# Message Keyword Filter vs Spam Text Blocker

The clearest difference is price: Spam Text Blocker at Free against Message Keyword Filter's $0.99. Spam Text Blocker also leads on review sentiment (50% vs 29%) and ratings volume (36 vs 1). Message Keyword Filter's advantage is rating (5.0 vs 4.4) and in-app purchases (none vs 4). On update cadence, ads and device support there is nothing between them.

Spam Text Blocker is free to download; Message Keyword Filter costs $0.99 up front. Spam Text Blocker sells 4 in-app purchases, starting at $0.49 per 7 days. Message Keyword Filter asks for nothing beyond the download.

Message Keyword Filter holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Spam Text Blocker has 36 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 29% of Message Keyword Filter's written reviews are positive against 50% of Spam Text Blocker's, so the app with the better star average is not the one people write more warmly about.

Message Keyword Filter ships an update every 2 months, Spam Text Blocker every 6 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Message Keyword Filter | Spam Text Blocker |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/message-keyword-filter/id1672730162/reviews)** | [4.4 (36 ratings)](https://appshunter.io/ios/app/spam-text-blocker-spamoff/id6444895726/reviews) |
| Number of ratings | 1 | **36** |
| Positive reviews | 28.6% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 10 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Planeta Pigra Co., Ltd.](https://appshunter.io/developer/1738642017) | [Aleksandr Gubanov](https://appshunter.io/developer/1720518583) |

## What reviewers say

### Message Keyword Filter

[App page](https://appshunter.io/ios/app/message-keyword-filter/id1672730162)

This utility helps manage SMS messages by filtering content based on keywords and senders. It utilizes iOS system extensions for secure, private message classification without data leakage.

**Highlights:** Keyword-based SMS filtering, Sender-specific filtering, Automatic message classification, Secure iOS system extensions, Privacy protection, Easy-to-use interface

**In-app purchases:** none


### Spam Text Blocker

[App page](https://appshunter.io/ios/app/spam-text-blocker-spamoff/id6444895726)

This app offers a smarter way to manage your SMS inbox by filtering unwanted messages. It utilizes a whitelist system to allow texts from trusted sources while automatically detecting and prioritizing important codes like OTPs. Enjoy enhanced privacy with on-device processing and a completely ad-free experience.

**Highlights:** Whitelist-based SMS filtering, Mute unknown senders, Automatic OTP detection, Custom message templates, Targeted filtering via SIM profiles, 100% on-device processing, Ad-free and tracker-free

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.49 | per 7 days |
| Monthly | $0.99 | per month |
| Yearly | $3.99 | per year |
| Lifetime | $1.49 | one-time |


## Frequently asked questions

### Is Message Keyword Filter free?

Message Keyword Filter costs $0.99, with no in-app purchases.

### Is Spam Text Blocker free?

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

### Which has better reviews, Message Keyword Filter or Spam Text Blocker?

Message Keyword Filter is rated higher. Message Keyword Filter averages 5.0 out of 5 from 1 ratings, while Spam Text Blocker averages 4.4 from 36 ratings.

### Do Message Keyword Filter or Spam Text Blocker have ads?

Neither Message Keyword Filter nor Spam Text Blocker shows ads.

### Which is updated more often, Message Keyword Filter or Spam Text Blocker?

Message Keyword Filter ships an update every 2 months, and Spam Text Blocker every 6 weeks. Most recently, Message Keyword Filter was updated on November 7, 2026 and Spam Text Blocker on November 3, 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.*