# Earworms vs MosaSeries

The clearest difference is review sentiment: Earworms at 72% against MosaSeries's 50%. Earworms also leads on iOS requirement (12.4 vs 15.0). MosaSeries's advantage is update cadence (every 6 weeks vs every 5 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Earworms sells 16 one-off in-app purchases and MosaSeries sells 4 in-app purchases, starting at $50.99 per 6 months. Whichever you choose, the download price is not the number that matters.

Earworms ships an update every 5 months, MosaSeries every 6 weeks. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Earworms | MosaSeries |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (357 ratings)](https://appshunter.io/ios/app/earworms-language-learning/id1214721881/reviews)** | — |
| Number of ratings | **357** | — |
| Positive reviews | **72.3% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 48 MB | 51 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [earworms Ltd](https://appshunter.io/developer/391784509) | [digiSchool](https://appshunter.io/developer/525382025) |

## What reviewers say

### Earworms

[App page](https://appshunter.io/ios/app/earworms-language-learning/id1214721881)

Learn languages effectively using the "earworm effect" with catchy music and lyrics. This method anchors foreign language words and phrases into your long-term memory through engaging, brain-based audio-visual lessons. Improve vocabulary and grammar with bite-sized tracks and native speaker pronunciation.

**Highlights:** Learn languages with music and lyrics, Brain-based learning technique, Audio-visual experience with karaoke lyrics, 6-9 minute learning tracks, Content-rich language based on CEF, Native speaker pronunciation

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Try before you buy | Free | one-time |
| Essayez avant d’acheter | Free | one-time |
| Álbum de demostración | Free | one-time |
| French Vol. 1 | $11.99 | one-time |
| Italian Vol. 1 | $11.99 | one-time |
| Spanish Lat. Am. Vol. 1 | $11.99 | one-time |
| Portuguese Vol.1 | $11.99 | one-time |
| French Vol. 2 | $11.99 | one-time |
| Dutch Vol. 1-2 | $19.99 | one-time |
| Japanese Vol. 1-2 | $19.99 | one-time |
| Spanish Lat. Am. Vol. 1-3 | $27.99 | one-time |
| Bundle deals, French Vol. 1-3 | $28.99 | one-time |
| Bundle deals, German Vol. 1-3 | $28.99 | one-time |
| Bundle deals, Italian Vol. 1-3 | $28.99 | one-time |
| Bundle, Spanish Eu. Vol. 1-3 | $28.99 | one-time |
| Portuguese Vol.1-3 | $28.99 | one-time |

**What reviewers like**

- 🎵 Music-based learning method effectively reinforces memory
- 👍 Easy and intuitive to use
- ⭐ Excellent customer support team
- 🎯 Practical, conversational phrases for real-world use
- 🧠 Words and phrases stick in memory effortlessly

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing issues
- 📱 Poor booklet formatting on mobile devices
- 💸 Pricing considered expensive by some users
- ❌ Limited number of lessons per language
- 🔧 App lacks autoplay/continuous playback feature

**Reported bugs**

- App crashes every few minutes on iPhone
- Network error on startup despite internet connection
- Infinite loop on initial setup screen
- App closes unexpectedly during playback
- Restore purchases feature not functioning

**Requested features**

- Additional volume levels for existing languages
- More lessons and expanded content library
- Autoplay feature for continuous listening
- Repeat single track functionality
- Ability to select specific lesson categories


### MosaSeries

[App page](https://appshunter.io/ios/app/mosaseries/id1630909231)

Learn a new language by following an engaging audio series. Improve listening comprehension and vocabulary through immersive storytelling. Designed for beginners to intermediate learners, it prepares you to understand native speakers and enjoy foreign media.

**Highlights:** Immersive audio series for language learning, Engaging story and characters, Progressive difficulty levels, Vocabulary enrichment, Listening comprehension improvement, Available languages: English, Italian, Spanish, German, French

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MosaSeries - 6 months | $50.99 | per 6 months |
| digiSchool Pass 6 mois | $51.99 | per 6 months |
| MosaSeries Premium - 12 months | $81.99 | per year |
| digiSchool Pass 12 mois | $81.99 | per year |


## Frequently asked questions

### Is Earworms free?

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

### Is MosaSeries free?

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

### Do Earworms or MosaSeries have ads?

Neither Earworms nor MosaSeries shows ads.

### Which is updated more often, Earworms or MosaSeries?

Earworms ships an update every 5 months, and MosaSeries every 6 weeks. Most recently, Earworms was updated on September 28, 2026 and MosaSeries 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.*