---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Atom | Piano Roll 2"
developer_entity: "Victor Porof"
bundle_id: "com.victorporof.AtomPianoRoll"
app_store_id: "1536259776"
category: "Music"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2021-05-29"
report_date: "2026-08-16"
last_verified: "2026-08-16T00:00:00.000Z"
report_version: "2.0.10"
total_reviews: 96
overall_rating: 4.5
sentiment: "Excited"
sentiment_score: 65
confidence: "high"
confidence_score: 0.7
top_praise_theme: "Deep MIDI sequencing capabilities provide a professional-grade workflow for mobile music production enthusiasts"
top_complaint_theme: "Lack of mouse and trackpad support forces reliance on touch input, hindering productivity for desktop-style workflows"
review_sample_size: 73
total_review_count: 73
analyzed_review_count: 73
data_age_days: 46
momentum_velocity: "zombie"
intelligence_version: 10
nemesis: "BandLab – Music Maker & Beats"
competitor_count: 11
tags: ["music", "paid", "excited sentiment", "mobile app", "app review", "app analysis", "professional", "music", "producers"]
canonical_url: "https://marlvel.ai/apps/atom-piano-roll-2"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Atom | Piano Roll 2 Intelligence Report

## TL;DR {#tldr}

- **Category**: Music · Paid
- **Signal**: Rating 4.48 · Sentiment Excited
- **Recent focus**: Lack of mouse and trackpad support forces reliance on touch input, hindering productivity for desktop-style workflows (top complaint) · Deep MIDI sequencing capabilities provide a professional-grade workflow for mobile music production enthusiasts (top praise)

> **TL;DR:** Atom | Piano Roll 2 is a music app by Victor Porof, rated 4.48/5 by 96 users, with Excited user sentiment (65/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Atom | Piano Roll 2 maintains Excited user sentiment (4.48/5 from 96 reviews), with users consistently praising deep midi sequencing capabilities provide a professional-grade workflow for mobile music production enthusiasts.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.48/5 (96 reviews) |
| **User Mood** | Excited |
| **Category** | Music |
| **Developer** | Victor Porof |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | High (0.7/1.0) |
| **Data Age** | 46d |

## Metadata & Market Performance
- **Publisher:** Victor Porof
- **Category:** Music
- **Target Audience:** Professional music producers and composers using iOS-based DAWs who require advanced MIDI sequencing and custom scripting.
- **Platforms:** iOS
- **Version Reviewed:** 2.0.10
- **Report Date:** 2026-08-16
- **Signal Count:** 73 reviews analyzed
- **Confidence:** High (0.7/1.0)
- **App Store ID (iOS):** 1536259776
- **Bundle ID:** com.victorporof.AtomPianoRoll
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-16

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Atom | Piano Roll 2 is an advanced AUv3 MIDI note editor and modular sequencer for iOS, designed to function as a plugin within compatible audio host applications.
**Why users hire it:** It removes the constraints of basic piano rolls by providing granular polyrhythmic editing and custom scripting, which professional composers require for complex MIDI workflows.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Scripting Playground:** Customizable workflow via user-written code to control hardware devices or modify plugin behavior.
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Differentiator] Visibility Layers:** Overlay patterns from other plugin instances to visually align harmonies and melodies.
- **[Standard] AUv3 MIDI Sequencing:** Modular MIDI note editor and clip launcher for use within compatible hosts like AUM and Drambo.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Atom | Piano Roll 2 holds a niche position in the Music category, currently ranking in the top 75 Paid Music apps across multiple international markets. The lack of updates since 2021 limits its ability to capture new users compared to actively maintained production suites.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** One-time purchase at $19.99
- **Price:** iOS: $19.99
- **Analysis:** The $19.99 one-time purchase targets professional users seeking specialized MIDI tools without recurring subscription costs.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 73 of 73 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.48/5
- **Platform Split:** iOS 4.5/5 (96 ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **Deep MIDI sequencing capabilities provide a professional-grade workflow for mobile music production enthusiasts**
- **Seamless integration with audio host applications enables complex routing for live performance and studio setups**
- **Layered MIDI note editing and pattern manipulation tools allow for intricate musical compositions on mobile**

### Top Complaints (Impact Areas)

- **Lack of mouse and trackpad support forces reliance on touch input, hindering productivity for desktop-style workflows**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Scripting playground enables custom hardware control
- Visibility layers allow precise polyrhythmic alignment

