# WAlert vs Compress Pdf & Pdf Compressor

The clearest difference is rating: Compress Pdf & Pdf Compressor at 5.0 against WAlert's 1.0. WAlert's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Compress Pdf & Pdf Compressor sells 2 in-app purchases, starting at $4.99 per 7 days. WAlert asks for nothing beyond the download.

Compress Pdf & Pdf Compressor holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | WAlert | Compress Pdf & Pdf Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/walert/id1061590894/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/compress-pdf-and-pdf-compressor/id6756825736/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 26 MB | 34 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Danh Le Ngoc](https://appshunter.io/developer/1061590893) | [Kadir Kad](https://appshunter.io/developer/1859983148) |

## What reviewers say

### WAlert

[App page](https://appshunter.io/ios/app/walert/id1061590894)

**Features:** macOS Compatibility

**In-app purchases:** none


### Compress Pdf & Pdf Compressor

[App page](https://appshunter.io/ios/app/compress-pdf-and-pdf-compressor/id6756825736)

Easily compress, merge, and split PDF files directly on your device. This offline solution prioritizes speed and security, allowing you to manage your documents without an internet connection. Streamline your workflow with an intuitive interface for everyday use.

**Highlights:** Compress PDF files, Merge multiple documents, Split PDFs by page, Offline operation, Secure on-device processing, Intuitive user interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Lifetime Premium Access | $19.99 | one-time |


## Frequently asked questions

### Is WAlert free?

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

### Is Compress Pdf & Pdf Compressor free?

Compress Pdf & Pdf Compressor is free to download, with in-app purchases available.

### Which has better reviews, WAlert or Compress Pdf & Pdf Compressor?

Compress Pdf & Pdf Compressor is rated higher. WAlert averages 1.0 out of 5 from 1 ratings, while Compress Pdf & Pdf Compressor averages 5.0 from 2 ratings.

### Do WAlert or Compress Pdf & Pdf Compressor have ads?

Compress Pdf & Pdf Compressor shows ads; WAlert does not.

### Which is updated more often, WAlert or Compress Pdf & Pdf Compressor?

WAlert ships an update every 3 weeks, and Compress Pdf & Pdf Compressor every 3 weeks. Most recently, WAlert was updated on October 24, 2026 and Compress Pdf & Pdf Compressor 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.*