Comparison

DoomLearn vs BrainRetain

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

Head to head
About

DoomLearn

This app helps you turn your scrolling time into study time. It prompts you to answer practice questions before accessing social media, building your knowledge base daily. Features include a growing question database, adaptive difficulty, and a points system to track progress.

Highlights
  • Customizable practice problem prompts
  • Database with 150+ questions
  • Adaptive difficulty
  • DoomPoints system for tracking growth
  • Infinite practice mode
  • Achievements
Features
Read full description

DoomLearn is the first app of its kind, allowing users to transform scrolling habits into study habits! By utilizing shortcuts and automations, DoomLearn prompts you to complete a customizable amount of practice problems before using your favorite social media apps, slowly building up your knowledge base everyday. Current Features Include: Database with 150+ questions, continuously updated with more questions everyday Adaptive difficulty to meet your question/answering needs Achievements ‘DoomPoints’ system to track your learning and growth Customizable quiz length ‘Infinite’ practice mode to doom learn instead of doom scroll! Coming Soon: New learning packs (Computer Science Interviews, MCAT Testing, …) Public leaderboard More app shortcuts! Feel free to e-mail support@bedson.tech with suggestions or improvements!

About

BrainRetain

This app helps you retain information from videos, podcasts, and articles using spaced repetition. Share content, and it will extract key ideas, quizzing you over time to ensure long-term memory. It supports various platforms and aims to make online learning stick.

Highlights
  • Spaced repetition learning
  • Content sharing from various apps
  • Extracts key ideas from content
  • Personalized recall algorithm
  • Supports videos, podcasts, articles
  • Long-term memory retention
Features
Read full description

You'll spend years of your waking life on this content anyway, so you might as well retain the ideas you take in! Most of them vanish within days. BrainRetain fixes that with spaced repetition, the memory method med students use to hold thousands of facts for years. Whenever you see something you want to remember for the long term, share it with BrainRetain, and our algorithm forces your nervous system into remembering it. What you learn online finally stays. It uses the same method about 68.3% of US med students use to remember thousands of facts: spaced repetition. IT ACTUALLY WORKS: • 317 published experiments confirm spaced repetition beats cramming information for long-term recall (Cepeda et al., Psychological Bulletin 2006). • About 68% of US medical students use spaced repetition (Halperin et al., J Med Educ Curric Dev 2024). • Week-later recall jumps from 36% to 80% when you swap re-reading for being quizzed (Karpicke & Roediger, Science 2008). HOW YOU USE IT: • You see content that you want to remember for the long run. • Share a video, podcast, article, screenshot, or your own notes from any of the supported apps. • BrainRetain pulls out the key ideas in minutes. • Rate how difficult each idea was to remember. • Our algorithm shows you the ideas in a pattern that forces them to become long-term memory. WORKS WITH: • YouTube, TikTok, Spotify, Apple Podcasts, Medium, Substack, news sites, and any text you can paste. PRIVACY: • https://brainretain.app/privacy BrainRetain Pro is an auto-renewable subscription. Your subscription auto-renews unless canceled at least 24 hours before the current period ends. Payment is charged to your Apple Account at confirmation of purchase. You can manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DoomLearn3 screens
BrainRetain4 screens

Verdict

The call

The clearest difference is in-app purchases: DoomLearn at none against BrainRetain's 3. BrainRetain's advantage is iOS requirement (16.1 vs 18.5). On price, rating, review sentiment and ratings volume 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. BrainRetain sells 3 in-app purchases, starting at $4.99 per 7 days. DoomLearn asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for DoomLearn against 5.0 for BrainRetain. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

DoomLearn ships an update every 3 days, BrainRetain every 5 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
DoomLearn versus BrainRetain: the parameters behind the verdict, then further details
ParameterDoomLearnBrainRetain
PriceFreeFree
Rating5.0 (4 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings44
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone
Requires iOS18.516.1 — better
Further details — not scored
Size3 MB66 MB
Age rating4+4+
DeveloperTrevor BedsonBering Digital Group LLC

Customer experience

DoomLearn

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

BrainRetain

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

DoomLearn

No in-app purchases

3 purchases

BrainRetain

Subscriptions3
  • BrainRetain Pro$4.997 Days
  • BrainRetain Pro (Monthly)7 Days trial$9.991 Month
  • BrainRetain Pro - Annual$79.991 Year

Questions

Is DoomLearn free?
DoomLearn is free to download, with no in-app purchases.
Is BrainRetain free?
BrainRetain is free to download, with in-app purchases available.
Which has better reviews, DoomLearn or BrainRetain?
DoomLearn and BrainRetain are both rated 5.0 out of 5 on the App Store, from 4 and 4 ratings respectively.
Do DoomLearn or BrainRetain have ads?
Neither DoomLearn nor BrainRetain shows ads.
Which is updated more often, DoomLearn or BrainRetain?
DoomLearn ships an update every 3 days, and BrainRetain every 5 days. Most recently, DoomLearn was updated on October 4, 2026 and BrainRetain on October 14, 2026.

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