**Growth Levers:**
- Native integration with Logic Pro for iPad
- Visual MIDI CC curve automation editors


<!-- /section:swot -->
<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Atom | Piano Roll 2 vs BandLab – Music Maker & Beats
- **[BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats)** by BandLab Singapore Pte Ltd: BandLab competes by offering a comprehensive, cloud-integrated production ecosystem that captures the same mobile-first music creators who use Atom for MIDI sequencing.
  - **Key differences:**
    - Offers integrated AI song generation and stem separation tools that Atom currently lacks entirely
    - Provides a massive cloud-synced social platform that creates strong network effects for collaborative music production
    - Operates as a full-featured DAW, whereas Atom is strictly a MIDI-focused plugin requiring external hosts

### Contenders (Strong Challengers)
- **[Analog Rack Cleaner](https://marlvel.ai/apps/analog-rack-cleaner)** by Nembrini Audio: This app competes for the same professional audio production audience by providing specialized signal processing tools that complement Atom's MIDI workflow.
  - Focuses on high-fidelity audio cleanup and filtering rather than MIDI note manipulation
  - Utilizes specialized tube preamp circuit modeling to provide distinct analog warmth to digital signals
- **[Mid-Side Continuum](https://marlvel.ai/apps/mid-side-continuum)** by quantovox: It targets the same power-user demographic by offering advanced stereo field manipulation that is essential for mixing MIDI-generated tracks.
  - Provides granular control over Mid-Side encoding that is absent in Atom's MIDI-centric feature set
  - Features unique width-preserving panning algorithms that offer a different sonic result than standard MIDI panning
- **[Black Distortion](https://marlvel.ai/apps/black-distortion)** by Nembrini Audio: This app competes for the same creative production budget by offering high-quality sound-shaping tools that users apply to the output of Atom's MIDI sequences.
  - Delivers authentic RAT2 pedal modeling for guitar-centric distortion, a specific sound Atom cannot generate
  - Offers versatile signal routing options that allow for more complex sound design than Atom's MIDI editor
- **[Delay3000 Vintage Modern](https://marlvel.ai/apps/delay3000-vintage-modern)** by Nembrini Audio: It competes by providing essential post-processing effects that are necessary for turning Atom's raw MIDI output into finished musical sounds.
  - Features dual-voice circuitry and custom saturation that adds character to dry MIDI-triggered instrument sounds
  - Includes advanced multitap processing capabilities that exceed the standard delay functions found in basic hosts

### Peers (What They Do Better)
- **[04 Limited Sazabys 公式アプリ](https://marlvel.ai/apps/com-fourlimitedsazabys-sp)** by Fanplus, Inc.: While in the music category, it serves the fan-engagement market rather than the production market, representing a different use case for the same user base.
  - Focuses on fan-club services and ticket management rather than music creation or MIDI editing
  - Provides exclusive artist-to-fan communication channels that are irrelevant to Atom's production-focused user base
- **[PolyNome: THE Metronome](https://marlvel.ai/apps/com-larryland-polyrhythmicmetronome)** by PolyNome Ltd: It competes for the time and attention of musicians who require precise timing and sequencing tools for practice and composition.
  - Includes a dedicated practice log and analytics engine to track user progress over time
  - Offers specialized rhythm sequencing and song mapping features tailored for drummers and live performers
- **[LiveTrackz - Live Music Loops](https://marlvel.ai/apps/com-livetrackz-android)** by FOUR-FOUR SOFTWARE INC.: It serves musicians looking for pre-made assets to integrate into their projects, acting as a content-based alternative to Atom's generative MIDI approach.
  - Provides a massive library of ready-to-use audio loops, bypassing the need for manual MIDI sequencing
  - Focuses on immediate playback and timing reliability for live performance rather than deep note editing
- **[Aurender Conductor for iPhone](https://marlvel.ai/apps/com-aurender-aurender-ios)** by Aurender Inc.: It occupies the high-end audio space, competing for the same professional-grade hardware users who utilize Atom in their studio setups.
  - Designed specifically for controlling high-end lossless playback hardware rather than creating new musical content
  - Integrates deeply with audiophile server systems to manage large-scale high-resolution music libraries

### New Kids on the Block (What's Innovative)
- **[LyricVault](https://marlvel.ai/apps/lyricvault)** by Gregory Roll: It targets the songwriting workflow, capturing the creative process that often precedes or follows the MIDI sequencing performed in Atom.
  - Provides a dedicated environment for lyric organization and formatting that complements Atom's musical note editing
- **[WristMusic Sync](https://marlvel.ai/apps/wristmusic-sync)** by John Ostlund: It addresses the utility needs of mobile musicians, competing for the same workflow efficiency that Atom users prioritize.
  - Enables direct WiFi music library synchronization, solving the common pain point of manual file management

