catechism.app vs MLJ Sermons
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
catechism.app
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.
- New City Catechism
- Westminster Catechisms
- Heidelberg Catechism
- Geneva Catechism
- Scripture proofs
- Hide answer for memorization
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Features the New City Catechism, the Westminster Shorter & Larger Catechisms, the Children's Catechism, the Heidelberg Catechism, and the Geneva Catechism. Each catechism contains questions and answers, Scripture proofs in multiple Bible versions, and a feature to hide the answer to aid in memorization.
MLJ Sermons
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.
- 1,600+ audio sermons
- Stream or download sermons
- Bible references included
- Adjustable playback speed
- Sermon topics and collections
- Sort by Bible books
- Share sermons
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"This is the most important app you'll ever need." --App Store Review Access over 1,600 audio sermons to shine light on the Gospel! Stream or download each audio sermon. Quickly access bible references inside the app. Get spiritually fed by this free teaching resource. Enjoy the classic Christian audio. The MLJ Sermons app connects you to the preaching ministry of Dr. Martyn Lloyd-Jones. Lloyd-Jones was a Welsh Protestant minister, preacher, and medical doctor who was influential in the Reformed wing of the British evangelical movement in the 20th century. Dr. Lloyd-Jones preached over 1,600 sermons and the complete catalog of his messages is available for streaming & download through this app. App features include: -Audio controls -Play/pause audio sermons -Full-screen sermon player -Choose different playback speeds -Bible reference for each sermon -View Sermon Topics and Collections -Sort sermons by books of the Bible -Share each sermon -Learn more about the preacher Dr. Martyn Lloyd-Jones The MLJ Sermons app was created by Five Q.
Screenshots
Verdict
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 ads (none vs shown) and review sentiment (94% vs 82%). On price, rating and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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. Both last shipped on November 1, 2026.
| Parameter | catechism.app | MLJ Sermons |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (167 ratings) | 4.9 (1.3K ratings) — better |
| Positive reviews | 93.8% of reviews — better | 82.4% of reviews |
| Number of ratings | 167 | 1.3K — better |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 46 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Deo Volente, LLC | 5Q Communications, Inc |
Customer experience
catechism.app
MLJ Sermons
User reviews
catechism.app
From 167 App Store ratingsWhat we love
- 👍 Daily reminders for study
- 👍 Helps understand Bible
- 👍 Favorite catechism app
- 👍 Great way to review teachings
- 👍 Focuses on biblical standards
Room to improve
- 🐛 Cannot mark questions completed
- 🐛 No way to mark where left off
- 🐛 Not organized well
- 🐛 Doesn't play sound
- 🐛 Stuck on screen
MLJ Sermons
From 1.3K App Store ratingsWhat we love
- 🙏 Grateful for preserved sermons
- 🔥 Powerful, transformative preaching
- 🕰️ Timeless, relevant messages
- 👍 Easy to navigate app
Room to improve
- 🐛 Buggy playback issues (resets, freezes)
- 🔍 Difficult to find/resume sermons
- 🔋 High battery drain
- 📚 Lack of sermon organization/categorization
Bugs and requests
catechism.app
Reported bugs
2 issues- iPad in silent mode error
- Screen issues fixed by update
Requested features
11 requests- Copy scripture texts
- Add Fisher’s catechism
- Add Baptist Catechism based off 2nd LBCF 1689
- Copy portions to clipboard
- Attach notes to text
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- Searchable content
- Background info on catechisms
- Add more catechisms
- Real human to read material aloud
- Share feature to text friends
- Dark mode option
MLJ Sermons
Reported bugs
3 issues- Sermons not playing/loading
- Playback issues (resets, stops unexpectedly)
- Navigation/UI glitches
Requested features
4 requests- Sermon progress tracking
- Playback speed controls
- Sermon notes/bookmarking
- Improved sermon organization (by topic, scripture, etc.)
In-app purchases
catechism.app
- Donation Subscription Small$1.991 Year
MLJ Sermons
No in-app purchases
Questions
Is catechism.app free?
Is MLJ Sermons free?
Which has better reviews, catechism.app or MLJ Sermons?
Do catechism.app or MLJ Sermons have ads?
Which is updated more often, catechism.app or MLJ Sermons?
Other comparisons
