# Speed Up Player vs Language Reactor

The clearest difference is in-app purchases: Speed Up Player at none against Language Reactor's 13. Language Reactor's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

Speed Up Player ships an update every 6 months, Language Reactor every 3 weeks. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Speed Up Player | Language Reactor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (3.7K ratings)](https://appshunter.io/ios/app/language-reactor-sounter/id1505600864/reviews)** |
| Number of ratings | — | **3.7K** |
| Positive reviews | — | 65.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 244 MB | 120 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [E V N Eduvision, S.A.](https://appshunter.io/developer/1895175857) | [David Galarza](https://appshunter.io/developer/1504772812) |

## What reviewers say

### Speed Up Player

[App page](https://appshunter.io/ios/app/speed-up-player/id1318761283)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Speed Up Player free?

Speed Up Player is free to download, with no in-app purchases.

### Is Language Reactor free?

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

### Do Speed Up Player or Language Reactor have ads?

Neither Speed Up Player nor Language Reactor shows ads.

### Which is updated more often, Speed Up Player or Language Reactor?

Speed Up Player ships an update every 6 months, and Language Reactor every 3 weeks. Most recently, Speed Up Player was updated on October 7, 2026 and Language Reactor on October 21, 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.*