---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "SLIME-ISEKAI Memories：TenSura"
developer_entity: "Bandai Namco Entertainment Inc."
bundle_id: "jp.co.bandainamcoent.BNEI0402"
app_store_id: "1577316192"
google_play_id: "com.bandainamcoent.tensuramrkww"
category: "Games"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-04-30"
report_date: "2026-05-05"
report_version: "4.0.25"
total_reviews: 202097
overall_rating: 4.58
sentiment: "Mixed"
sentiment_score: 45
confidence: "high"
confidence_score: 0.8
top_praise_theme: "Faithful adaptation of the anime source material keeps fans engaged with the narrative content"
top_complaint_theme: "Frequent application crashes and unexpected errors during combat disrupt the core gameplay loop"
top_request_theme: "Standardized account linking via Google or social platforms to ensure secure data recovery"
review_sample_size: 152
total_review_count: 152
analyzed_review_count: 100
data_age_days: 57
momentum_velocity: "active"
intelligence_version: 3
nemesis: "Epic Seven"
competitor_count: 7
tags: ["games", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "'that", "reincarnated", "slime'"]
canonical_url: "https://marlvel.ai/intel-report/games/slime-isekai-memories"
license: "CC-BY-NC 4.0"
content_version: "v2"
last_verified: "2026-05-05T17:24:21.456Z"
---

# SLIME-ISEKAI Memories：TenSura App Audit

## TL;DR {#tldr}

- **Category**: Games · Freemium
- **Signal**: Rating 4.58 · Sentiment Mixed
- **Recent focus**: Frequent application crashes and unexpected errors during combat disrupt the core gameplay loop (top complaint) · Faithful adaptation of the anime source material keeps fans engaged with the narrative content (top praise) · Standardized account linking via Google or social platforms to ensure secure data recovery (top request)

> **TL;DR:** SLIME-ISEKAI Memories：TenSura is a games app by Bandai Namco Entertainment Inc., rated 4.58/5 by 202.1K users, with Mixed user sentiment (45/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** SLIME-ISEKAI Memories：TenSura shows Mixed sentiment (4.58/5 from 202.1K reviews) — users praise faithful adaptation of the anime source material keeps fans engaged with the narrative content but report issues with frequent application crashes and unexpected errors during combat disrupt the core gameplay loop.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.58/5 (202.1K reviews) |
| **User Mood** | Mixed |
| **Category** | Games |
| **Developer** | Bandai Namco Entertainment Inc. |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.8/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Bandai Namco Entertainment Inc.
- **Category:** Games
- **Target Audience:** Fans of the 'That Time I Got Reincarnated as a Slime' anime and light novel series who enjoy 3D RPG combat and city-building simulation mechanics.
- **Platforms:** iOS & Android
- **Version Audited:** 4.0.25
- **Audit Date:** 2026-05-05
- **Signal Count:** 152 reviews analyzed
- **Confidence:** High (0.8/1.0)
- **App Store ID (iOS):** 1577316192
- **Bundle ID:** jp.co.bandainamcoent.BNEI0402
- **Google Play ID:** com.bandainamcoent.tensuramrkww
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-05-05
- **Short Description:** Reincarnated as a Slime

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** SLIME-ISEKAI Memories is a 3D command-based battle RPG for mobile, featuring city-building mechanics and anime-based narrative content.
**Why users hire it:** Fans hire this game for an immersive, voiced experience of the Tempest world, but the lack of secure account recovery forces users to abandon progress when device issues occur.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Nation-building System:** Construction and placement of facilities like blacksmiths, laboratories, and citizen homes to develop the Tempest city
- **[Standard] 3D Command-based Battle System:** Card-selection combat mechanics featuring character-specific finishing move animations
- **[Differentiator] Fully Voiced Story Cutscenes:** Narrative sequences featuring the original anime vocal cast
- **[Standard] Monthly Subscription Passes:** Recurring paid services including Caretaker's Crate, Tempest's Treasure, and Tome of Wisdom
  * *User Intent:* Users seek enhanced value through premium features.
<!-- /section:features -->

