# SMS SPAM Filter vs Block

The clearest difference is in-app purchases: SMS SPAM Filter at none against Block's 2. SMS SPAM Filter also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). Block's advantage is rating (4.1 vs 3.8). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Block sells 2 in-app purchases, starting at $12.99 per 3 months. SMS SPAM Filter asks for nothing beyond the download.

Block holds the better App Store score, 4.1 against 3.8. Both are backed by a comparable volume of ratings — 9 and 18 respectively. Written reviews complicate that: 33% of SMS SPAM Filter's written reviews are positive against 30% of Block's, so the app with the better star average is not the one people write more warmly about.

SMS SPAM Filter ships an update weekly, Block every 2 weeks. The most recent releases landed on September 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SMS SPAM Filter | Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (9 ratings)](https://appshunter.io/ios/app/sms-spam-filter/id1448980270/reviews) | **[4.1 (18 ratings)](https://appshunter.io/ios/app/block-spam/id1563456455/reviews)** |
| Number of ratings | 9 | **18** |
| Positive reviews | **33.3% of reviews** | 30.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 44 MB | 22 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michal Indra](https://appshunter.io/developer/1256483572) | [ALBERT PAMIES PARES](https://appshunter.io/developer/1435109345) |

## What reviewers say

### SMS SPAM Filter

[App page](https://appshunter.io/ios/app/sms-spam-filter/id1448980270)

Block unwanted SMS messages with customizable rules and AI-powered evaluation. Protect your privacy by filtering messages based on sender, content, or country code, all processed offline on your device.

**Highlights:** Customizable blocking rules, Block by expression, Block by phone number, Block by country code, Block by area code, AI-powered message evaluation, Offline processing

**In-app purchases:** none


### Block

[App page](https://appshunter.io/ios/app/block-spam/id1563456455)

This app acts as a telephone firewall, providing control over incoming calls and protection from spam. It identifies and blocks unwanted numbers, alerts you to potential spam, and allows you to look up numbers for spam reports. Take back control of your privacy and reduce nuisance calls.

**Highlights:** Block spam numbers, Alerts for incoming spam calls, Phone number lookup for spam reports, Block international numbers, Wildcard blocking for number ranges

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 3 Months | $12.99 | per 3 months |
| Premium Annual | $34.99 | per year |


## Frequently asked questions

### Is SMS SPAM Filter free?

SMS SPAM Filter is free to download, with no in-app purchases.

### Is Block free?

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

### Which has better reviews, SMS SPAM Filter or Block?

Block is rated higher. SMS SPAM Filter averages 3.8 out of 5 from 9 ratings, while Block averages 4.1 from 18 ratings.

### Do SMS SPAM Filter or Block have ads?

Block shows ads; SMS SPAM Filter does not.

### Which is updated more often, SMS SPAM Filter or Block?

SMS SPAM Filter ships an update weekly, and Block every 2 weeks. Most recently, SMS SPAM Filter was updated on September 16, 2026 and Block on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*