# Message Keyword Filter vs Post Saver

The clearest difference is price: Post Saver at Free against Message Keyword Filter's $0.99. Post Saver also leads on update cadence (every 3 days vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Post Saver is free to download; Message Keyword Filter costs $0.99 up front. Message Keyword Filter sells 1 one-off in-app purchase and Post Saver sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Message Keyword Filter ships an update every 2 months, Post Saver every 3 days. The most recent releases landed on October 22, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Message Keyword Filter | Post Saver |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/message-keyword-filter/id1672730162/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 15 MB | 5 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Planeta Pigra Co., Ltd.](https://appshunter.io/developer/1738642017) | [金苹 卢](https://appshunter.io/developer/1885537846) |

## 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 |


### Post Saver

[App page](https://appshunter.io/ios/app/post-saver-save-social-posts/id6816399878)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Post Saver Pro | $4.99 | one-time |


## Frequently asked questions

### Is Message Keyword Filter free?

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

### Is Post Saver free?

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

### Do Message Keyword Filter or Post Saver have ads?

Neither Message Keyword Filter nor Post Saver shows ads.

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

Message Keyword Filter ships an update every 2 months, and Post Saver every 3 days. Most recently, Message Keyword Filter was updated on October 22, 2026 and Post Saver on October 6, 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.*