# Compounds! vs PDFCrop

The clearest difference is ads: Compounds! at none against PDFCrop's shown. Compounds! also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Compounds! sells 2 in-app purchases, starting at $14.99 per month and PDFCrop sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Compounds! ships an update monthly, PDFCrop every 3 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Compounds! | PDFCrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdfcrop-pdf-split-and-crop/id6758953356/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 239 MB | 10 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Parotid](https://appshunter.io/developer/1723685802) | [Dajiale](https://appshunter.io/developer/516546398) |

## What reviewers say

### Compounds!

[App page](https://appshunter.io/ios/app/compounds/id6475225821)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $14.99 | per month |
| Pro Yearly | $49.99 | per year |


### PDFCrop

[App page](https://appshunter.io/ios/app/pdfcrop-pdf-split-and-crop/id6758953356)

Easily crop, rotate, and split PDF files directly on your device. Remove white margins, fix page orientation, and divide large documents into smaller ones. All processing is done locally for enhanced privacy.

**Highlights:** Smart PDF cropping, Rotate pages and fix orientation, Batch processing for multi-page documents, Split PDF files, Real-time preview, 100% on-device processing

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Clean Export | $0.99 | one-time |
| Pro Plan | $9.99 | one-time |


## Frequently asked questions

### Is Compounds! free?

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

### Is PDFCrop free?

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

### Do Compounds! or PDFCrop have ads?

PDFCrop shows ads; Compounds! does not.

### Which is updated more often, Compounds! or PDFCrop?

Compounds! ships an update monthly, and PDFCrop every 3 weeks. Most recently, Compounds! was updated on October 27, 2026 and PDFCrop on October 31, 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.*