---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "RPG Chroma Quaternion"
developer_entity: "Kotobuki Solution Co., Ltd."
bundle_id: "kemco.execreate.saisiki"
app_store_id: "1512340297"
category: "Games"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2025-11-19"
report_date: "2026-05-20"
last_verified: "2026-05-20T07:57:23.462Z"
report_version: "1.1.7"
total_reviews: 1810
overall_rating: 4.48
confidence: "low"
confidence_score: 0.6
data_age_days: 42
momentum_velocity: "zombie"
intelligence_version: 4
nemesis: "Guild of Heroes: Legendary War"
competitor_count: 11
tags: ["games", "freemium", "mobile app", "app review", "app analysis", "retro-style", "fantasy", "jrpgs"]
canonical_url: "https://marlvel.ai/intel-report/games/rpg-chroma-quaternion"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# RPG Chroma Quaternion App Audit

## TL;DR {#tldr}

- **Category**: Games · Freemium
- **Signal**: Rating 4.48

> **TL;DR:** RPG Chroma Quaternion is a games app by Kotobuki Solution Co., Ltd., rated 4.48/5 by 1.8K users, available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** RPG Chroma Quaternion is a games app by Kotobuki Solution Co., Ltd..
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.48/5 (1.8K reviews) |
| **Category** | Games |
| **Developer** | Kotobuki Solution Co., Ltd. |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | Low (0.6/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Kotobuki Solution Co., Ltd.
- **Category:** Games
- **Target Audience:** Fans of retro-style fantasy JRPGs who prefer turn-based combat systems and character customization.
- **Platforms:** iOS & Android
- **Version Audited:** 1.1.7
- **Audit Date:** 2026-05-20
- **Signal Count:** 1810 reviews analyzed
- **Confidence:** Low (0.6/1.0)
- **App Store ID (iOS):** 1512340297
- **Bundle ID:** kemco.execreate.saisiki
- **Google Play ID:** kemco.execreate.saisiki
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-05-20

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** RPG Chroma Quaternion is a turn-based fantasy JRPG featuring a triple-role character system and pixel-art aesthetics on iOS and Android.
**Why users hire it:** Players hire this title for a contained, narrative-driven RPG experience that avoids the aggressive monetization and live-service fatigue of modern guild-based games.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Triple Role System:** Assign up to three distinct roles per character to customize skills, effects, and costumes
  * *User Intent:* Users value self-expression and personalized experiences.
- **[Differentiator] Act Over Battle Mechanic:** Charge special orbs in turn-based combat to execute up to four continuous actions in one turn
- **[Standard] Ad Eliminator:** In-app purchase to remove third-party advertisements from the free version
<!-- /section:features -->

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

The title holds a #27 Paid rank in category 7001 and #16 Paid in category 7014, signaling a niche but active user base. The 0.33 rating gap between iOS and Android suggests platform-specific technical friction that limits broader adoption.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free-to-play with ad-supported screens, Ad-free experience via one-time in-app purchase, Paid premium edition available on specific platforms
- **Price:** iOS: $7.99
- **Analysis:** Freemium model utilizes ad-insertion for free users with a one-time IAP to remove ads, alongside a separate paid premium edition.

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

**Core Strengths:**
- Triple-role system enables deep character build customization
- Premium narrative focus attracts genre purists

**Critical Frictions:**
- Static content model lacks live-ops retention
- No cloud-save functionality
- 0.33 rating gap between iOS and Android

**Growth Levers:**
- Implement seasonal events to extend playtime
- Introduce cloud-save to reduce churn

**Market Threats:**
- Live-service RPGs with event-based loops
- High-fidelity 3D RPGs capturing the premium market

<!-- /section:swot -->
## Recent Changes (v3 → v4) {#recent-changes}

The app has entered a maintenance phase with a focus on technical parity and basic quality-of-life features, while sentiment tracking has been discontinued.

