Rassel - Pocket shaker

Rassel - Pocket shaker

By Klevgränd produkter AB

Rassel is a percussion instrument app that utilizes the iPhone's gyroscope to simulate realistic shaking sounds. It distinguishes itself from competitors through a proprietary audio rendering engine that maps device movement directly to instrument velocity.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Musicians and hobbyists looking for a responsive, lifelike digital percussion tool.

What does it look like?

Key features

Instrument Varietystandard

Includes four distinct percussion sounds: Egg, Shaker, Tambourine, and Bells.

Physics-Based Audio Enginestandard

Maps gyroscope data to continuous velocity changes for realistic sound response.

Customizable Sensitivitystandard

Allows users to toggle between loose, normal, and tight agitation settings.

Loudness Booststandard

Provides an optional setting to increase the output volume of the instruments.

How much does it cost?

paid

Velocity

Dormant developmentShow more...

3 versions in history. Development pace: zombie.

See all version history

Who built it?

Klevgränd produkter AB

13+ apps tracked · Music

Baervaag - FM SynthesizerBaervaag - FM SynthesizerHaaze 2Haaze 2Grand Finale 2Grand Finale 2DAW CassetteDAW CassetteSyndt - Polyphonic SynthesizerSyndt - Polyphonic SynthesizerPads - Lush Pad SynthesizerPads - Lush Pad SynthesizerSyndtSphereSyndtSphereSquashIt multiband distortionSquashIt multiband distortionSpeldosaSpeldosaJussi - Vocal SynthesizerJussi - Vocal SynthesizerMotion ControllerMotion ControllerOneShot - Drum SamplerOneShot - Drum Sampler
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.74 · 78

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Rassel - Pocket shaker

How's the Music market?

The rivals identified

Jingle+
Jingle+active nemesis

By Charlie Williams

Both apps target musicians and hobbyists with paid percussion simulators that rely on motion-based input and share an identical price point of 0.99 dollars.

  • Rassel provides customizable sensitivity and loudness boost settings, whereas Jingle+ lacks these specific audio control features.
  • Rassel utilizes a proprietary audio rendering engine for velocity mapping, while Jingle+ relies on standard accelerometer data.
Rassel - Pocket shaker vs Jingle+

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for Rassel - Pocket shaker

Where is it heading?

Bottom line

Rassel focuses on high-fidelity motion-to-sound mapping to provide a realistic percussion experience on mobile devices.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Rassel - Pocket shaker, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Rassel - Pocket shaker Intelligence Report.” Updated Apr 21, 2026. https://marlvel.ai/apps/com-klevgrand-eggg

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