# Spam Text Blocker vs PDF workbench

The clearest difference is ads: Spam Text Blocker at none against PDF workbench's shown. Spam Text Blocker also leads on ratings volume (11 vs 2). PDF workbench's advantage is rating (5.0 vs 4.5) and device support (3 vs 1). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Spam Text Blocker sells 4 in-app purchases, starting at $1.49 per month and PDF workbench sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PDF workbench holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Spam Text Blocker has 11 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Spam Text Blocker ships an update every 3 weeks, PDF workbench every 2 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | Spam Text Blocker | PDF workbench |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/spam-text-blocker-filtera/id6741700342/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pdf-workbench-convert-and-edit/id6742145977/reviews)** |
| Number of ratings | **11** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 27 MB | 27 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dimas Ashidiqi](https://appshunter.io/developer/1698444614) | [NOVASCRIPTUM LLC](https://appshunter.io/developer/1797063657) |

## What reviewers say

### Spam Text Blocker

[App page](https://appshunter.io/ios/app/spam-text-blocker-filtera/id6741700342)

Automatically detect and block unwanted text messages using on-device AI. Keep your inbox clean and secure with customizable filters for SMS and RCS. Enjoy a distraction-free messaging experience.

**Highlights:** Automatic spam blocking with AI, On-device privacy, Customizable filters, SMS & RCS message filtering, Blocks 99% of spam texts

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.49 | per month |
| Yearly Pro | $9.99 | per year |
| Lifetime Pro | $11.99 | one-time |
| Lifetime Pro | $14.99 | one-time |


### PDF workbench

[App page](https://appshunter.io/ios/app/pdf-workbench-convert-and-edit/id6742145977)

Edit, convert, and manage PDF documents with a comprehensive suite of tools. Transform images and documents into PDFs, extract text, merge files, and secure your documents with passwords and watermarks. Offers batch processing and an intuitive interface for efficient mobile PDF management.

**Highlights:** Convert images and documents to PDF, Convert PDFs to Word, JPEG, PNG, Merge and split PDF files, Add digital signatures and watermarks, Password protection for PDFs, Compress PDF file size, OCR text extraction

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Spam Text Blocker free?

Spam Text Blocker is free to download, with in-app purchases available.

### Is PDF workbench free?

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

### Which has better reviews, Spam Text Blocker or PDF workbench?

PDF workbench is rated higher. Spam Text Blocker averages 4.5 out of 5 from 11 ratings, while PDF workbench averages 5.0 from 2 ratings.

### Do Spam Text Blocker or PDF workbench have ads?

PDF workbench shows ads; Spam Text Blocker does not.

### Which is updated more often, Spam Text Blocker or PDF workbench?

Spam Text Blocker ships an update every 3 weeks, and PDF workbench every 2 weeks. Most recently, Spam Text Blocker was updated on November 4, 2026 and PDF workbench on November 4, 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.*