---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "VOLT Synth"
developer_entity: "Kai Aras"
bundle_id: "com.numerical.volt"
app_store_id: "1185984394"
category: "Music"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2020-10-27"
report_date: "2026-08-07"
last_verified: "2026-08-07T00:00:00.000Z"
report_version: "1.4.5"
total_reviews: 193
overall_rating: 4.6
sentiment: "Mixed"
sentiment_score: 45
confidence: "medium"
confidence_score: 0.6
top_praise_theme: "Expressive MPE integration allows musicians to apply modulation using touch gestures with high musicality"
top_complaint_theme: "Persistent application crashes and audio engine failures prevent reliable use in live performance environments"
review_sample_size: 26
total_review_count: 26
analyzed_review_count: 26
data_age_days: 79
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["music", "paid", "mixed sentiment", "mobile app", "app review", "app analysis", "electronic", "musicians", "synth"]
canonical_url: "https://marlvel.ai/apps/volt-synth"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# VOLT Synth Intelligence Report

## TL;DR {#tldr}

- **Category**: Music · Paid
- **Signal**: Rating 4.61 · Sentiment Mixed
- **Recent focus**: Persistent application crashes and audio engine failures prevent reliable use in live performance environments (top complaint) · Expressive MPE integration allows musicians to apply modulation using touch gestures with high musicality (top praise)

> **TL;DR:** VOLT Synth is a music app by Kai Aras, rated 4.61/5 by 193 users, with Mixed user sentiment (45/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** VOLT Synth shows Mixed sentiment (4.61/5 from 193 reviews) - users praise expressive mpe integration allows musicians to apply modulation using touch gestures with high musicality but report issues with persistent application crashes and audio engine failures prevent reliable use in live performance environments.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.61/5 (193 reviews) |
| **User Mood** | Mixed |
| **Category** | Music |
| **Developer** | Kai Aras |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Medium (0.6/1.0) |
| **Data Age** | 79d |

## Metadata & Market Performance
- **Publisher:** Kai Aras
- **Category:** Music
- **Target Audience:** Electronic musicians and synth enthusiasts who use MPE controllers or require professional-grade virtual analog synthesis in a mobile or desktop plugin format.
- **Platforms:** iOS
- **Version Reviewed:** 1.4.5
- **Report Date:** 2026-08-07
- **Signal Count:** 26 reviews analyzed
- **Confidence:** Medium (0.6/1.0)
- **App Store ID (iOS):** 1185984394
- **Bundle ID:** com.numerical.volt
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-08-07

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** VOLT Synth is a polyphonic virtual analog synthesizer for iOS, designed for musicians using MPE controllers.
**Why users hire it:** Users hire VOLT for professional-grade, expressive sound design that integrates with mobile audio workflows, replacing hardware-heavy setups.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] MPE Support:** Full support for MIDI Polyphonic Expression allowing per-note control of pitch, timbre, and dynamics.
- **[Standard] AUv3 Extension:** Audio Unit v3 support allows the synth to function as a plugin within other iOS and macOS host applications.
- **[Differentiator] Color-coded UI:** Interface controls use distinct colors to identify and adjust parameters without menu navigation.
<!-- /section:features -->

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

VOLT Synth maintains a high 4.61-star rating across 193 total ratings, reflecting its niche appeal to professional musicians. The lack of updates since 2020, however, signals a transition away from active market competition despite its strong initial feature set.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** iOS version at $19.99, macOS version at $29.99
- **Price:** iOS: $19.99
- **Analysis:** Direct paid model capturing value through one-time purchase rather than subscription.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 26 of 26 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.61/5
- **Platform Split:** iOS 4.6/5 (193 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Expressive MPE integration allows musicians to apply modulation using touch gestures with high musicality**
- **High quality vintage synth tones provide a satisfying sound palette for professional and hobbyist musicians**
- **Streamlined interface design makes complex sound shaping accessible for users on mobile devices**

### Top Complaints (Impact Areas)

- **Persistent application crashes and audio engine failures prevent reliable use in live performance environments**

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

**Core Strengths:**
- MPE support enables per-note modulation exceeding standard MIDI capabilities
- Color-coded UI reduces menu navigation for sound shaping

**Growth Levers:**
- Snapshot interpolation for morphing states would address top-requested feature gap


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app remains in a maintenance-mode state with no new features or pricing changes, but the intelligence report now emphasizes the risk of OS-level incompatibility.

