# Doctrinal Mastery vs OTC Courses

The clearest difference is in-app purchases: Doctrinal Mastery at none against OTC Courses's 1. OTC Courses's advantage is update cadence (every 2 days vs every 8 months) and iOS requirement (14.0.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. OTC Courses sells 1 in-app purchase, starting at $299.00 per year. Doctrinal Mastery asks for nothing beyond the download.

Doctrinal Mastery ships an update every 8 months, OTC Courses every 2 days. The most recent releases landed on September 22, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Doctrinal Mastery | OTC Courses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (234 ratings)](https://appshunter.io/ios/app/doctrinal-mastery/id413341700/reviews)** | — |
| Number of ratings | **234** | — |
| Positive reviews | 77.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 40 MB | 50 MB |
| Requires iOS | 17.6 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [The Church of Jesus Christ of Latter-day Saints](https://appshunter.io/developer/319828224) | [SAJID NAZIR](https://appshunter.io/developer/1735475676) |

## What reviewers say

### Doctrinal Mastery

[App page](https://appshunter.io/ios/app/doctrinal-mastery/id413341700)

This app aids members of The Church of Jesus Christ of Latter-day Saints in memorizing and learning key scripture passages and articles of faith. It offers interactive learning activities like flashcards and quizzes to deepen understanding and recall.

**Highlights:** Study doctrinal mastery passages, Learn Articles of Faith, Memorization activities, Flashcard review, Quiz feature, Import content from Gospel Library

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for memorizing scriptures
- 🚀 Helps users learn scriptures quickly
- 💡 Allows importing scriptures from Gospel Library
- 🎨 Visually appealing design

**What reviewers complain about**

- 🐛 Issues with 'My Content' feature not working
- 🐛 Problems with Articles of Faith quiz
- 🔍 Outdated scripture lists
- 🔧 Needs more customization options

**Reported bugs**

- Blank Articles of Faith questions
- Score always shows as '0' in quizzes
- Formatting issues with scripture display
- Incompatibility with newer iOS versions

**Requested features**

- Add ability to delete/edit added scriptures
- Implement random order for quizzes and flashcards
- Include audio for scripture verses
- Add support for syncing across devices
- Provide option to select specific scripture sets to study


### OTC Courses

[App page](https://appshunter.io/ios/app/otc-courses/id6736997551)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTC Yearly Membership | $299.00 | per year |


## Frequently asked questions

### Is Doctrinal Mastery free?

Doctrinal Mastery is free to download, with no in-app purchases.

### Is OTC Courses free?

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

### Do Doctrinal Mastery or OTC Courses have ads?

Neither Doctrinal Mastery nor OTC Courses shows ads.

### Which is updated more often, Doctrinal Mastery or OTC Courses?

Doctrinal Mastery ships an update every 8 months, and OTC Courses every 2 days. Most recently, Doctrinal Mastery was updated on September 22, 2026 and OTC Courses on September 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.*