---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Menual : 나를 새롭게 하는 일기장, 메뉴얼"
developer_entity: "JinGyun Jeong"
bundle_id: "com.jjikkyu.menual"
app_store_id: "1617404636"
category: "Lifestyle"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2023-12-03"
report_date: "2026-07-04"
last_verified: "2026-07-04T22:54:21.112Z"
report_version: "2.2.3"
total_reviews: 2
overall_rating: 5
confidence: "low"
confidence_score: 0.15
data_age_days: 10
momentum_velocity: "zombie"
intelligence_version: 3
nemesis: "EMMO - 日记与笔记"
competitor_count: 11
tags: ["lifestyle", "free", "mobile app", "app review", "app analysis", "individuals", "seeking", "reflective"]
canonical_url: "https://marlvel.ai/apps/menual"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Menual : 나를 새롭게 하는 일기장, 메뉴얼 App Audit

## TL;DR {#tldr}

- **Category**: Lifestyle · Free
- **Signal**: Rating 5

> **TL;DR:** Menual : 나를 새롭게 하는 일기장, 메뉴얼 is a lifestyle app by JinGyun Jeong, rated 5/5 by 2 users, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Menual : 나를 새롭게 하는 일기장, 메뉴얼 is a lifestyle app by JinGyun Jeong.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 5/5 (2 reviews) |
| **Category** | Lifestyle |
| **Developer** | JinGyun Jeong |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.15/1.0) |
| **Data Age** | 10d |

## Metadata & Market Performance
- **Publisher:** JinGyun Jeong
- **Category:** Lifestyle
- **Target Audience:** Individuals seeking a reflective journaling tool to track personal growth and revisit past memories.
- **Platforms:** iOS
- **Version Audited:** 2.2.3
- **Audit Date:** 2026-07-04
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.15/1.0)
- **App Store ID (iOS):** 1617404636
- **Bundle ID:** com.jjikkyu.menual
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-07-04

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Menual is a lifestyle diary app on iOS that enables users to record thoughts with location and weather metadata.
**Why users hire it:** Users hire Menual to document personal growth through a unique overlap writing feature that encourages revisiting past entries.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Overlap Writing (겹쓰기):** Allows users to write entries on top of previous diary entries to reflect on past thoughts and personal growth.
- **[Standard] Metadata Tagging:** Records weather and location data for each entry, increasing the value of the diary as a personal archive.
<!-- /section:features -->

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

Menual operates in the lifestyle category with a 5.0-star rating across 2 reviews. The lack of monetization gates signals a focus on user acquisition over revenue, leaving the app vulnerable to competitors with established subscription models.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is currently distributed as a free product with no visible IAP or subscription gates.

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

**Core Strengths:**
- Overlap writing mechanism enables longitudinal personal growth tracking

**Critical Frictions:**
- Absence of monetization gates limits long-term development sustainability

**Growth Levers:**
- Integration of physical book production services could turn digital archives into permanent assets

**Market Threats:**
- AI-driven journaling apps like Ondo and My AI Journal automate the documentation process, lowering the barrier to entry

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

The report reflects a strategic pivot from technical infrastructure (cloud-sync) to revenue-generating services (physical book export) to counter the threat of AI-driven journaling competitors.

**Overall trend**: Mixed
**Compared at**: 2026-07-04

### High-impact changes
- **[Shifted] Strategic Priority Shift** (positioning) — PM action items shifted from prioritizing cloud-sync to physical book export services to secure revenue.

### Medium-impact changes
- **[Shifted] SWOT Analysis Refinement** (swot) — Weakness regarding cloud-sync was replaced by a broader concern over the absence of monetization gates.
- **[Added] Voice-to-Text Gap Identified** (features) — Feature gaps now include voice-to-text entry, reflecting a shift in competitive benchmarking against automated rivals.

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

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

### Menual : 나를 새롭게 하는 일기장, 메뉴얼 vs EMMO - 日记与笔记 — Head to Head
- **EMMO - 日记与笔记** by EMMO Corp.: EMMO dominates the minimalist journaling space, directly competing with Menual’s goal of reducing the friction of daily documentation through simple, mood-based entries.
  - **Key differences:**
    - Offers a highly distinct, icon-based mood tracking interface that simplifies daily entry creation significantly.
    - Maintains a massive, loyal user base built over years, creating a strong network-effect-like brand presence.
    - Provides a more mature, polished aesthetic that users find more visually cohesive than Menual's current design.
  - **Where Menual : 나를 새롭게 하는 일기장, 메뉴얼 wins:**
    - ✅ Menual offers a more straightforward, text-centric approach for users who find icon-based systems too abstract.
    - ✅ The focus on location and weather metadata provides a more grounded, chronological context for entries.
  - **Where EMMO - 日记与笔记 wins:**
    - ❌ EMMO’s massive scale and established community provide a sense of reliability that new users prioritize.
    - ❌ The app’s highly refined UI/UX reduces cognitive load during daily use more effectively than Menual.
  - **Verdict:** Menual should pivot toward deeper contextual integration or unique organizational features to differentiate from EMMO’s established minimalist dominance.

