# Mars Hill Audio vs SonLerni

The clearest difference is rating: SonLerni at 5.0 against Mars Hill Audio's 4.4. SonLerni also leads on review sentiment (100% vs 69%) and update cadence (every 10 days vs every 6 weeks). Mars Hill Audio's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SonLerni sells 1 in-app purchase, starting at $59.99 per year. Mars Hill Audio asks for nothing beyond the download.

SonLerni holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 35 and 10 respectively. Written reviews point the same way: 69% of Mars Hill Audio's written reviews are positive against 100% of SonLerni's.

Mars Hill Audio ships an update every 6 weeks, SonLerni every 10 days. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Mars Hill Audio | SonLerni |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (35 ratings)](https://appshunter.io/ios/app/mars-hill-audio/id1355384400/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sonlerni-language-immersion/id6751362941/reviews)** |
| Number of ratings | **35** | 10 |
| Positive reviews | 69.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 101 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Mars Hill Audio](https://appshunter.io/developer/1355384399) | [Sonlerni LLC](https://appshunter.io/developer/1834763719) |

## What reviewers say

### Mars Hill Audio

[App page](https://appshunter.io/ios/app/mars-hill-audio/id1355384400)

Access a vast library of thoughtful audio content, including interviews with prominent thinkers and in-depth discussions on culture and faith. Stream or download audiobooks, documentaries, and an ongoing audio magazine. Search your library for specific guests and topics.

**Highlights:** Audio magazine subscription, Interviews with authors and thinkers, Audiobooks and documentaries, Searchable audio library, Streaming and offline listening, Free content archive access

**Features:** macOS Compatibility

**In-app purchases:** none


### SonLerni

[App page](https://appshunter.io/ios/app/sonlerni-language-immersion/id6751362941)

This app helps intermediate language learners improve fluency by listening to native podcasts with synced transcripts and AI-powered explanations. It offers phrase-by-phrase replay, customizable playback speed, and automatically generated flashcards for review.

**Highlights:** Native language podcasts, Synced transcripts, Phrase-by-phrase replay, AI tutor for explanations, Adjustable playback speed, Automatic flashcard creation, Progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $59.99 | per year |


## Frequently asked questions

### Is Mars Hill Audio free?

Mars Hill Audio is free to download, with no in-app purchases.

### Is SonLerni free?

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

### Which has better reviews, Mars Hill Audio or SonLerni?

SonLerni is rated higher. Mars Hill Audio averages 4.4 out of 5 from 35 ratings, while SonLerni averages 5.0 from 10 ratings.

### Do Mars Hill Audio or SonLerni have ads?

SonLerni shows ads; Mars Hill Audio does not.

### Which is updated more often, Mars Hill Audio or SonLerni?

Mars Hill Audio ships an update every 6 weeks, and SonLerni every 10 days. Most recently, Mars Hill Audio was updated on November 6, 2026 and SonLerni on November 8, 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.*