**Overall trend**: Mixed
**Compared at**: 2026-05-20

### High-impact changes
- **[Removed] Discontinuation of Sentiment Tracking** (sentiment) — User sentiment data, including rating, review counts, and top complaints, is no longer provided.
- **[Shifted] Competitive Nemesis Change** (positioning) — Primary nemesis shifted from Evertale to Guild of Heroes: Legendary War, moving the focus from gacha-heavy models to social-heavy, event-driven RPGs.

### Medium-impact changes
- **[Added] Technical Weaknesses Identified** (swot) — Added lack of cloud-save functionality and a 0.33 rating gap between iOS and Android as new weaknesses.
- **[Shifted] Strategic Focus Pivot** (positioning) — PM action items shifted from difficulty scaling to cloud-save implementation and Android build stability.

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

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

### RPG Chroma Quaternion vs Guild of Heroes: Legendary War — Head to Head
- **[Guild of Heroes: Legendary War](https://marlvel.ai/intel-report/role-playing/guild-of-heroes-adventure-rpg)** by BIT.GAMES PBL: Guild of Heroes competes directly for the time and attention of turn-based RPG players who value character progression and class-based combat systems.
  - **Key differences:**
    - Offers massive social scale through guild wars and competitive multiplayer absent in our single-player experience.
    - Utilizes event-based progression loops that drive significantly higher daily retention than our static narrative model.
    - Features a robust crafting system that provides deeper long-term itemization depth than our current role system.
  - **Where RPG Chroma Quaternion wins:**
    - ✅ Delivers a focused, premium narrative experience without the aggressive monetization pressure of live-service guild games.
    - ✅ Provides a more cohesive, story-driven world design compared to the fragmented event-based structure of the nemesis.
  - **Where Guild of Heroes: Legendary War wins:**
    - ❌ Maintains a massive, active player base that ensures constant social interaction and competitive longevity.
    - ❌ Frequent content updates and seasonal events keep the gameplay loop fresh compared to our static release.
  - **Verdict:** We cannot out-scale their social features; we must double down on high-quality, narrative-driven RPG experiences that offer a premium, distraction-free alternative.

### Contenders (Strong Challengers)
- **[Secret of Mana](https://marlvel.ai/intel-report/action/com-square_enix-secret)** by SQUARE ENIX Co.,Ltd.: This classic title competes for the attention of retro-RPG enthusiasts who value real-time combat and nostalgic aesthetics.
  - Features a unique ring command menu system that streamlines combat without pausing the game flow.
  - Includes native external controller support, providing a superior tactile experience for hardcore RPG players.
- **[Warcodes - AI RPG Game](https://marlvel.ai/intel-report/games/warcodes-ai-rpg-game)** by COZY ORCHARDS, LLC: Warcodes targets the RPG market by integrating unique real-world scanning mechanics with creature evolution.
  - Implements a novel barcode scanning engine that turns real-world objects into unique in-game RPG assets.
  - Focuses on real-time PvP arena combat, appealing to players who prefer fast-paced, competitive multiplayer sessions.
- **[DRAGON QUEST VIII](https://marlvel.ai/intel-report/role-playing/com-square_enix-android_googleplay-dq8)** by SQUARE ENIX Co.,Ltd.: A direct competitor in the premium, single-player RPG space, targeting users looking for a deep, console-quality story.
  - Provides a full 3D world exploration experience that feels more immersive than our current 2D-style presentation.
  - Offers a complete, single-package narrative experience that avoids the live-service fatigue found in modern mobile RPGs.
- **[DRAGON QUEST BUILDERS](https://marlvel.ai/intel-report/role-playing/com-square_enix-dqb)** by SQUARE ENIX Co.,Ltd.: This title competes for the same RPG audience by blending traditional questing with creative building mechanics.
  - Integrates block-building mechanics that allow for creative player expression beyond our fixed narrative path.
  - Leverages a globally recognized IP brand that commands a premium price point and high user trust.

