# SDS Smart vs Compress PDF

The clearest difference is in-app purchases: SDS Smart at none against Compress PDF's 3. SDS Smart also leads on iOS requirement (14.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Compress PDF sells 3 in-app purchases, starting at $2.99 per 7 days. SDS Smart asks for nothing beyond the download.

## The numbers

| Metric | SDS Smart | Compress PDF |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 7 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Bradley Smith](https://appshunter.io/developer/1589269433) | [PremiumAl Limited](https://appshunter.io/developer/1865407557) |

## What reviewers say

### SDS Smart

[App page](https://appshunter.io/ios/app/sds-smart/id6450719588)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is SDS Smart free?

SDS Smart is free to download, with no in-app purchases.

### Is Compress PDF free?

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

### Do SDS Smart or Compress PDF have ads?

Neither SDS Smart nor Compress PDF shows ads.

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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.*