**Overall trend**: Stable
**Compared at**: 2026-08-07

### Medium-impact changes
- **[Shifted] Increased focus on OS-level obsolescence** (positioning)
- **[Shifted] Developer communication as a churn driver** (swot)

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

- **Latest (v1.4.5, 5 years ago):** Fixed BLE MIDI connection crashes, effect control issues, and preset browser visibility on specific iPhone models.
<!-- /section:whats-new -->

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

- Quiet 5 years, bug fixes only.
- Last major release October 2020.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 2110 days since last update

<!-- /section:momentum -->

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

VOLT Synth is a music app that is a paid app.
With a 4.61/5 rating from 193 reviews, it shows mixed user reception.

<!-- speakable-start -->
> **Bottom Line:** VOLT Synth delivers high-fidelity expressive synthesis, but the five-year update gap and persistent audio crashes make it a risky choice for live performance, so the developer must prioritize engine stability to retain its professional user base.
<!-- speakable-end -->

**Best for:** Electronic musicians and synth enthusiasts who use MPE controllers or require professional-grade virtual analog synthesis in a mobile or desktop plugin format.

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

- [ ] [INVEST] Audit audio engine stability because persistent crashes are the #1 complaint → reduce churn
<!-- /section:pm-actions -->

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

The mobile music market is shifting toward subscription-based, actively updated synth engines that guarantee OS compatibility. VOLT Synth's maintenance-mode status leaves it exposed to churn as professional users migrate to platforms with consistent update cadences.

- 🔴 Persistent audio engine failures in the latest release erode professional trust, causing users to abandon the app for live performance workflows.
- ⚪ The five-year update gap suggests the developer has shifted focus, leaving the app vulnerable to OS-level audio framework changes.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.61/5 |
| Total Reviews | 193 |
| Sentiment | Mixed (45/100) |
| Confidence | Medium |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Stable |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **VOLT Synth** (this app) | 4.61/5 | Mixed | Kai Aras |
| [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.8/5 | Excited | BandLab Singapore Pte Ltd |
| [Suno - AI Songs, Music, Lyrics](https://marlvel.ai/apps/suno-ai-songs-music) | 4.0/5 | Mixed | Suno, Inc. |
| [ヨルシカ](https://marlvel.ai/apps/com-yorushika-sp) | 4.8/5 | N/A | Fanplus, Inc. |
| [あいみょん](https://marlvel.ai/apps/net-aimyong-sp) | 4.5/5 | N/A | Fanplus, Inc. |
| [イントリズム](https://marlvel.ai/apps/jp-rc-into-rhythm) | 3.5/5 | N/A | RedinC |

## Company Profile
- **Developer:** Kai Aras
- **Website:** [https://numericalaudio.com/volt](https://numericalaudio.com/volt)

## Data Sources & Links
- **App Store ID:** 1185984394
- **Dev Site:** [Official Website](https://numericalaudio.com/volt)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) · 4.8/5 Rating | Positive Sentiment
- [*Suno - AI Songs, Music, Lyrics*](https://marlvel.ai/apps/suno-ai-songs-music) (Suno, Inc.) · 4.0/5 Rating
- [*ヨルシカ*](https://marlvel.ai/apps/com-yorushika-sp) (Fanplus, Inc.) · 4.8/5 Rating
- [*あいみょん*](https://marlvel.ai/apps/net-aimyong-sp) (Fanplus, Inc.) · 4.5/5 Rating
- [*イントリズム*](https://marlvel.ai/apps/jp-rc-into-rhythm) (RedinC) · 3.5/5 Rating
- [*クリープハイプ*](https://marlvel.ai/apps/creephyp-sp-browsingapp) (Fanplus, Inc.) · N/A Rating
- [*マカロニえんぴつ*](https://marlvel.ai/apps/com-macaroniempitsu-fc) (Fanplus, Inc.) · 3.1/5 Rating
- [*100.1 Jack FM*](https://marlvel.ai/apps/100-1-jack-fm) (NRG Media) · 1.0/5 Rating
- [*100.1 WJRZ*](https://marlvel.ai/apps/100-1-wjrz) (Beasley Broadcast Group) · 4.8/5 Rating | Excellent Sentiment
- [*100.3 The Wolf*](https://marlvel.ai/apps/100-3-the-wolf) (SummitMedia, LLC) · 4.1/5 Rating

## Frequently Asked Questions {#faq}

### Is VOLT Synth suitable for live performance?

Users report persistent crashes and audio engine failures, making it unreliable for live performance environments despite its high-quality sound engine.

### Does VOLT Synth support MPE controllers?

Yes, VOLT Synth includes full support for MPE MIDI hardware, including ROLI Seaboard and LinnStrument, allowing for expressive per-note control.

### Is VOLT Synth still being updated?

The app has not received a major update since October 2020, and recent user feedback indicates that core stability issues remain unresolved.

## 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 26
- **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:** 79 days since last refresh

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