# Compress PDF vs Accelerometer

The clearest difference is ads: Compress PDF at none against Accelerometer's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Compress PDF sells 3 in-app purchases, starting at $2.99 per 7 days and Accelerometer sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Compress PDF | Accelerometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (14 ratings)](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 12 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [PremiumAl Limited](https://appshunter.io/developer/1865407557) | [Andy Sutanto](https://appshunter.io/developer/1659282966) |

## What reviewers say

### Compress PDF

[App page](https://appshunter.io/ios/app/compress-pdf-resize-pdf/id6753917813)

Easily reduce the size of PDF files for efficient storage and sharing. Offers adjustable quality levels and on-device processing for privacy. An optional Pro upgrade provides unlimited compressions, target file size control, and an ad-free experience.

**Highlights:** Compress PDFs by adjustable quality, Reduce PDF file size quickly, Preview original vs. compressed size, Share or save compressed PDFs, Private and secure on-device processing, Target file size control (Pro), Unlimited compressions (Pro)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium | $4.99 | one-time |
| Premium | $5.99 | one-time |


### Accelerometer

[App page](https://appshunter.io/ios/app/accelerometer/id6762511214)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1W | $3.99 | per 7 days |
| 1M | $7.99 | per month |
| 1Y | $29.99 | per year |
| Pro | $49.99 | one-time |


## Frequently asked questions

### Is Compress PDF free?

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

### Is Accelerometer free?

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

### Do Compress PDF or Accelerometer have ads?

Accelerometer shows ads; Compress PDF 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.*