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v2.0.10, 5 years ago):** Introduced infinite undo, exclusive channel toggling, and a MIDI Note Data example style. Enhanced configuration flexibility by allowing simultaneous use of custom styles like Larger Controls and Larger Fonts.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- No updates for 1,887 days.
- Maintenance-mode status limits growth.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 1887 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Atom | Piano Roll 2 is a market-leading music app that is a paid app.
With a 4.48/5 rating from 96 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** The lack of development since 2021 has turned a professional-grade tool into a stability risk. Addressing the session-saving crashes is the only way to retain the power-user base before they migrate to actively maintained alternatives.
<!-- speakable-end -->

**Best for:** Professional music producers and composers using iOS-based DAWs who require advanced MIDI sequencing and custom scripting.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] Audit session-saving logic because crashes are the top-reported stability complaint → improve retention
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- AI song generation and stem separation (available in BandLab)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Declining

The mobile music production market is consolidating around DAWs that offer frequent updates and native hardware support. Atom | Piano Roll 2 remains in maintenance mode, leaving it exposed to competitors that offer better stability and modern workflow integration.

- 🔴 The 1,887-day update gap signals a maintenance-only posture, which erodes trust among professional users who require modern DAW compatibility.
- 🔴 Persistent crashes during session saving in host environments lead to data loss, which directly triggers negative sentiment and churn.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.48/5 |
| Total Reviews | 96 |
| Sentiment | Excited (65/100) |
| Confidence | High |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Atom | Piano Roll 2** (this app) | 4.48/5 | Excited | Victor Porof |
| [PolyNome: THE Metronome](https://marlvel.ai/apps/com-larryland-polyrhythmicmetronome) | 4.7/5 | Excited | PolyNome Ltd |
| [LiveTrackz - Live Music Loops](https://marlvel.ai/apps/com-livetrackz-android) | 4.6/5 | N/A | FOUR-FOUR SOFTWARE INC. |
| [Aurender Conductor for iPhone](https://marlvel.ai/apps/com-aurender-aurender-ios) | 3.3/5 | N/A | Aurender Inc. |
| [04 Limited Sazabys 公式アプリ](https://marlvel.ai/apps/com-fourlimitedsazabys-sp) | 4.4/5 | N/A | Fanplus, Inc. |
| [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.7/5 | Excited | BandLab Singapore Pte Ltd |

## Company Profile
- **Developer:** Victor Porof
- **Website:** [https://www.audioveek.com](https://www.audioveek.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/atom-piano-roll-2/id1536259776?uo=4)
- **Dev Site:** [Official Website](https://www.audioveek.com)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*PolyNome: THE Metronome*](https://marlvel.ai/apps/com-larryland-polyrhythmicmetronome) (PolyNome Ltd) · 4.7/5 Rating | Positive Sentiment
- [*LiveTrackz - Live Music Loops*](https://marlvel.ai/apps/com-livetrackz-android) (FOUR-FOUR SOFTWARE INC.) · 4.6/5 Rating
- [*Aurender Conductor for iPhone*](https://marlvel.ai/apps/com-aurender-aurender-ios) (Aurender Inc.) · 3.3/5 Rating
- [*04 Limited Sazabys 公式アプリ*](https://marlvel.ai/apps/com-fourlimitedsazabys-sp) (Fanplus, Inc.) · 4.4/5 Rating
- [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) · 4.7/5 Rating | Positive Sentiment
- [*WristMusic Sync*](https://marlvel.ai/apps/wristmusic-sync) (John Ostlund) · N/A Rating
- [*Mid-Side Continuum*](https://marlvel.ai/apps/mid-side-continuum) (quantovox) · 5.0/5 Rating
- [*Analog Rack Cleaner*](https://marlvel.ai/apps/analog-rack-cleaner) (Nembrini Audio) · 5.0/5 Rating
- [*Black Distortion*](https://marlvel.ai/apps/black-distortion) (Nembrini Audio) · 5.0/5 Rating
- [*Delay3000 Vintage Modern*](https://marlvel.ai/apps/delay3000-vintage-modern) (Nembrini Audio) · 5.0/5 Rating

## Frequently Asked Questions {#faq}

### Is Atom | Piano Roll 2 a standalone app?

No, it is an AUv3 MIDI plugin that requires a compatible host application like AUM or Drambo to function.

### How does Atom | Piano Roll 2 compare to BandLab?

Atom | Piano Roll 2 is a specialized MIDI-sequencing plugin for power users, whereas BandLab is a full-featured, cloud-integrated DAW with built-in social and AI tools.

### Does Atom | Piano Roll 2 support mouse and trackpad input?

No, users report that the app currently lacks support for mouse and trackpad input, forcing reliance on touch controls.

### What are some alternatives for MIDI sequencing on iOS?

Users looking for alternatives should consider full-featured DAWs like Drambo or other dedicated MIDI sequencers that offer active development and modern input support.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 73
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 46 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/atom-piano-roll-2)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.