---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "하루하루: 육아일기"
developer_entity: "HONGGEUN KIM"
bundle_id: "com.haruharu.harangNote"
app_store_id: "6755212364"
category: "Lifestyle"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2025-11-26"
report_date: "2026-07-07"
last_verified: "2026-07-07T18:08:58.266Z"
report_version: "1.0.7"
total_reviews: 0
confidence: "low"
confidence_score: 0.15
data_age_days: 9
momentum_velocity: "zombie"
intelligence_version: 3
nemesis: "Baby Tracker & Diary - CuboAi"
competitor_count: 11
tags: ["lifestyle", "free", "mobile app", "app review", "app analysis", "parents", "seeking", "simple,"]
canonical_url: "https://marlvel.ai/apps/haruharu-harangnote"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# 하루하루: 육아일기 App Audit

## TL;DR {#tldr}

- **Category**: Lifestyle · Free

> **TL;DR:** 하루하루: 육아일기 is a lifestyle app by HONGGEUN KIM, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** 하루하루: 육아일기 is a lifestyle app by HONGGEUN KIM.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Lifestyle |
| **Developer** | HONGGEUN KIM |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.15/1.0) |
| **Data Age** | 9d |

## Metadata & Market Performance
- **Publisher:** HONGGEUN KIM
- **Category:** Lifestyle
- **Target Audience:** Parents seeking a simple, low-friction digital tool to document their child's daily development.
- **Platforms:** iOS
- **Version Audited:** 1.0.7
- **Audit Date:** 2026-07-07
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.15/1.0)
- **App Store ID (iOS):** 6755212364
- **Bundle ID:** com.haruharu.harangNote
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-07-07

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** 하루하루: 육아일기 is a text-based parenting journal for iOS that allows parents to log daily growth memories in a simple, non-intrusive format.
**Why users hire it:** Users hire this app to document daily moments without the friction of clinical data entry, serving the need for low-stakes memory keeping.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Basic] Daily Parenting Journal:** Text-based logging interface for recording daily events and memories of a child's growth.
  * *User Intent:* Users are motivated by consistent progression and daily incentives.
- **[Standard] Account Authentication:** User account system for persistent data storage and cross-session access.
<!-- /section:features -->

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

The app occupies a niche in the lifestyle category as a lightweight alternative to data-heavy trackers. Its lack of monetization and clinical features creates a clear divide between it and competitors like CuboAi, which leverage automated analytics to drive retention.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free access to all features
- **Analysis:** The app operates as a free utility with no visible subscription or IAP gates following the removal of interstitial ads.

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

**Core Strengths:**
- Low-friction text interface minimizes daily time investment

**Critical Frictions:**
- Lack of multi-user support prevents collaborative parenting records

**Growth Levers:**
- Integration of photo-based growth timelines could capture memory-keeping segments

**Market Threats:**
- Clinical-style trackers adding 'lite' modes could drain the user base

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

The report shows no product changes but updates the competitive assessment to reflect a market shift toward clinical-utility integration.

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

### High-impact changes
- **[Shifted] Market Outlook Pivot** (positioning) — Outlook shifted from exploring B2B pediatric partnerships to acknowledging market consolidation around clinical-utility tools.

### Medium-impact changes
- **[Shifted] Threat Profile Update** (swot) — Threats shifted from 'new entrants with lock-screen widgets' to 'clinical-style trackers adding lite modes' to capture the user base.
- **[Shifted] Feature Gap Refinement** (features) — Feature gap list updated to replace 'Automated data summarization' with 'WHO percentile growth charts'.

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

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

### 하루하루: 육아일기 vs Baby Tracker & Diary - CuboAi — Head to Head
- **[Baby Tracker & Diary - CuboAi](https://marlvel.ai/apps/baby-tracker-diary-cuboai)** by CuboAi: CuboAi competes directly by offering a comprehensive, data-driven approach to parenting logs that mirrors the daily recording intent of 하루하루.
  - **Key differences:**
    - Offers automated data summarization that reduces the manual entry burden for busy parents
    - Provides multi-user support, allowing both parents to contribute to the same child's timeline
    - Features a timeline-based UI optimized for single-handed operation during infant care tasks
  - **Where 하루하루: 육아일기 wins:**
    - ✅ Focuses on simple, low-friction memory keeping rather than complex data tracking
    - ✅ Avoids the potential privacy concerns users report regarding hardware-integrated baby monitoring apps
  - **Where Baby Tracker & Diary - CuboAi wins:**
    - ❌ Provides robust, automated data analytics that help parents identify trends in baby behavior
    - ❌ Leverages a larger ecosystem of hardware and software integration to lock in users
  - **Verdict:** The target should lean into its identity as a lightweight, non-intrusive diary to attract users overwhelmed by the complexity of data-heavy trackers.