### Contenders (Strong Challengers)
- **[iMood-心情日记、待办清单](https://marlvel.ai/apps/imood)** by 继伟 王: iMood overlaps by combining mood tracking with task management, shifting the value proposition from reflection to productivity.
  - Integrates task management directly into the journaling flow, bridging the gap between reflection and action.
  - Offers customizable reminders that help users maintain a consistent habit of daily journaling.
- **[Shine - Timeline diary](https://marlvel.ai/apps/shine-timeline-diary)** by 晓松 高: Shine competes by offering advanced data visualization like heatmaps and voice-to-text, appealing to users who want more than just text logs.
  - Includes a story heatmap feature that visualizes journaling frequency and intensity over long periods.
  - Supports voice diary entries, allowing for faster documentation when users are on the move.
- **[团纸日记-把生活写成一本书](https://marlvel.ai/apps/tuanzhiriji-benben)** by Shanghai Ningguang Information Technology Co., Ltd.: It targets users who want to turn their digital entries into physical keepsakes, a natural evolution for Menual's user base.
  - Provides a direct path to physical book production, turning digital journals into tangible, permanent assets.
  - Features a specialized timeline view that emphasizes the chronological progression of a user's life.
- **[一叶日记·极简卡片心情记录日记](https://marlvel.ai/apps/justtoday-diary)** by 荣九 蔡: This app competes by offering a card-style journaling format that targets the same 'low-pressure' documentation audience as Menual.
  - Supports WebDav and iCloud sync, providing users with more control over their personal data backups.
  - Utilizes a card-based layout that makes reviewing past entries feel more like browsing a physical deck.

### Peers (What They Do Better)
- **[Legacy Lab - Auto Book Creator](https://marlvel.ai/apps/legacy-lab-auto-book-creator)** by AutoBiographer, LLC: This app focuses on the long-term value of journals, competing with Menual’s goal of creating a lasting record of one's life.
  - Uses AI to transform voice recordings into structured narratives, simplifying the creation of an autobiography.
  - Offers a professional physical book production service for users who want to preserve their legacy.
- **[DrawMyToday - AI Picture Diary](https://marlvel.ai/apps/drawmytoday-ai-picture-diary)** by CHANHO LEE: It offers a visual-first approach to journaling, competing for the same time-poor demographic as Menual.
  - Generates AI-based illustrations for each entry, providing a visual representation of the user's mood.
  - Includes encrypted storage, addressing potential user concerns regarding the privacy of sensitive personal reflections.
- **[Ondo: AI Journal](https://marlvel.ai/apps/ondo-ai-journal)** by Onda Labs, Inc.: Ondo uses conversational AI to act as a journaling partner, directly challenging the 'why should I write' pain point Menual addresses.
  - Uses conversational AI to prompt users, making the journaling process feel like a supportive dialogue.
  - Generates AI-based postcards that provide a creative, shareable summary of the user's recent thoughts.
- **[My AI Journal](https://marlvel.ai/apps/my-ai-journal)** by Kento Umeki: This app uses AI to generate entries, providing an automated alternative to Menual’s manual documentation process.
  - Automates the writing process using AI, which significantly lowers the barrier to entry for users.
  - Focuses on photo-centric journaling, allowing users to document their day through visual media.

### New Kids on the Block (What's Innovative)
- **[Lore: Every Chat Hides a Story](https://marlvel.ai/apps/lore-every-chat-hides-a-story)** by Amon Studio: Lore captures the 'journaling through chat' trend, offering a modern, low-friction alternative to traditional diary apps.
  - Integrates with WhatsApp to pull chat history, turning existing conversations into a narrative story automatically.
- **[おうち新聞](https://marlvel.ai/apps/karmait-ouchishinbun)** by Ide Koshin: This newcomer introduces a social, family-oriented newspaper format that disrupts the solitary nature of traditional journaling.
  - Automatically compiles entries into a weekly family newspaper, shifting the focus from individual to collective.

