# Smart Tools! vs PDF Slim

The clearest difference is ads: Smart Tools! at none against PDF Slim's shown. PDF Slim's advantage is update cadence (daily vs weekly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Tools! ships an update weekly, PDF Slim daily. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Smart Tools! | PDF Slim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-slim-pdf-compressor/id6787603119/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Ad-supported |
| Size | 66 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VENUSAPPS PRIVATE LIMITED](https://appshunter.io/developer/6778693632) | [GwanRyel Lee](https://appshunter.io/developer/1401126212) |

## What reviewers say

### Smart Tools!

[App page](https://appshunter.io/ios/app/smart-tools/id6784640665)

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

**In-app purchases:** none


### PDF Slim

[App page](https://appshunter.io/ios/app/pdf-slim-pdf-compressor/id6787603119)

Reduce the size of your PDF files with adjustable quality settings. Save or share compressed documents directly from the application. Access detailed information about each PDF.

**Highlights:** Compress PDF files, Adjustable quality levels, Save compressed PDFs, Share instantly, View PDF details

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Tools! free?

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

### Is PDF Slim free?

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

### Do Smart Tools! or PDF Slim have ads?

PDF Slim shows ads; Smart Tools! does not.

### Which is updated more often, Smart Tools! or PDF Slim?

Smart Tools! ships an update weekly, and PDF Slim daily. Most recently, Smart Tools! was updated on September 14, 2026 and PDF Slim on September 9, 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.*