### Contenders (Strong Challengers)
- **[Babys Log Book](https://marlvel.ai/apps/babys-log-book)** by Anthoney Melcher: This app serves as a direct alternative for users seeking a private, log-based approach to parenting records.
  - Prioritizes privacy-focused local storage, appealing to users wary of cloud-based data harvesting
  - Includes native data export functionality, allowing users to maintain ownership of their records
- **[Good Night Camera Silent](https://marlvel.ai/apps/good-night-camera-silent)** by BYNET: It overlaps with the target by combining photo-based memory keeping with a growth diary format.
  - Enables silent photo capture to document sleeping children without disturbing them
  - Integrates a calendar view specifically designed for organizing photo-based growth memories
- **[Turninator](https://marlvel.ai/apps/turninator)** by Mark Davis: This app competes for the attention of parents managing shared responsibilities and alternating care schedules.
  - Specializes in turn-based tracking and participant management for shared parenting duties
  - Provides detailed statistical tracking of care distribution between multiple caregivers
- **[KidBase](https://marlvel.ai/apps/kidbase)** by Jared Eddie Countryman: KidBase targets the same demographic of parents looking to document growth, but adds clinical-style tracking features.
  - Includes WHO percentile charts for objective growth tracking missing from the target app
  - Utilizes quick-log widgets to capture events directly from the iOS home screen

### Peers (What They Do Better)
- **[kidesia Eltern](https://marlvel.ai/apps/ch-kidesia-ionic-app)** by kidesia GmbH: It serves as a communication bridge between parents and childcare providers, overlapping in the parenting lifestyle space.
  - Supports spontaneous booking of childcare services directly through the app interface
  - Provides a centralized hub for news notifications and photo galleries from daycare providers
- **[iBaby Home](https://marlvel.ai/apps/ibaby-home)** by iBaby Labs, Inc.: This app competes by offering high-tech monitoring and analytics for the same parenting audience.
  - Integrates proprietary Yobi-PPG sensing technology for advanced health and anomaly detection
  - Provides deep data analytics that go beyond simple diary entries to monitor infant vitals
- **[Stork Baby Names](https://marlvel.ai/apps/stork-baby-names)** by Constant Heritage, LLC: It targets the pre-birth phase of the same parenting lifecycle, focusing on collaborative decision-making.
  - Uses a swipe-based matching interface to gamify the process of selecting baby names
  - Enables partner invitation to compare and match name preferences in a shared repository
- **[HomeDay](https://marlvel.ai/apps/homeday)** by ShenZhen West Innovation and Technology Co., Ltd.: HomeDay occupies the same lifestyle category by focusing on family organization and schedule management.
  - Uses AI-powered voice parsing to create schedules from natural language input
  - Facilitates family group synchronization to keep all members aligned on daily events

### New Kids on the Block (What's Innovative)
- **[PawProof: Pet Vaccine Tracker](https://marlvel.ai/apps/pawproof-pet-vaccine-tracker)** by Golfsum PLLC: While focused on pets, it competes for the same 'diary and tracking' user behavior in the lifestyle category.
  - Uses smart scan OCR to digitize physical medical records and automate vaccine reminders
- **[Kids Growth Diary - KidsMoment](https://marlvel.ai/apps/kids-growth-diary-kidsmoment)** by SAYAKA KAMIYA: A new entrant focusing on rapid, widget-based entry for daily parenting moments.
  - Features lock screen widget input for near-instantaneous logging of daily activities

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

- **Latest (v1.0.7, 7 months ago):** Removed interstitial ads, fixed login persistence issues, and added version information.
<!-- /section:whats-new -->