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

- **Latest (v2.2.3, 2 years ago):** Added support for up to 10 photos per entry and implemented swipe-based navigation for diary browsing.
<!-- /section:whats-new -->

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

- Maintains 5.0-star rating.
- Focuses on manual text-centric entry.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 944 days since last update

<!-- /section:momentum -->

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

Menual : 나를 새롭게 하는 일기장, 메뉴얼 is an established lifestyle app that is completely free.
With a 5/5 rating from 2 reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** Menual offers a unique reflective mechanism through overlap writing, but its lack of monetization and AI-driven automation leaves it exposed to feature-rich rivals, so the PM should prioritize a path to value-added services like physical exports to secure long-term viability.
<!-- speakable-end -->

**Best for:** Individuals seeking a reflective journaling tool to track personal growth and revisit past memories.

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

- [ ] [INVEST] [HIGH IMPACT] Ship physical book export service because it creates a tangible asset from digital logs → increase user retention — *Competitors like Tuanzhi Riji successfully monetize by turning digital entries into physical keepsakes.* _(trade-off: deprioritize Pause the development of new metadata tags — physical export has higher revenue potential.)_
<!-- /section:pm-actions -->

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

- Physical book production (available in 团纸日记 but missing here)
- Voice-to-text entry (available in Shine but missing here)
<!-- /section:feature-gaps -->

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

The journaling market is consolidating around automated, AI-assisted tools that reduce the friction of daily entry. Menual's manual-first approach is currently exposed to this trend, so the PM must pivot toward high-value physical or archival services to survive.

- 🔴 The absence of monetization gates limits the developer's ability to fund feature parity with AI-driven rivals, which will likely accelerate user churn to more automated platforms.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 5/5 |
| Total Reviews | 2 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Menual : 나를 새롭게 하는 일기장, 메뉴얼** (this app) | 5/5 | N/A | JinGyun Jeong |
| [Lore: Every Chat Hides a Story](https://marlvel.ai/apps/lore-every-chat-hides-a-story) | N/A/5 | N/A | Amon Studio |
| [DrawMyToday - AI Picture Diary](https://marlvel.ai/apps/drawmytoday-ai-picture-diary) | 4.3/5 | Upset | CHANHO LEE |
| [Shine - Timeline diary](https://marlvel.ai/apps/shine-timeline-diary) | 4.0/5 | Thrilled | 晓松 高 |
| [My AI Journal](https://marlvel.ai/apps/my-ai-journal) | 5.0/5 | N/A | Kento Umeki |
| [Legacy Lab - Auto Book Creator](https://marlvel.ai/apps/legacy-lab-auto-book-creator) | 3.0/5 | Thrilled | AutoBiographer, LLC |

## Company Profile
- **Developer:** JinGyun Jeong
- **Website:** [https://dev-signer.tistory.com](https://dev-signer.tistory.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/menual-%EB%82%98%EB%A5%BC-%EC%83%88%EB%A1%AD%EA%B2%8C-%ED%95%98%EB%8A%94-%EC%9D%BC%EA%B8%B0%EC%9E%A5-%EB%A9%94%EB%89%B4%EC%96%BC/id1617404636?uo=4)
- **Dev Site:** [Official Website](https://dev-signer.tistory.com)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Lore: Every Chat Hides a Story*](https://marlvel.ai/apps/lore-every-chat-hides-a-story) (Amon Studio) — N/A Rating | N/A Sentiment
- [*DrawMyToday - AI Picture Diary*](https://marlvel.ai/apps/drawmytoday-ai-picture-diary) (CHANHO LEE) — 4.3/5 Rating | Terrible Sentiment
- [*Shine - Timeline diary*](https://marlvel.ai/apps/shine-timeline-diary) (晓松 高) — 4.0/5 Rating | Excellent Sentiment
- [*My AI Journal*](https://marlvel.ai/apps/my-ai-journal) (Kento Umeki) — 5.0/5 Rating | N/A Sentiment
- [*Legacy Lab - Auto Book Creator*](https://marlvel.ai/apps/legacy-lab-auto-book-creator) (AutoBiographer, LLC) — 3.0/5 Rating | Excellent Sentiment
- [*一叶日记·极简卡片心情记录日记*](https://marlvel.ai/apps/justtoday-diary) (荣九 蔡) — 4.7/5 Rating | N/A Sentiment
- [*团纸日记-把生活写成一本书*](https://marlvel.ai/apps/tuanzhiriji-benben) (Shanghai Ningguang Information Technology Co., Ltd.) — 5.0/5 Rating | N/A Sentiment
- [*iMood-心情日记、待办清单*](https://marlvel.ai/apps/imood) (继伟 王) — 5.0/5 Rating | N/A Sentiment
- [*おうち新聞*](https://marlvel.ai/apps/karmait-ouchishinbun) (Ide Koshin) — N/A Rating | N/A Sentiment
- [*Ondo: AI Journal*](https://marlvel.ai/apps/ondo-ai-journal) (Onda Labs, Inc.) — 5.0/5 Rating | Excellent 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:** 0.15/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **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:** 10 days since last refresh

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