioma Flash weekly. Most recently, Language Reactor was updated on October 21, 2026 and Idioma Flash on September 30, 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.*
