# PDF Viewer vs PosterMap

The clearest difference is in-app purchases: PDF Viewer at none against PosterMap's 3. PDF Viewer also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PosterMap sells 3 in-app purchases, starting at $4.99 per month. PDF Viewer asks for nothing beyond the download.

## The numbers

| Metric | PDF Viewer | PosterMap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Size | 71 MB | 98 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Mulinshen Technology Co., Ltd](https://appshunter.io/developer/1856488734) | [Ali Goktas](https://appshunter.io/developer/1604433091) |

## What reviewers say

### PDF Viewer

[App page](https://appshunter.io/ios/app/pdf-viewer-ultrapdf/id6755807685)

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

**In-app purchases:** none


### PosterMap

[App page](https://appshunter.io/ios/app/postermap-custom-map-maker/id6760111420)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime Pro Unlock | $39.99 | one-time |


## Frequently asked questions

### Is PDF Viewer free?

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

### Is PosterMap free?

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

### Do PDF Viewer or PosterMap have ads?

PosterMap shows ads; PDF Viewer 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.*