# AI Notes & PDF Summary Alicia vs Brain Builders

The clearest difference is update cadence: AI Notes & PDF Summary Alicia at every 3 months against Brain Builders's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Notes & PDF Summary Alicia sells 4 in-app purchases, starting at $4.99 per month and Brain Builders sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI Notes & PDF Summary Alicia ships an update every 3 months, Brain Builders every 11 months. Both last shipped on November 8, 2026.

## The numbers

| Metric | AI Notes & PDF Summary Alicia | Brain Builders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Size | 112 MB | 147 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MRC Software](https://appshunter.io/developer/1712198207) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### AI Notes & PDF Summary Alicia

[App page](https://appshunter.io/ios/app/ai-notes-and-pdf-summary-alicia/id6739475142)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alicia Monthly | $4.99 | per month |
| Buy 10 Credits | $0.99 | one-time |
| Buy 50 Credits | $3.99 | one-time |
| Buy 100 Credits | $6.99 | one-time |


### Brain Builders

[App page](https://appshunter.io/ios/app/brain-builders/id6742499475)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AR | $29.99 | one-time |
| Package - AV | $34.99 | one-time |
| Package - AZ | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BD | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |


## Frequently asked questions

### Is AI Notes & PDF Summary Alicia free?

AI Notes & PDF Summary Alicia is free to download, with in-app purchases available.

### Is Brain Builders free?

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

### Do AI Notes & PDF Summary Alicia or Brain Builders have ads?

Neither AI Notes & PDF Summary Alicia nor Brain Builders shows ads.

### Which is updated more often, AI Notes & PDF Summary Alicia or Brain Builders?

AI Notes & PDF Summary Alicia ships an update every 3 months, and Brain Builders every 11 months. Most recently, AI Notes & PDF Summary Alicia was updated on November 8, 2026 and Brain Builders on November 8, 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.*