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

The app maintains a strong rating of 4.65 across 202,097 total ratings, but the lack of account-linking features creates a high churn risk that prevents it from competing with the stability of top-tier anime RPGs.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free to play with in-app purchases, Monthly subscription passes (Caretaker's Crate, Tempest's Treasure, Tome of Wisdom) with first-month free trial
- **Analysis:** Monetization relies on a combination of recurring monthly subscription passes and consumable in-app purchases to accelerate gameplay progression.

<!-- section:sentiment -->
## 🟡 User Sentiment (High Confidence: 100 of 152 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.58/5
- **Platform Split:** iOS 4.8/5 (31K ratings) | Android 4.5/5 (171.1K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Faithful adaptation of the anime source material keeps fans engaged with the narrative content**
- **Generous reward distribution during anniversary events helps new players build competitive teams quickly**
- **High-quality visual design and graphics provide an immersive experience for fans of the series**

### Top Complaints (Impact Areas)
- **Frequent application crashes and unexpected errors during combat disrupt the core gameplay loop**
- **Data persistence issues and lack of account linking options lead to permanent progress loss**
- **Excessive loading times and large update file sizes create significant friction for daily players**

### Top Requests (What Users Want)
- **Standardized account linking via Google or social platforms to ensure secure data recovery**
- **Official PC client support to bypass mobile performance limitations and stability issues**

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

**Core Strengths:**
- High-fidelity 3D assets mirror anime source material
- Nation-building system creates daily session habit
- Original voice cast increases IP-switching costs

**Critical Frictions:**
- Frequent combat crashes on latest version
- Lack of Google/social account linking
- High storage requirements for updates

**Growth Levers:**
- Official PC client support to bypass mobile stability
- Standardized account-linking integration to reduce churn

**Market Threats:**
- High-fidelity RPG market consolidation by HoYoverse
- Aggressive update cadence from Wuthering Waves
- Technical instability driving users to stable competitors

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

The app's competitive position is increasingly threatened by technical instability and data-loss issues, shifting the focus from content-led growth to urgent infrastructure remediation.

**Overall trend**: Declining
**Compared at**: 2026-05-05

### High-impact changes
- **[Shifted] Sentiment Profile** (sentiment) — Overall sentiment shifted from negative to mixed, with review volume increasing from 99 to 152.
- **[Declined] Data Persistence Complaints** (sentiment) — New user complaints emerged regarding permanent progress loss and the lack of social or Google account linking.

### Medium-impact changes
- **[Added] Voiced Narrative Content** (features) — Fully voiced story cutscenes featuring the original anime cast added as a key differentiator.
- **[Improved] Subscription Trial** (pricing) — Monthly subscription passes now include a first-month free trial.
- **[Added] Competitive Threats** (swot) — Added specific threats from market consolidation by HoYoverse and high-velocity updates from Wuthering Waves.

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

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

### SLIME-ISEKAI Memories：TenSura vs Epic Seven — Head to Head
- **[Epic Seven](https://marlvel.ai/intel-report/games/com-stove-epic7-ios)** by Smilegate, Inc.: Directly competes for the turn-based anime RPG audience with a proven long-term live service model.
  - **Moat strength:** Medium — durable but contestable
  - **Key differences:**
    - Features a highly polished 2D animation engine that creates a distinct visual identity compared to 3D models.
    - Maintains a consistent six-month release cadence that prioritizes deep character-driven narrative expansions over purely mechanical updates.

### Contenders (Strong Challengers)
- **[Blue Archive](https://marlvel.ai/intel-report/games/blue-archive)** by NEXON Company [Moat: Medium]: Targets the same 'collectible anime character' demographic with a focus on tactical squad-based combat.
  - Utilizes a unique 'chibi' aesthetic that lowers the barrier to entry for casual mobile RPG players.
  - Employs a distinct social-simulation layer that allows players to interact with characters outside of combat scenarios.

