# Fela vs Deep In

The clearest difference is ratings volume: Fela at 214 against Deep In's 4. Fela also leads on iOS requirement (13.0 vs 15.1). Deep In's advantage is review sentiment (100% vs 80%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Fela sells 2 in-app purchases, starting at $15.99 per month and Deep In sells 3 in-app purchases, starting at $29.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Fela against 5.0 for Deep In. That said, the two scores are not equally well evidenced: Fela has 214 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 80% of Fela's written reviews are positive against 100% of Deep In's.

Fela ships an update every 8 days, Deep In every 5 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Fela | Deep In |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (214 ratings)](https://appshunter.io/ios/app/fela/id1610612356/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/deep-in-language-immersion/id6784153530/reviews)** |
| Number of ratings | **214** | 4 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 64 MB | 79 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fela App Inc.](https://appshunter.io/developer/1610612358) | [DEEP IN](https://appshunter.io/developer/6784153532) |

## What reviewers say

### Fela

[App page](https://appshunter.io/ios/app/fela/id1610612356)

This app uses AI to simulate natural language learning through listening and speaking practice. Improve your comprehension and speaking skills by engaging in AI-powered conversations and consuming learning materials.

**Highlights:** AI conversation simulator, Speaking practice, Listening comprehension, Natural language learning, Engaging learning materials

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Plan | $15.99 | per month |
| 6-Month Plan | $47.99 | per 6 months |


### Deep In

[App page](https://appshunter.io/ios/app/deep-in-language-immersion/id6784153530)

Learn languages by immersing yourself in real-world content like YouTube videos. This app focuses on understanding native speakers and building practical vocabulary through interactive subtitles and personalized review tools.

**Highlights:** Watch real YouTube videos in original language, Interactive subtitles with word and phrase breakdown, Personalized vocabulary review with flashcards, Practice speaking with AI conversation partner, Vast catalog of diverse video content, Add your own YouTube videos

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep | $29.00 | per month |
| Deep — 6 Months | $139.99 | per 6 months |
| Deep — Yearly | $239.99 | per year |


## Frequently asked questions

### Is Fela free?

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

### Is Deep In free?

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

### Which has better reviews, Fela or Deep In?

Deep In is rated higher. Fela averages 4.9 out of 5 from 214 ratings, while Deep In averages 5.0 from 4 ratings.

### Do Fela or Deep In have ads?

Neither Fela nor Deep In shows ads.

### Which is updated more often, Fela or Deep In?

Fela ships an update every 8 days, and Deep In every 5 days. Most recently, Fela was updated on October 20, 2026 and Deep In on October 17, 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.*