# FREE Drum Filter vs RTP

The clearest difference is update cadence: RTP at every 8 months against FREE Drum Filter's every 21 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for FREE Drum Filter against 5.0 for RTP. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

FREE Drum Filter ships an update every 21 months, RTP every 8 months. The most recent releases landed on October 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FREE Drum Filter | RTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/free-drum-filter/id1597472915/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/rtp-midi-network-midi/id6759605773/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 17 MB | 1 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tu Tran Anh](https://appshunter.io/developer/1597473247) | [Ryouta Kira](https://appshunter.io/developer/862984358) |

## What reviewers say

### FREE Drum Filter

[App page](https://appshunter.io/ios/app/free-drum-filter/id1597472915)

This application works with an IoT box to monitor and control a specialized mechanical filter for Koi ponds. It automatically removes debris and fish waste, providing real-time status updates and alerts for connection, operation, and water levels.

**Highlights:** Real-time monitoring of connection and operation status, Push notifications for alarms and warnings, Control of automated washing cycles, Water level status monitoring, Rinse cycle counting and logging, Support for multiple devices, Dual language support (English/Vietnamese)

**In-app purchases:** none


### RTP

[App page](https://appshunter.io/ios/app/rtp-midi-network-midi/id6759605773)

This utility app simplifies network MIDI connections on iOS and iPadOS. It allows users to create and manage RTP-MIDI sessions directly from their devices, making them system-wide available for other CoreMIDI-compatible music apps. Control synths and DAWs wirelessly without needing a computer.

**Highlights:** RTP-MIDI session management, System-wide availability for CoreMIDI apps, Manual host connection via Contacts, Wireless MIDI routing, No Mac or PC required

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FREE Drum Filter free?

FREE Drum Filter is free to download, with no in-app purchases.

### Is RTP free?

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

### Which has better reviews, FREE Drum Filter or RTP?

FREE Drum Filter and RTP are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do FREE Drum Filter or RTP have ads?

Neither FREE Drum Filter nor RTP shows ads.

### Which is updated more often, FREE Drum Filter or RTP?

FREE Drum Filter ships an update every 21 months, and RTP every 8 months. Most recently, FREE Drum Filter was updated on October 2, 2026 and RTP on October 24, 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.*