Comparison

Doctrinal Mastery vs Tether

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Doctrinal Mastery

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
Read full description

The Doctrinal Mastery app helps members of The Church of Jesus Christ of Latter-day Saints study and learn the 100 seminary doctrinal mastery passages, the Articles of Faith, and other content imported using the sharing feature within the Gospel Library app. The learning activities include memorizing, reviewing flashcards, and taking a quiz. Memorizing scriptures can provide a powerful source of inspiration in times of need.

About

Tether

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
Read full description

Tether is a Book of Mormon reading app that helps people build a consistent daily scripture study habit through short, guided reading sessions. Tether breaks the Book of Mormon into manageable passages, follows each passage with a simple question, and tracks reading progress through streaks, XP, levels, and progress with friends. More than 10,000 readers have used Tether, completing over 100,000 guided Book of Mormon reading sessions. GUIDED BOOK OF MORMON READING Tether gives you a clear reading path through the Book of Mormon, so you always know what to read next. Each session includes a short passage from the Book of Mormon followed by a simple comprehension question. This structure encourages active reading and makes scripture study easier to begin and complete. Tether is designed for guided daily reading and habit-building, not as a general scripture library or official Church study app. BUILD A DAILY SCRIPTURE STUDY HABIT Complete short reading sessions, maintain a daily streak, earn XP, level up, and track your progress through the Book of Mormon. Daily reminders and streak freezes help you keep building your reading habit, even when consistency has been difficult in the past. READ THE BOOK OF MORMON WITH FRIENDS Add friends on Tether and create friend streaks by completing your daily scripture study together. Friend streaks give friends a shared reason to read each day, creating encouragement and accountability. Support each other’s progress and build stronger scripture-reading habits together. FEATURES • Short, guided Book of Mormon reading sessions • Bite-sized passages instead of entire chapters at once • Simple questions that encourage active reading • A clear reading path through the Book of Mormon • Daily scripture reading streaks • XP, levels, and reading progress • Friends, shared progress, and friend streaks • Daily reminders • Streak freezes • Saved verses • Home screen streak and progress widgets • Dark mode WHO TETHER HELPS Tether is especially useful for people who want to read the Book of Mormon but struggle with consistency, focus, long chapters, or knowing where to begin. It is built for first-time readers, returning readers, and anyone looking for a clear, guided way to study the Book of Mormon. Whether you are beginning the Book of Mormon, starting again, or rebuilding your scripture study habit, Tether gives you one clear next step: Read a short passage. Answer a question. Complete your session. Return tomorrow. Tether’s habit-building features are designed to help readers consistently engage with the Book of Mormon and grow closer to Jesus Christ. Tether is independently developed and is not an official application of or affiliated with The Church of Jesus Christ of Latter-day Saints. Portuguese New Testament text: Bíblia Livre (Feb. 2018), © 2018 Diego Santos, Mario Sérgio and Marco Teles. Formatted for Tether. Source: https://ebible.org/porbr2018/ · License: https://creativecommons.org/licenses/by/4.0/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Doctrinal Mastery4 screens
Tether4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Doctrinal Mastery versus Tether: the parameters behind the verdict, then further details
ParameterDoctrinal MasteryTether
PriceFreeFree
Rating4.3 (236 ratings)4.9 (317 ratings) — better
Positive reviews77.1% of reviews95.7% of reviews — better
Number of ratings236317 — better
Update frequencyEvery 8 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size40 MB98 MB
Age rating4+4+
DeveloperThe Church of Jesus Christ of Latter-day SaintsTether Scripture LLC

Customer experience

Doctrinal Mastery

All ratings235 ratings
Positive80.4%
Neutral7.2%
Negative12.3%
Written reviews118 reviews
Positive77.1%
Neutral16.1%
Negative6.8%

Tether

All ratings317 ratings
Positive98.7%
Neutral0.9%
Negative0.3%
Written reviews115 reviews
Positive95.7%
Neutral2.6%
Negative1.7%

Bugs and requests

Doctrinal Mastery

Reported bugs

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

Requested features

5 requests
  • 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

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Doctrinal Mastery

No in-app purchases

1 purchases

Tether

Subscriptions1
  • Tether Supporter Monthly$4.991 Month

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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