### Peers (What They Do Better)
- **[Fate/Grand Order (English)](https://marlvel.ai/intel-report/games/com-aniplex-fategrandorder-en)** by Aniplex Inc.: A foundational pillar of the anime-RPG genre that sets the standard for narrative-heavy mobile experiences.
  - Relies on a massive, decades-old intellectual property franchise that drives organic user acquisition without heavy marketing.
  - Focuses on a pure turn-based card combat system that prioritizes strategic depth over real-time action mechanics.
- **[Genshin Impact](https://marlvel.ai/intel-report/games/genshin-impact)** by COGNOSPHERE PTE. LTD.: Dominates the high-fidelity 3D anime RPG space, setting the benchmark for open-world exploration and production value.
  - Delivers a seamless open-world exploration experience that significantly exceeds the scope of traditional stage-based mobile RPGs.
  - Operates a massive cross-platform ecosystem that allows for unified progression across mobile, console, and PC devices.
- **[Honkai: Star Rail](https://marlvel.ai/intel-report/games/com-hoyoverse-hkrpgoversea)** by COGNOSPHERE PTE. LTD.: Captures the turn-based RPG market with high-budget production values and a persistent, evolving sci-fi narrative.
  - Integrates cinematic turn-based combat sequences that bridge the gap between traditional RPGs and modern action-oriented titles.
  - Provides a highly polished user interface that simplifies complex inventory and character management for mobile users.

### New Kids on the Block (What's Innovative)
- **[Wuthering Waves - 2nd Anniv.](https://marlvel.ai/intel-report/games/com-kurogame-wutheringwaves-global)** by KURO GAMES: Aggressive release velocity and high-fidelity combat mechanics position it as a major disruptor in the anime RPG space.
- **[Zenless Zone Zero](https://marlvel.ai/intel-report/games/com-hoyoverse-nap)** by COGNOSPHERE PTE. LTD.: Leverages a unique urban-fantasy aesthetic and fast-paced action to differentiate from traditional high-fantasy RPGs.

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

- **Latest (v4.0.25, 5 days ago):** General bug fixes.
<!-- /section:whats-new -->

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

- Ships bug fixes in latest release.
- Maintains consistent monthly subscription revenue.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 5 days since last update · 9 days avg between updates

<!-- /section:momentum -->

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

SLIME-ISEKAI Memories：TenSura is an established games app that is free with in-app purchases.
With a 4.58/5 rating from 202.1K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** The app retains a loyal fan base through faithful IP adaptation, but technical instability and the lack of secure account recovery threaten long-term growth, so the PM must prioritize account-linking infrastructure to prevent permanent player churn.
<!-- speakable-end -->

**Best for:** Fans of the 'That Time I Got Reincarnated as a Slime' anime and light novel series who enjoy 3D RPG combat and city-building simulation mechanics.

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

- [ ] [INVEST] [HIGH IMPACT] Ship native account linking via Google/social platforms because data-loss is the #1 complaint → reduce churn — *Sentiment data identifies account linking as the top user request to prevent progress loss.* _(trade-off: deprioritize Push the next character-banner event to the following sprint — account security is a prerequisite for retention.)_
- [ ] [PIVOT] [HIGH IMPACT] Audit combat-engine crash triggers because battle-sequence errors are the top frustration theme → stabilize DAU — *High-frequency crash reports during combat disrupt the core gameplay loop.* _(trade-off: deprioritize Pause the UI-refresh for the city-building menu — stability is a higher priority for current player retention.)_
<!-- /section:pm-actions -->

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

- Official PC client (available in Genshin Impact but absent here)
- Native cloud-save account linking (available in Epic Seven but absent here)
<!-- /section:feature-gaps -->

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

The anime RPG market is consolidating around high-stability, cross-platform titles, leaving this app exposed to churn. Unless the team shifts focus from content-only updates to technical hygiene, the current instability will erode the player base before the next major narrative drop.

