# BrainDen vs Qubase

The clearest difference is iOS requirement: BrainDen at 15.1 against Qubase's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. BrainDen sells 3 in-app purchases, starting at $19.99 per month and Qubase sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BrainDen ships an update monthly, Qubase every 2 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BrainDen | Qubase |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 49 MB | 20 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Ogbemudia Terry Osayawe](https://appshunter.io/developer/1678791059) | [Numerical Co.](https://appshunter.io/developer/1128647431) |

## What reviewers say

### BrainDen

[App page](https://appshunter.io/ios/app/brainden-lecture-note-taker/id6757434859)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BrainDen Pro - Monthly | $19.99 | per month |
| 6-Month Pro Subscription | $49.99 | per 6 months |
| BrainDen Pro - Annual Subscription | $99.99 | per year |


### Qubase

[App page](https://appshunter.io/ios/app/qubase-ai-worksheet-parser/id6767735650)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credit Pack (Small) | $1.99 | one-time |
| Credit Pack (Medium) | $2.99 | one-time |
| Credit Pack (Large) | $3.99 | one-time |


## Frequently asked questions

### Is BrainDen free?

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

### Is Qubase free?

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

### Do BrainDen or Qubase have ads?

Neither BrainDen nor Qubase shows ads.

### Which is updated more often, BrainDen or Qubase?

BrainDen ships an update monthly, and Qubase every 2 weeks. Most recently, BrainDen was updated on October 31, 2026 and Qubase on October 28, 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.*