# DoomLearn vs BrainRetain

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.

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.

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.

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.

## The numbers

| Metric | DoomLearn | BrainRetain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/doomlearn/id6746819162/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/brainretain-remember-it/id6769563092/reviews) |
| Number of ratings | 4 | 4 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 66 MB |
| Requires iOS | 18.5 | **16.1** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trevor Bedson](https://appshunter.io/developer/1811126111) | [Bering Digital Group LLC](https://appshunter.io/developer/1896668816) |

## What reviewers say

### DoomLearn

[App page](https://appshunter.io/ios/app/doomlearn/id6746819162)

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:** macOS Compatibility

**In-app purchases:** none


### BrainRetain

[App page](https://appshunter.io/ios/app/brainretain-remember-it/id6769563092)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainRetain Pro | $4.99 | per 7 days |
| BrainRetain Pro (Monthly) | $9.99 | per month |
| BrainRetain Pro - Annual | $79.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*