# catechism.app vs MLJ Sermons

The clearest difference is in-app purchases: MLJ Sermons at none against catechism.app's 1. MLJ Sermons also leads on ratings volume (1.3K vs 167) and device support (3 vs 1). catechism.app's advantage is review sentiment (94% vs 82%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. catechism.app sells 1 in-app purchase, starting at $1.99 per year. MLJ Sermons asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for catechism.app against 4.9 for MLJ Sermons. That said, the two scores are not equally well evidenced: MLJ Sermons has 1.3K ratings behind it against 167, so its average is the more settled of the two. Written reviews are what separate them: 94% of catechism.app's written reviews are positive against 82% of MLJ Sermons's.

catechism.app ships an update every 6 weeks, MLJ Sermons monthly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | catechism.app | MLJ Sermons |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (167 ratings)](https://appshunter.io/ios/app/catechismapp/id359009311/reviews) | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/mlj-sermons-bible-teaching/id819555751/reviews)** |
| Number of ratings | 167 | **1.3K** |
| Positive reviews | **93.8% of reviews** | 82.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 46 MB | 37 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deo Volente, LLC](https://appshunter.io/developer/359009314) | [5Q Communications, Inc](https://appshunter.io/developer/819555755) |

## What reviewers say

### catechism.app

[App page](https://appshunter.io/ios/app/catechismapp/id359009311)

Access multiple Christian catechisms, including the New City, Westminster, Children's, Heidelberg, and Geneva. Study questions, answers, and scripture proofs with a feature to hide answers for memorization.

**Highlights:** New City Catechism, Westminster Catechisms, Heidelberg Catechism, Geneva Catechism, Scripture proofs, Hide answer for memorization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation Subscription Small | $1.99 | per year |

**What reviewers like**

- 👍 Daily reminders for study
- 👍 Helps understand Bible
- 👍 Favorite catechism app
- 👍 Great way to review teachings
- 👍 Focuses on biblical standards

**What reviewers complain about**

- 🐛 Cannot mark questions completed
- 🐛 No way to mark where left off
- 🐛 Not organized well
- 🐛 Doesn't play sound
- 🐛 Stuck on screen

**Reported bugs**

- iPad in silent mode error
- Screen issues fixed by update

**Requested features**

- Copy scripture texts
- Add Fisher’s catechism
- Add Baptist Catechism based off 2nd LBCF 1689
- Copy portions to clipboard
- Attach notes to text


### MLJ Sermons

[App page](https://appshunter.io/ios/app/mlj-sermons-bible-teaching/id819555751)

Access over 1,600 audio sermons from Dr. Martyn Lloyd-Jones to deepen your understanding of the Gospel. Stream or download messages, view Bible references, and explore sermon topics. This app provides a rich collection of classic Christian audio teaching.

**Highlights:** 1,600+ audio sermons, Stream or download sermons, Bible references included, Adjustable playback speed, Sermon topics and collections, Sort by Bible books, Share sermons

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

**In-app purchases:** none

**What reviewers like**

- 🙏 Grateful for preserved sermons
- 🔥 Powerful, transformative preaching
- 🕰️ Timeless, relevant messages
- 👍 Easy to navigate app

**What reviewers complain about**

- 🐛 Buggy playback issues (resets, freezes)
- 🔍 Difficult to find/resume sermons
- 🔋 High battery drain
- 📚 Lack of sermon organization/categorization

**Reported bugs**

- Sermons not playing/loading
- Playback issues (resets, stops unexpectedly)
- Navigation/UI glitches

**Requested features**

- Sermon progress tracking
- Playback speed controls
- Sermon notes/bookmarking
- Improved sermon organization (by topic, scripture, etc.)


## Frequently asked questions

### Is catechism.app free?

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

### Is MLJ Sermons free?

MLJ Sermons is free to download, with no in-app purchases.

### Which has better reviews, catechism.app or MLJ Sermons?

MLJ Sermons is rated higher. catechism.app averages 4.8 out of 5 from 167 ratings, while MLJ Sermons averages 4.9 from 1.3K ratings.

### Do catechism.app or MLJ Sermons have ads?

Neither catechism.app nor MLJ Sermons shows ads.

### Which is updated more often, catechism.app or MLJ Sermons?

catechism.app ships an update every 6 weeks, and MLJ Sermons monthly. Most recently, catechism.app was updated on November 1, 2026 and MLJ Sermons on November 6, 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.*