# Chat PDF AI vs CoreNotes

The clearest difference is update cadence: CoreNotes at fortnightly against Chat PDF AI's every 2 months. CoreNotes also leads on iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chat PDF AI sells 3 in-app purchases, starting at $2.99 per 7 days and CoreNotes sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Chat PDF AI ships an update every 2 months, CoreNotes fortnightly. The most recent releases landed on November 9, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Chat PDF AI | CoreNotes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 26 MB | 62 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alperen Ciftlikci](https://appshunter.io/developer/1839058842) | [Khamidjon Egamov](https://appshunter.io/developer/1808009848) |

## What reviewers say

### Chat PDF AI

[App page](https://appshunter.io/ios/app/chat-pdf-ai-summary-and-quiz/id6759441102)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Offer | $2.99 | per 7 days |
| Premium - Weekly | $4.99 | per 7 days |
| Premium - Yearly | $39.99 | per year |


### CoreNotes

[App page](https://appshunter.io/ios/app/corenotes-tldr-summary/id6760457827)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoreNotes Pro \| Monthly | $3.99 | per month |
| CoreNotes Pro \| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Chat PDF AI free?

Chat PDF AI is free to download, with in-app purchases available.

### Is CoreNotes free?

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

### Do Chat PDF AI or CoreNotes have ads?

Neither Chat PDF AI nor CoreNotes shows ads.

### Which is updated more often, Chat PDF AI or CoreNotes?

Chat PDF AI ships an update every 2 months, and CoreNotes fortnightly. Most recently, Chat PDF AI was updated on November 9, 2026 and CoreNotes on November 2, 2026.

---

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