# Drum rudiments trainer - DRT

> Full pack of 40 standard drum rudiments to improve your speed and coordination

Canonical page: [https://chrome-stats.com/d/com.SeaBream.DrumRudimentsTrainer](https://chrome-stats.com/d/com.SeaBream.DrumRudimentsTrainer)

## Overview

- **ID:** `com.SeaBream.DrumRudimentsTrainer`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** SeaBream
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 121,184
- **Rating:** 4.41 / 5 (692 ratings)
- **Version:** 1.25
- **Last updated:** 2025-09-19
- **First published:** 2021-02-10
- **Publisher country:** RU
- **Size:** 64 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.SeaBream.DrumRudimentsTrainer)
- **Website:** [https://cas.ai/](https://cas.ai/)
- **Privacy policy:** [https://sites.google.com/view/sea-bream-apps-drt-pp](https://sites.google.com/view/sea-bream-apps-drt-pp)

## Description

Drum Rudiments Trainer (DRT) is a versatile Chrome extension designed for drummers of all skill levels. It features a comprehensive library of 40 standard drum rudiments, including paradiddles and accents, to help you improve speed and coordination efficiently. With a user-friendly interface and vertical visual representations, you don't need to know musical notation to get started.

DRT offers customizable training options such as BPM control from 10 to 320, metronome synchronization with visual and audio cues, and multiple sound modes including distinct snare hits for left and right hands. Track your progression with detailed time statistics and enjoy battery-saving dark themes. Additional features like a rudiment editor with random shot generation and the ability to practice using just your hands make this extension perfect for beginners and seasoned drummers alike.

## Rankings

- #202,410 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.SeaBream.DrumRudimentsTrainer.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

The Drum Rudiments Trainer is praised for its ease of use, practice-tracking, and a feature-rich rudiment toolkit that helps beginners. However, repeated complaints center on ads and ad-removal paywalls, timing/sync problems, occasional stability issues, and some UI gaps that could be improved.

### Pros

- Easy to use with a straightforward UI.
- Helps with practice and tracks progress (running total of practice time) and supports building a daily routine.
- Comprehensive rudiment toolkit: all basic rudiments, metronome, randomizer, and custom rudiments with adjustable tempo.
- Great for beginners; helpful learning resources and posture reminders.
- Randomized practice (dice) adds variety and keeps sessions interesting.

### Cons

- Ads are intrusive and removing them is difficult due to payment issues (and some report being unable to buy an ad-free version).
- Timing and audio sync issues: strokes not on time and audio can desync; timer glitches.
- Occasional stability issues: navigation errors/JavaScript errors and occasional crashes.
- UI/UX gaps: missing pattern display and legend; GUI could be improved.
- Pricing concerns: some users consider the app too expensive.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.SeaBream.DrumRudimentsTrainer)