# Recall vs InkPDF

The clearest difference is ads: Recall at none against InkPDF's shown. InkPDF's advantage is iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Recall | InkPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (67 ratings)](https://appshunter.io/ios/app/recall-summarize-and-save/id6445893722/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 53.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 81 MB | 28 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Richards](https://appshunter.io/developer/1674570950) | [HYO JONG YOO](https://appshunter.io/developer/1879487756) |

## What reviewers say

### Recall

[App page](https://appshunter.io/ios/app/recall-summarize-and-save/id6445893722)

This app creates a personal knowledge base by summarizing online content like videos, articles, and podcasts. It automatically categorizes and links saved summaries, aiding in content discovery and connection. It also employs spaced repetition and active recall techniques to enhance long-term knowledge retention.

**Highlights:** Summarize any online content, Save summaries to personal knowledge base, Automatic categorization of summaries, Automatic linking of related content, Spaced repetition reviews, Active recall testing

**Features:** Vision Pro support

**In-app purchases:** none


### InkPDF

[App page](https://appshunter.io/ios/app/inkpdf/id6795920767)

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

**In-app purchases:** none


## Frequently asked questions

### Is Recall free?

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

### Is InkPDF free?

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

### Do Recall or InkPDF have ads?

InkPDF shows ads; Recall does not.

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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.*