### Peers (What They Do Better)
- **[Lost Realm: Chronorift](https://marlvel.ai/intel-report/games/lost-realm-chronorift)** by DROIDHEN LIMITED: This title competes for the same collection-based RPG audience by focusing on hero acquisition and elite trials.
  - Focuses heavily on hero and artifact collection, creating a stronger 'gacha' loop than our static role system.
  - Offers high-difficulty Areopagus elite trials that provide long-term endgame challenges for dedicated, high-level players.
- **[Puzzle Quest 3:  Match-3 RPG](https://marlvel.ai/intel-report/games/puzzle-quest-3-match-3-rpg)** by 505 Games (US), Inc.: It overlaps with our RPG category by using match-3 mechanics to drive combat, appealing to casual-to-midcore RPG players.
  - Combines match-3 puzzle mechanics with RPG combat, offering a more accessible entry point than traditional systems.
  - Features a follower system that adds a layer of strategic team management missing from our current build.
- **[Life of a Wizard](https://marlvel.ai/intel-report/games/life-of-a-wizard)** by Hosted Games LLC: This app competes for the narrative-focused RPG player who prioritizes story choices over visual combat mechanics.
  - Utilizes a text-heavy interactive fiction engine that allows for deeper branching narrative paths than our game.
  - Includes robust accessibility settings that make the game playable for a wider range of user needs.
- **[Pathbuilder 2e](https://marlvel.ai/intel-report/utilities/pathbuilder-2e)** by Redrazors Ltd: While a utility, it captures the same audience of tabletop-style RPG fans who value deep character planning and stat management.
  - Provides granular character planning tools that allow for complex build optimization beyond our simplified role system.
  - Enables PDF character sheet exports, serving as an essential companion tool for active tabletop gaming sessions.

### New Kids on the Block (What's Innovative)
- **[Roll for Initiative](https://marlvel.ai/intel-report/games/roll-for-initiative)** by Jaredt Hultink: A new utility-focused RPG tool that targets the logistical needs of tabletop and digital RPG players.
  - Provides specialized encounter management and initiative tracking tools that simplify complex combat sessions for game masters.
- **[Story World: Role-Playing Game](https://marlvel.ai/intel-report/games/story-world-role-playing-game)** by Gamos Mobile Limited: A new entrant focusing on the intersection of avatar customization and story-driven exploration.
  - Features an advanced character creator that offers significantly more visual personalization than our current role system.

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

- **Latest (v1.2.5g, 6 months ago):** Minor bug fixes.
<!-- /section:whats-new -->

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

- Ships minor stability updates.
- Maintains niche paid chart presence.

> **Cadence:** 2 total versions · 0 majors in last 6 months · 182 days since last update · 848 days avg between updates

<!-- /section:momentum -->

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

RPG Chroma Quaternion is an established games app that is free with in-app purchases.
With a 4.48/5 rating from 1.8K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** RPG Chroma Quaternion succeeds as a focused, premium JRPG, but its static content model risks obsolescence against live-service rivals, so the PM should prioritize cloud-save and stability to defend the existing player base.
<!-- speakable-end -->

**Best for:** Fans of retro-style fantasy JRPGs who prefer turn-based combat systems and character customization.

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

- [ ] [INVEST] [HIGH IMPACT] Ship cloud-save functionality because it is a standard expectation in modern RPGs → reduce churn — *Competitors like DRAGON QUEST VIII offer more immersive, complete experiences; cloud-save is a basic retention hygiene factor.* _(trade-off: deprioritize Pause the UI polish sprint for the character menu — cloud-save is a higher-impact retention lever.)_
- [ ] [MAINTAIN] [MEDIUM IMPACT] Audit Android build stability because of the 0.33 rating gap vs iOS → improve platform parity — *The rating disparity between platforms indicates technical friction that suppresses Android growth.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_
<!-- /section:pm-actions -->

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

- Guild wars (available in Guild of Heroes: Legendary War)
- Real-time combat (available in Secret of Mana)
- 3D world exploration (available in DRAGON QUEST VIII)
<!-- /section:feature-gaps -->

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

The retro-RPG market is consolidating around titles that balance nostalgia with modern live-ops, leaving static titles like this one exposed to churn. The PM must prioritize technical hygiene and basic quality-of-life features to maintain the current niche position against more active competitors.