- 🔴 Frequent combat crashes in the latest version disrupt the core loop, which compounds the rating drag already visible on Android.
- 🔴 Lack of account linking leads to permanent progress loss, causing high-value players to churn after reinstallation.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.58/5 |
| Total Reviews | 202.1K |
| Sentiment | Mixed (45/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 4 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **SLIME-ISEKAI Memories：TenSura** (this app) | 4.58/5 | Mixed | Bandai Namco Entertainment Inc. |
| [Epic Seven](https://marlvel.ai/intel-report/games/com-stove-epic7-ios) | 4.6/5 | N/A | Smilegate, Inc. |
| [Honkai: Star Rail](https://marlvel.ai/intel-report/games/com-hoyoverse-hkrpgoversea) | 4.4/5 | Excited | COGNOSPHERE PTE. LTD. |
| [Wuthering Waves - 2nd Anniv.](https://marlvel.ai/intel-report/games/com-kurogame-wutheringwaves-global) | 4.6/5 | Frustrated | KURO GAMES |
| [Zenless Zone Zero](https://marlvel.ai/intel-report/games/com-hoyoverse-nap) | 4.1/5 | Mixed | COGNOSPHERE PTE. LTD. |
| [Fate/Grand Order (English)](https://marlvel.ai/intel-report/games/com-aniplex-fategrandorder-en) | 4.4/5 | N/A | Aniplex Inc. |

## Company Profile
- **Developer:** Bandai Namco Entertainment Inc.
- **Website:** [https://www.bandainamcoent.co.jp/english/](https://www.bandainamcoent.co.jp/english/)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/slime-isekai-memories/id1577316192?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.bandainamcoent.tensuramrkww&hl=en&gl=us)
- **Dev Site:** [Official Website](https://www.bandainamcoent.co.jp/english/)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Epic Seven*](https://marlvel.ai/intel-report/games/com-stove-epic7-ios) (Smilegate, Inc.) — 4.6/5 Rating | N/A Sentiment
- [*Honkai: Star Rail*](https://marlvel.ai/intel-report/games/com-hoyoverse-hkrpgoversea) (COGNOSPHERE PTE. LTD.) — 4.4/5 Rating | Positive Sentiment
- [*Wuthering Waves - 2nd Anniv.*](https://marlvel.ai/intel-report/games/com-kurogame-wutheringwaves-global) (KURO GAMES) — 4.6/5 Rating | Negative Sentiment
- [*Zenless Zone Zero*](https://marlvel.ai/intel-report/games/com-hoyoverse-nap) (COGNOSPHERE PTE. LTD.) — 4.1/5 Rating | Mixed Sentiment
- [*Fate/Grand Order (English)*](https://marlvel.ai/intel-report/games/com-aniplex-fategrandorder-en) (Aniplex Inc.) — 4.4/5 Rating | N/A Sentiment
- [*Genshin Impact*](https://marlvel.ai/intel-report/games/genshin-impact) (COGNOSPHERE PTE. LTD.) — 4.3/5 Rating | Mixed Sentiment
- [*Blue Archive*](https://marlvel.ai/intel-report/games/blue-archive) (NEXON Company) — 4.2/5 Rating | N/A Sentiment
- [*Royal Match*](https://marlvel.ai/intel-report/games/royal-match) (Dream Games) — 4.7/5 Rating | Negative Sentiment
- [*Hole.io*](https://marlvel.ai/intel-report/games/hole-io) (Voodoo) — 3.8/5 Rating | Terrible Sentiment
- [*Bejeweled Blitz*](https://marlvel.ai/intel-report/games/bejeweled-blitz) (PopCap) — 3.3/5 Rating | Negative 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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 152
- **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:** 0 days since last refresh

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