# RTA Pro vs Word Filter X

The clearest difference is review sentiment: RTA Pro at 50% against Word Filter X's 0%. RTA Pro also leads on rating (4.5 vs 2.5). Word Filter X's advantage is price ($2.99 vs $5.99) and update cadence (every 5 weeks vs every 3 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

RTA Pro costs $5.99 and Word Filter X $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RTA Pro holds the better App Store score, 4.5 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 50% of RTA Pro's written reviews are positive against 0% of Word Filter X's.

RTA Pro ships an update every 3 months, Word Filter X every 5 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RTA Pro | Word Filter X |
| --- | --- | --- |
| Price | $5.99 | **$2.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/rta-pro/id703753970/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/word-filter-x/id1668831130/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | Paid |
| Size | 12 MB | 21 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Schorer](https://appshunter.io/developer/290579382) | [Keisuke Chinone](https://appshunter.io/developer/1586934587) |

## What reviewers say

### RTA Pro

[App page](https://appshunter.io/ios/app/rta-pro/id703753970)

Transform your iOS device into a professional audio analysis tool. Analyze ambient noise frequencies, pinpoint room resonance, and set up sound systems for events. Features include custom calibration, multiple display modes, and adjustable speed settings.

**Highlights:** Real-time audio spectrum analysis, Frequency range 32Hz to 16kHz, Linear, dB(A), and dB(C) weightings, 1/3 Octave Bands, Octave Bands, and FFT display, Adjustable speed settings, Custom calibration options

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RTA Pro free?

RTA Pro costs $5.99, with no in-app purchases.

### Is Word Filter X free?

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

### Which has better reviews, RTA Pro or Word Filter X?

RTA Pro is rated higher. RTA Pro averages 4.5 out of 5 from 2 ratings, while Word Filter X averages 2.5 from 2 ratings.

### Do RTA Pro or Word Filter X have ads?

Neither RTA Pro nor Word Filter X shows ads.

### Which is updated more often, RTA Pro or Word Filter X?

RTA Pro ships an update every 3 months, and Word Filter X every 5 weeks. Most recently, RTA Pro was updated on October 26, 2026 and Word Filter X on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*