# PDF Compressor vs Stash

The clearest difference is update cadence: PDF Compressor at fortnightly against Stash's every 3 months. PDF Compressor also leads on iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $8.99 per month and Stash sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF Compressor ships an update fortnightly, Stash every 3 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PDF Compressor | Stash |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 4 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soufiane Bouziane](https://appshunter.io/developer/1796428527) | [JOE DERYK POYNTON](https://appshunter.io/developer/1881998276) |

## What reviewers say

### PDF Compressor

[App page](https://appshunter.io/ios/app/pdf-compressor-compress-size/id6757967560)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $8.99 | per month |
| Yearly Subscription | $39.99 | per year |


### Stash

[App page](https://appshunter.io/ios/app/stash-know-your-stuff/id6761732694)

This app helps you track your belongings and know exactly where they are stored. It's like a digital inventory for your home, garage, or work bag, preventing you from buying duplicates and helping you manage quantities and expiry dates.

**Highlights:** Customizable location hierarchy, Item logging and tracking, Quantity and expiry date management, Low stock alerts, Restock list, Search and photo references, Cloud sync across Apple devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stash Pro | $4.99 | one-time |


## Frequently asked questions

### Is PDF Compressor free?

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

### Is Stash free?

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

### Do PDF Compressor or Stash have ads?

Neither PDF Compressor nor Stash shows ads.

### Which is updated more often, PDF Compressor or Stash?

PDF Compressor ships an update fortnightly, and Stash every 3 months. Most recently, PDF Compressor was updated on October 7, 2026 and Stash on October 13, 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.*