# PDF Reader vs Mnemo

The clearest difference is price: Mnemo at Free against PDF Reader's $0.99. PDF Reader's advantage is update cadence (every 2 weeks vs every 2 months) and chart position (#184 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Mnemo is free to download; PDF Reader costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PDF Reader ships an update every 2 weeks, Mnemo every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF Reader | Mnemo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/pdf-reader-pdf-vieweredit/id6745189063/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Paid | — |
| Best chart rank | **#184** | — |
| Size | 42 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Grzegorz Rakoca](https://appshunter.io/developer/1778459428) | [Carson Evans](https://appshunter.io/developer/6780342223) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-vieweredit/id6745189063)

**Currently charting:** #184 Top Paid · Productivity (US App Store)

This app automatically finds and organizes all PDF files on your device, allowing you to view, edit, and share them. It offers features like highlighting, note-taking, and electronic signatures for efficient document management.

**Highlights:** Automatic PDF scanning and organization, View, edit, and annotate PDFs, Highlight text and add notes, Electronic signatures and form filling, Convert photos to PDFs, Split and combine PDFs, Password protection for documents

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

**In-app purchases:** none


### Mnemo

[App page](https://appshunter.io/ios/app/mnemo-notes-and-memory/id6780342041)

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

PDF Reader costs $0.99, with no in-app purchases.

### Is Mnemo free?

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

### Do PDF Reader or Mnemo have ads?

Neither PDF Reader nor Mnemo shows ads.

### Which is updated more often, PDF Reader or Mnemo?

PDF Reader ships an update every 2 weeks, and Mnemo every 2 months. Most recently, PDF Reader was updated on October 28, 2026 and Mnemo on October 25, 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.*