# Message Keyword Filter vs Secure Password Lock

The clearest difference is review sentiment: Secure Password Lock at 87% against Message Keyword Filter's 25%. Secure Password Lock also leads on in-app purchases (none vs 1) and update cadence (every 2 weeks vs every 2 months). On price and ads there is nothing between them.

Message Keyword Filter costs $0.99 and Secure Password Lock $0.99 up front. Message Keyword Filter sells 1 one-off in-app purchase. Secure Password Lock asks for nothing beyond the download.

Message Keyword Filter ships an update every 2 months, Secure Password Lock every 2 weeks. The most recent releases landed on September 16, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Message Keyword Filter | Secure Password Lock |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[4.5 (16 ratings)](https://appshunter.io/ios/app/secure-password-lock/id6449745506/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | 25.0% of reviews | **87.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 15 MB | 18 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Planeta Pigra Co., Ltd.](https://appshunter.io/developer/1738642017) | [运强 翁](https://appshunter.io/developer/1071832931) |

## 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 |


### Secure Password Lock

[App page](https://appshunter.io/ios/app/secure-password-lock/id6449745506)

This application helps you securely store and manage all your passwords in one place. It offers various unlock methods for quick and safe access to your accounts, from social media to banking.

**Highlights:** Local password storage, Gesture app lock, Face and fingerprint unlock, Add pictures to passwords, Custom password categories, Category management

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

**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 Secure Password Lock free?

Secure Password Lock costs $0.99, with no in-app purchases.

### Do Message Keyword Filter or Secure Password Lock have ads?

Neither Message Keyword Filter nor Secure Password Lock shows ads.

### Which is updated more often, Message Keyword Filter or Secure Password Lock?

Message Keyword Filter ships an update every 2 months, and Secure Password Lock every 2 weeks. Most recently, Message Keyword Filter was updated on September 16, 2026 and Secure Password Lock on September 22, 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.*