---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "イントリズム"
developer_entity: "RedinC"
bundle_id: "jp.rc.Into.Rhythm"
app_store_id: "1091145309"
category: "Music"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-03-16"
report_date: "2026-05-19"
last_verified: "2026-05-19T17:20:51.344Z"
report_version: "3.15.0"
total_reviews: 338
overall_rating: 3.52
confidence: "low"
confidence_score: 0.05
data_age_days: 12
momentum_velocity: "active"
intelligence_version: 3
tags: ["music", "free", "mobile app", "app review", "app analysis", "music", "enthusiasts", "freestyle"]
canonical_url: "https://marlvel.ai/intel-report/music/jp-rc-into-rhythm"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# イントリズム App Audit

## TL;DR {#tldr}

- **Category**: Music · Free
- **Signal**: Rating 3.52

> **TL;DR:** イントリズム is a music app by RedinC, rated 3.52/5 by 338 users, available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** イントリズム is a music app by RedinC.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.52/5 (338 reviews) |
| **Category** | Music |
| **Developer** | RedinC |
| **Pricing** | Free |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** RedinC
- **Category:** Music
- **Target Audience:** Music enthusiasts and fans of freestyle rap looking for a rhythm-based skill game.
- **Platforms:** iOS & Android
- **Version Audited:** 3.15.0
- **Audit Date:** 2026-05-19
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 1091145309
- **Bundle ID:** jp.rc.Into.Rhythm
- **Google Play ID:** jp.rc.Into.Rhythm
- **Data Window:** Analysis based on signals collected up to 2026-05-19
- **Short Description:** ○ category new arrival free first place winning ○
● buzz in many media ●
More than 100,000 people play the game.
Let's make a rhyme with the rhythm!

<!-- section:executive-snapshot -->
## Executive Snapshot
Intorhythm is a music-themed mobile game that challenges users to identify rhyming words in a freestyle rap battle context. The app features rhythm-based gameplay where players must match rhymes to subjects under increasing difficulty levels. It is notable for its focus on lyrical skill and memory-based mechanics.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] FLASH Mode:** A memory-based challenge where players must memorize and tap words in the correct sequence to the beat.
- **[Standard] BATTLE Mode:** A rhyming challenge where players select words that rhyme with a given subject to trigger combos and increase the difficulty.
- **[Standard] TRAINING Mode:** A dedicated practice environment for users to refine their rhyming skills.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Free

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

Last updated 63d ago. 5 versions tracked.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 63 days since last update

<!-- /section:momentum -->

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

イントリズム is an established music app that is completely free.
With a 3.52/5 rating from 338 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** Intorhythm combines rap culture with rhythm-based mechanics to test users' memory and rhyming proficiency.
<!-- speakable-end -->

**Best for:** Music enthusiasts and fans of freestyle rap looking for a rhythm-based skill game.

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.52/5 |
| Total Reviews | 338 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **イントリズム** (this app) | 3.52/5 | N/A | RedinC |
| [Suno - AI Songs & Music](https://marlvel.ai/intel-report/music/suno-ai-songs-music) | 4.0/5 | Mixed | Suno, Inc. |
| [BandLab – Music Maker & Beats](https://marlvel.ai/intel-report/music/bandlab-music-maker-beats) | 4.8/5 | N/A | BandLab Singapore Pte Ltd |
| [Rhythm Fire-EDM Shooting Game](https://marlvel.ai/intel-report/music/rhythm-fire-edm-shooting-game) | 5.0/5 | N/A | Adaric Music |
| [Fugue Machine : MIDI Sequencer](https://marlvel.ai/intel-report/music/com-alexandernaut-fugue) | 4.9/5 | N/A | Alexandernaut |
| [Country Rap Tunes Radio](https://marlvel.ai/intel-report/music/com-countryrap-app) | 4.5/5 | N/A | Country Rap Tunes Radio |

## Company Profile
- **Developer:** RedinC
- **Website:** [https://redapps.tokyo/](https://redapps.tokyo/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/jp/app/%E3%82%A4%E3%83%B3%E3%83%88%E3%83%AA%E3%82%BA%E3%83%A0/id1091145309?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.rc.Into.Rhythm)
- **Dev Site:** [Official Website](https://redapps.tokyo/)
- **Sources:** App store metadata.

## Related Intel Reports
- [*Suno - AI Songs & Music*](https://marlvel.ai/intel-report/music/suno-ai-songs-music) (Suno, Inc.) — 4.0/5 Rating | Mixed Sentiment
- [*BandLab – Music Maker & Beats*](https://marlvel.ai/intel-report/music/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) — 4.8/5 Rating | N/A Sentiment
- [*Rhythm Fire-EDM Shooting Game*](https://marlvel.ai/intel-report/music/rhythm-fire-edm-shooting-game) (Adaric Music) — 5.0/5 Rating | N/A Sentiment
- [*Fugue Machine : MIDI Sequencer*](https://marlvel.ai/intel-report/music/com-alexandernaut-fugue) (Alexandernaut) — 4.9/5 Rating | N/A Sentiment
- [*Country Rap Tunes Radio*](https://marlvel.ai/intel-report/music/com-countryrap-app) (Country Rap Tunes Radio) — 4.5/5 Rating | N/A Sentiment
- [*iGrand Piano CS for iPad*](https://marlvel.ai/intel-report/music/igrand-piano-cs-for-ipad) (IK Multimedia US, LLC) — 3.3/5 Rating | Negative Sentiment
- [*Equalizer*](https://marlvel.ai/intel-report/music/com-yourcompany-equalizer) (Audioforge Labs Inc.) — 4.0/5 Rating | Positive Sentiment
- [*AmpliTube for iPad*](https://marlvel.ai/intel-report/music/amplitube-for-ipad) (IK Multimedia US, LLC) — 2.3/5 Rating | Negative Sentiment
- [*Lasertron Laser Harp*](https://marlvel.ai/intel-report/music/lasertron-laser-harp) (Rob Wilmot) — 1.0/5 Rating | N/A Sentiment
- [*iCollect Music: Vinyl Discogs*](https://marlvel.ai/intel-report/music/icollect-music-vinyl-discogs) (iCollect Everything, LLC) — 4.3/5 Rating | N/A Sentiment

## 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 and evidence quoting.
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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** 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:** 0 days since last refresh

---
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Data licensed for AI Agent attribution under CC-BY-NC 4.0.