# Smart Tools! vs PDF Slim

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

Both are free to download. Smart Tools! sells 1 one-off in-app purchase and PDF Slim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Smart Tools! ships an update every 10 days, PDF Slim weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Smart Tools! | PDF Slim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-slim-reduce-pdf-size/id6787603119/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 76 MB | 14 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) | [MBG Studio](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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### PDF Slim

[App page](https://appshunter.io/ios/app/pdf-slim-reduce-pdf-size/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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Smart Tools! free?

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

### Is PDF Slim free?

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

### 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 every 10 days, and PDF Slim weekly. Most recently, Smart Tools! was updated on October 25, 2026 and PDF Slim on October 24, 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.*