# Word Filter X vs Notepad AI

The clearest difference is price: Notepad AI at Free against Word Filter X's $2.99. Notepad AI also leads on update cadence (every 4 days vs every 5 weeks) and iOS requirement (14.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Notepad AI is free to download; Word Filter X costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Word Filter X ships an update every 5 weeks, Notepad AI every 4 days. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Word Filter X | Notepad AI |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/word-filter-x/id1668831130/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Paid | — |
| Size | 21 MB | 10 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keisuke Chinone](https://appshunter.io/developer/1586934587) | [Diep Quoc Vuong](https://appshunter.io/developer/1787632957) |

## What reviewers say

### Word Filter X

[App page](https://appshunter.io/ios/app/word-filter-x/id1668831130)

This utility app allows users to block and replace specific words on Safari websites to create a more pleasant browsing experience. It offers iCloud synchronization for settings, customizable blocking and replacement options, and supports multiple languages. The application is also available on macOS.

**Highlights:** Block and replace words on Safari, iCloud synchronization of settings, Customizable word blocking and replacement, Share settings via JSON, Supports English, French, and Japanese, Available on macOS

**Features:** Safari Extension

**In-app purchases:** none


### Notepad AI

[App page](https://appshunter.io/ios/app/notepad-ai-c-plus-plus/id6754082567)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Word Filter X free?

Word Filter X costs $2.99, with no in-app purchases.

### Is Notepad AI free?

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

### Do Word Filter X or Notepad AI have ads?

Neither Word Filter X nor Notepad AI shows ads.

### Which is updated more often, Word Filter X or Notepad AI?

Word Filter X ships an update every 5 weeks, and Notepad AI every 4 days. Most recently, Word Filter X was updated on October 3, 2026 and Notepad AI on October 10, 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.*