# Doctrinal Mastery vs Tether

The clearest difference is rating: Tether at 4.9 against Doctrinal Mastery's 4.3. Tether also leads on update cadence (every 5 days vs every 8 months) and review sentiment (96% vs 77%). Doctrinal Mastery's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Tether sells 1 in-app purchase, starting at $4.99 per month. Doctrinal Mastery asks for nothing beyond the download.

Tether holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 236 and 317 respectively. Written reviews point the same way: 77% of Doctrinal Mastery's written reviews are positive against 96% of Tether's.

Doctrinal Mastery ships an update every 8 months, Tether every 5 days. The most recent releases landed on November 10, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Doctrinal Mastery | Tether |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (236 ratings)](https://appshunter.io/ios/app/doctrinal-mastery/id413341700/reviews) | **[4.9 (317 ratings)](https://appshunter.io/ios/app/tether-book-of-mormon/id6761638007/reviews)** |
| Number of ratings | 236 | **317** |
| Positive reviews | 77.1% of reviews | **95.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 98 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Church of Jesus Christ of Latter-day Saints](https://appshunter.io/developer/319828224) | [Tether Scripture LLC](https://appshunter.io/developer/1890583478) |

## 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


### Tether

[App page](https://appshunter.io/ios/app/tether-book-of-mormon/id6761638007)

This app guides users through daily scripture reading of the Book of Mormon with short, manageable passages and comprehension questions. It helps build a consistent study habit through streaks, progress tracking, and social accountability with friends. Features include daily reminders, streak freezes, and home screen widgets.

**Highlights:** Guided scripture reading sessions, Bite-sized passages, Comprehension questions, Daily reading streaks, Progress tracking (XP, levels), Friend streaks for accountability, Daily reminders and streak freezes

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tether Supporter Monthly | $4.99 | per month |


## Frequently asked questions

### Is Doctrinal Mastery free?

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

### Is Tether free?

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

### Which has better reviews, Doctrinal Mastery or Tether?

Tether is rated higher. Doctrinal Mastery averages 4.3 out of 5 from 236 ratings, while Tether averages 4.9 from 317 ratings.

### Do Doctrinal Mastery or Tether have ads?

Neither Doctrinal Mastery nor Tether shows ads.

### Which is updated more often, Doctrinal Mastery or Tether?

Doctrinal Mastery ships an update every 8 months, and Tether every 5 days. Most recently, Doctrinal Mastery was updated on November 10, 2026 and Tether on November 9, 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.*