- ⚪ The latest release focuses on stability, indicating the product is in a maintenance phase rather than active expansion.
- 🔴 The persistent rating gap between platforms suggests technical friction on Android, which limits the potential for long-term user retention.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.48/5 |
| Total Reviews | 1.8K |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **RPG Chroma Quaternion** (this app) | 4.48/5 | N/A | Kotobuki Solution Co., Ltd. |
| [Secret of Mana](https://marlvel.ai/intel-report/action/com-square_enix-secret) | 3.6/5 | N/A | SQUARE ENIX Co.,Ltd. |
| [DRAGON QUEST BUILDERS](https://marlvel.ai/intel-report/role-playing/com-square_enix-dqb) | 4.5/5 | N/A | SQUARE ENIX Co.,Ltd. |
| [DRAGON QUEST VIII](https://marlvel.ai/intel-report/role-playing/com-square_enix-android_googleplay-dq8) | 3.8/5 | N/A | SQUARE ENIX Co.,Ltd. |
| [Warcodes - AI RPG Game](https://marlvel.ai/intel-report/games/warcodes-ai-rpg-game) | 4.4/5 | Mixed | COZY ORCHARDS, LLC |
| [Puzzle Quest 3:  Match-3 RPG](https://marlvel.ai/intel-report/games/puzzle-quest-3-match-3-rpg) | 4.4/5 | Mixed | 505 Games (US), Inc. |

## Company Profile
- **Developer:** Kotobuki Solution Co., Ltd.
- **Website:** [https://www.kemco.jp/game/quartet/en/](https://www.kemco.jp/game/quartet/en/)
- **Social:** [Facebook](https://www.facebook.com/sharer.php?u=https) · [X/Twitter](https://twitter.com/intent) · [YouTube](https://www.youtube.com/watch)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/rpg-chroma-quaternion/id1512340297?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=kemco.execreate.saisiki&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.kemco.jp/game/quartet/en/)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Secret of Mana*](https://marlvel.ai/intel-report/action/com-square_enix-secret) (SQUARE ENIX Co.,Ltd.) — 3.6/5 Rating | N/A Sentiment
- [*DRAGON QUEST BUILDERS*](https://marlvel.ai/intel-report/role-playing/com-square_enix-dqb) (SQUARE ENIX Co.,Ltd.) — 4.5/5 Rating | N/A Sentiment
- [*DRAGON QUEST VIII*](https://marlvel.ai/intel-report/role-playing/com-square_enix-android_googleplay-dq8) (SQUARE ENIX Co.,Ltd.) — 3.8/5 Rating | N/A Sentiment
- [*Warcodes - AI RPG Game*](https://marlvel.ai/intel-report/games/warcodes-ai-rpg-game) (COZY ORCHARDS, LLC) — 4.4/5 Rating | Mixed Sentiment
- [*Puzzle Quest 3:  Match-3 RPG*](https://marlvel.ai/intel-report/games/puzzle-quest-3-match-3-rpg) (505 Games (US), Inc.) — 4.4/5 Rating | Mixed Sentiment
- [*Lost Realm: Chronorift*](https://marlvel.ai/intel-report/games/lost-realm-chronorift) (DROIDHEN LIMITED) — 4.8/5 Rating | Mixed Sentiment
- [*Guild of Heroes: Adventure RPG*](https://marlvel.ai/intel-report/role-playing/guild-of-heroes-adventure-rpg) (BIT.GAMES) — 4.5/5 Rating | Mixed Sentiment
- [*Story World: Role-Playing Game*](https://marlvel.ai/intel-report/games/story-world-role-playing-game) (Gamos Mobile Limited) — 4.5/5 Rating | N/A Sentiment
- [*Life of a Wizard*](https://marlvel.ai/intel-report/games/life-of-a-wizard) (Hosted Games LLC) — 4.8/5 Rating | Mixed Sentiment
- [*Pathbuilder 2e*](https://marlvel.ai/intel-report/utilities/pathbuilder-2e) (Redrazors Ltd) — 4.9/5 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:** 0.6/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 1.8K
- **Data Sources:** 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:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/games/rpg-chroma-quaternion)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.