# PDF Expert vs Mena

The clearest difference is update cadence: Mena at every 3 days against PDF Expert's every 9 days. PDF Expert's advantage is iOS requirement (16.6 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

PDF Expert ships an update every 9 days, Mena every 3 days. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDF Expert | Mena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 47 MB | 48 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [泽强 蒲](https://appshunter.io/developer/1505153238) | [Cihat Salik](https://appshunter.io/developer/1819820065) |

## What reviewers say

### PDF Expert

[App page](https://appshunter.io/ios/app/pdf-expert-reader-and-editor/id6796615625)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Expert Premium Monthly | $3.99 | per month |
| PDF Expert Premium Yearly | $29.99 | per year |


### Mena

[App page](https://appshunter.io/ios/app/mena-notes-mind-map-and-study/id6801832470)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mena Pro - Monthly | $3.99 | per month |
| Mena Pro - Yearly | $29.99 | per year |
| Mena Pro - Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is PDF Expert free?

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

### Is Mena free?

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

### Do PDF Expert or Mena have ads?

Neither PDF Expert nor Mena shows ads.

### Which is updated more often, PDF Expert or Mena?

PDF Expert ships an update every 9 days, and Mena every 3 days. Most recently, PDF Expert was updated on September 29, 2026 and Mena on October 14, 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.*