# Message Keyword Filter vs invsi

The clearest difference is review sentiment: invsi at 100% against Message Keyword Filter's 25%. invsi also leads on price (Free vs $0.99) and update cadence (fortnightly vs every 2 months). On ads and in-app purchases there is nothing between them.

invsi is free to download; Message Keyword Filter costs $0.99 up front. Message Keyword Filter sells 1 one-off in-app purchase and invsi sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Message Keyword Filter ships an update every 2 months, invsi fortnightly. The most recent releases landed on September 16, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Message Keyword Filter | invsi |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.1 (8 ratings)](https://appshunter.io/ios/app/invsi/id6444667120/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 41 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Planeta Pigra Co., Ltd.](https://appshunter.io/developer/1738642017) | [新坤 杨](https://appshunter.io/developer/1655993145) |

## 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 |


### invsi

[App page](https://appshunter.io/ios/app/invsi/id6444667120)

This app helps parents manage their children's device usage by controlling screen time and blocking inappropriate content. It offers a local-only experience with no ads or registration, prioritizing user privacy.

**Highlights:** Screen time management, Content blocking, No advertisements, Local data storage, No registration required, Premium features via subscription

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $0.99 | per month |
| Invsi PRO (Annual) | $4.99 | per year |
| Unlock Application Icon | $0.99 | one-time |
| Lifetime PRO | $14.99 | one-time |


## Frequently asked questions

### Is Message Keyword Filter free?

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

### Is invsi free?

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

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

Neither Message Keyword Filter nor invsi shows ads.

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

Message Keyword Filter ships an update every 2 months, and invsi fortnightly. Most recently, Message Keyword Filter was updated on September 16, 2026 and invsi on August 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.*