# Message Keyword Filter vs AiFBMS

The clearest difference is price: AiFBMS at Free against Message Keyword Filter's $0.99. AiFBMS also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 2 months). On ads and device support there is nothing between them.

AiFBMS is free to download; Message Keyword Filter costs $0.99 up front. Message Keyword Filter sells 1 one-off in-app purchase. AiFBMS asks for nothing beyond the download.

Message Keyword Filter ships an update every 2 months, AiFBMS every 3 weeks. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Message Keyword Filter | AiFBMS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 8 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Planeta Pigra Co., Ltd.](https://appshunter.io/developer/1738642017) | [SOFTMILE corp.](https://appshunter.io/developer/1698063078) |

## 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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support developer | $2.99 | one-time |


### AiFBMS

[App page](https://appshunter.io/ios/app/aifbms/id6451402015)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Message Keyword Filter free?

Message Keyword Filter costs $0.99, and also offers in-app purchases.

### Is AiFBMS free?

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

### Do Message Keyword Filter or AiFBMS have ads?

Neither Message Keyword Filter nor AiFBMS shows ads.

### Which is updated more often, Message Keyword Filter or AiFBMS?

Message Keyword Filter ships an update every 2 months, and AiFBMS every 3 weeks. Most recently, Message Keyword Filter was updated on September 16, 2026 and AiFBMS on September 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.*