# AI Notes & PDF Summary Alicia vs DDECS

The clearest difference is in-app purchases: DDECS at none against AI Notes & PDF Summary Alicia's 4. DDECS also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.5). AI Notes & PDF Summary Alicia's advantage is update cadence (every 2 weeks vs every 7 months). On price 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. DDECS asks for nothing beyond the download.

AI Notes & PDF Summary Alicia ships an update every 2 weeks, DDECS every 7 months. The most recent releases landed on September 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI Notes & PDF Summary Alicia | DDECS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Size | 107 MB | 25 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MRC Software](https://appshunter.io/developer/1712198207) | [Saverio Cinelli](https://appshunter.io/developer/1828629061) |

## 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

**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 |


### DDECS

[App page](https://appshunter.io/ios/app/ddecs/id6749049159)

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

**In-app purchases:** none


## 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 DDECS free?

DDECS is free to download, with no in-app purchases.

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

AI Notes & PDF Summary Alicia shows ads; DDECS does not.

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

AI Notes & PDF Summary Alicia ships an update every 2 weeks, and DDECS every 7 months. Most recently, AI Notes & PDF Summary Alicia was updated on September 23, 2026 and DDECS 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.*