App Overview

Groove Rider 2 icon

Groove Rider 2

Dmitrij Pavlov · Music

What our users already say about GR-2:

$34.99 · In-app purchases

PRICE
$34.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.9
118 ratings · Top 5%

Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.

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A product spec, screen plans, and build steps for your coding agent.

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What's included18 files

A product spec, phased build plan, differentiation notes, and screen references.

  • START_HERE
  • AGENTS
  • EVIDENCE
  • SPEC
  • BUILD_PLAN
  • DIFFERENTIATION
  • skills/
  • screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.

Feature spec

Goal: Send a clear invoice after finishing a job.

  • Add a client, line items, a due date, and payment instructions.
  • Preview the total before exporting a PDF.
  • Keep an editable draft if export fails.

Screen plan

Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.

States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.

Differentiate and validate

Hypothesis: Contractors need faster repeat invoices more than more templates.

First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.

The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.

Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.

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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Groove Rider 2: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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Opportunities

AI-GENERATED OPPORTUNITY HYPOTHESES

These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.

Hypothesis 1

Offer a wider range of sounds and instruments.

Assumption to check: Limited sound library options compared to competitors.

Validate with people who use this workflow before building.

Hypothesis 2

Implement a guided tutorial for beginners.

Assumption to check: Steep learning curve for new users.

Validate with people who use this workflow before building.

Hypothesis 3

Optimize audio processing for smoother playback.

Assumption to check: Occasional performance issues during playback.

Validate with people who use this workflow before building.

App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

App Store description

What our users already say about GR-2: "This is the workflow Akai, Logic Pro, and all the others in my opinion are missing!" - App Store review "The sound engine is grand, the ease of use is great. At first glance it’s ticking all the boxes :)" - App Store review "The new standard of groovebox. Easy, quick, powerful, fun" - App Store review "Thanks for this great release! GR-16 was great. This is many magnitudes even greater!" - App Store review "Groove Rider 2 is a monster of an app. It’s all here.. so good… so slick… so musical… so fun" - App Store review ------- Groove Rider 2 takes you to the next level of mobile music production with a brand new workflow! Being perfectly balanced between a groove box and a DAW, GR-2 can boost your creative musical inspiration in a way you couldn't even imagine! • PERFORM LIVE SETS Use 16 x 16 clip launch grid and Ableton Link feature to synchronize GR-2 with other music apps and gear. Connect your midi controllers to control GR-2 parameters via midi. Crossfade between your patterns in a DJ style with onscreen crossfader and EQ controls! • CREATE FULL LENGTH TRACKS Timeline-based song mode editor allows you to arrange and edit midi clips in a professional DAW manner. Record and edit parameters automation. Copy, paste, duplicate clips as well as entire time ranges. Export & share your compositions as a master audio file or as separated stems. • SKETCH YOUR MUSICAL IDEAS - use layering for instruments (up to 3 layers per part) - process with built-in realtime insert effects (3 IFX per part) - tweak sound with 3-band EQ with visual controls - improvise with MFX (master effects) using onscreen XY controls (3 MFX per pattern) - add depth, using 2 Send / Return FX busses with up to 3 effect slots in each bus - resample what you hear and edit right in place with the built-in Sample Editor - save your own presets and drum sets with audio previews for further use in other compositions • USE BUILT-IN INSTRUMENTS Internal instruments include: - Sampler with realtime beat time stretching (Warp) and Slicing options, supports stereo samples of 16, 24 or 32 bit depth, up to 5 minutes long - 2-oscillator Synthesizer with over 280 oscillator preset programs, with Filter, ADSR and LFO modules - Sound Font 2 (sf2) sample bank player with ability to use imported sf2 banks - WaveTable synthesizer with ability to import user wavetables (Serum .wav format supported) - seamless integration with the JimAudio Poison-202 and Pure Acid apps (sold separately) allows to use their integrated modules in GR-2 without actually loading them as AUv3 audio units, which saves system resources and speeds up pattern loading process! - all internal synths allow customizing their micro scale tunings. FEATURES: • supports Ableton Link, AUv3 units hosting, AudioBus, Inter-App Audio, Core/Virtual Midi In/Out, Bluetooth Midi, Relative Midi knobs • Multi Core audio rendering • built-in Sample Editor with record audio function • convenient sample and preset browser with instant previewing • timeline-based song mode editor • can host AUv3 Audio Unit instruments, Effects and Midi FX • includes internal library of Factory samples, presets and patterns to start from • supports importing of patterns, created in Groove Rider GR-16 • supports import & export of Midi files • master or stems wav export • big variety of built-in effects include Delay, Chorus, Reverb, Shimmer, Pitch Shifter, Flangers, Phasers, Distortion & saturators, EQ, Filters, Slicers, Sidechain Compressor & Gate, Limiter, Maximizer and more! • supports Akai APC40 mkII, Novation Launchpad X, Launchpad Pro MK3 and Launchpad Mini MK3 controllers with full access to the session clip grid and various modes of GR-2! Designed for both iPad and iPhone iOS or iPadOS 16+ is required iPad Pro 2nd generation and newer is recommended for best experience Manual guide is available for download at https://www.jimaudio.pro

Written user reviews are not shown here. Check current App Store reviews >

Build scope

Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.

Define the first version

Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.

Set boundaries

Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.

Check the hard parts

Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.

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BUILD KIT DIFFICULTY
Advanced

From the Build Kit assessment.

A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.