# PDF Splitter vs TwoUp Split Screen Dual Window

The clearest difference is in-app purchases: PDF Splitter at none against TwoUp Split Screen Dual Window's 2. PDF Splitter also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). TwoUp Split Screen Dual Window's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price there is nothing between them.

Both are free to download. TwoUp Split Screen Dual Window sells 2 in-app purchases, starting at $6.99 per 7 days. PDF Splitter asks for nothing beyond the download.

PDF Splitter ships an update monthly, TwoUp Split Screen Dual Window weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PDF Splitter | TwoUp Split Screen Dual Window |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Size | 53 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Bokeria](https://appshunter.io/developer/1425332310) | [Mikalai Kuts](https://appshunter.io/developer/1757613729) |

## What reviewers say

### PDF Splitter

[App page](https://appshunter.io/ios/app/pdf-splitter-page-extract/id6783837784)

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

**In-app purchases:** none


### TwoUp Split Screen Dual Window

[App page](https://appshunter.io/ios/app/twoup-split-screen-dual-window/id6802056782)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TwoUp Plus Week | $6.99 | per 7 days |
| TwoUP Plus Year | $59.99 | per year |


## Frequently asked questions

### Is PDF Splitter free?

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

### Is TwoUp Split Screen Dual Window free?

TwoUp Split Screen Dual Window is free to download, with in-app purchases available.

### Do PDF Splitter or TwoUp Split Screen Dual Window have ads?

PDF Splitter shows ads; TwoUp Split Screen Dual Window does not.

### Which is updated more often, PDF Splitter or TwoUp Split Screen Dual Window?

PDF Splitter ships an update monthly, and TwoUp Split Screen Dual Window weekly. Most recently, PDF Splitter was updated on October 8, 2026 and TwoUp Split Screen Dual Window on October 15, 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.*