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

- Released initial version Nov 2025.
- Maintains free-access utility model.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 223 days since last update

<!-- /section:momentum -->

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

하루하루: 육아일기 is an established lifestyle app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** 하루하루: 육아일기 succeeds as a lightweight, non-intrusive diary, but its lack of collaborative features and growth analytics limits its long-term retention against data-driven rivals, so the PM should prioritize multi-user support to increase the switching cost for families.
<!-- speakable-end -->

**Best for:** Parents seeking a simple, low-friction digital tool to document their child's daily development.

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

- [ ] [INVEST] [HIGH IMPACT] Ship multi-user support because it is the top gap against CuboAi → increase retention via shared parenting utility — *CuboAi's multi-user support is a key differentiator that forces this app to be a solo-user tool.* _(trade-off: deprioritize Push the photo-timeline feature to Q2 — multi-user support is a higher-impact retention lever.)_
<!-- /section:pm-actions -->

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

- Multi-user support (available in CuboAi but missing here)
- WHO percentile growth charts (available in KidBase but missing here)
<!-- /section:feature-gaps -->

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

The parenting diary market is consolidating around tools that offer both memory keeping and clinical utility. 하루하루: 육아일기 remains in a vulnerable position by focusing only on the former, which will likely lead to churn as parents seek more comprehensive solutions as their children grow.

- ⚪ The app maintains a simple, free-access model, which lowers the barrier to entry but fails to build a long-term retention loop.
- 🔴 The absence of collaborative features and clinical analytics leaves the app exposed to feature-rich competitors that offer more utility for the same effort.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **하루하루: 육아일기** (this app) | N/A/5 | N/A | HONGGEUN KIM |
| [kidesia Eltern](https://marlvel.ai/apps/ch-kidesia-ionic-app) | 4.6/5 | N/A | kidesia GmbH |
| [Turninator](https://marlvel.ai/apps/turninator) | 4.0/5 | N/A | Mark Davis |
| [Good Night Camera Silent](https://marlvel.ai/apps/good-night-camera-silent) | 5.0/5 | N/A | BYNET |
| [Baby Tracker & Diary - CuboAi](https://marlvel.ai/apps/baby-tracker-diary-cuboai) | 4.6/5 | N/A | CuboAi |
| [iBaby Home](https://marlvel.ai/apps/ibaby-home) | 3.0/5 | N/A | iBaby Labs, Inc. |

## Company Profile
- **Developer:** HONGGEUN KIM
- **Website:** [https://d2g48d2a1ufhmh.cloudfront.net](https://d2g48d2a1ufhmh.cloudfront.net)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/%ED%95%98%EB%A3%A8%ED%95%98%EB%A3%A8-%EC%9C%A1%EC%95%84%EC%9D%BC%EA%B8%B0/id6755212364?uo=4)
- **Dev Site:** [Official Website](https://d2g48d2a1ufhmh.cloudfront.net)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*kidesia Eltern*](https://marlvel.ai/apps/ch-kidesia-ionic-app) (kidesia GmbH) — 4.6/5 Rating | N/A Sentiment
- [*Turninator*](https://marlvel.ai/apps/turninator) (Mark Davis) — 4.0/5 Rating | N/A Sentiment
- [*Good Night Camera Silent*](https://marlvel.ai/apps/good-night-camera-silent) (BYNET) — 5.0/5 Rating | N/A Sentiment
- [*Baby Tracker & Diary - CuboAi*](https://marlvel.ai/apps/baby-tracker-diary-cuboai) (CuboAi) — 4.6/5 Rating | N/A Sentiment
- [*iBaby Home*](https://marlvel.ai/apps/ibaby-home) (iBaby Labs, Inc.) — 3.0/5 Rating | N/A Sentiment
- [*Stork Baby Names*](https://marlvel.ai/apps/stork-baby-names) (Constant Heritage, LLC) — 5.0/5 Rating | N/A Sentiment
- [*Babys Log Book*](https://marlvel.ai/apps/babys-log-book) (Anthoney Melcher) — N/A Rating | N/A Sentiment
- [*HomeDay*](https://marlvel.ai/apps/homeday) (ShenZhen West Innovation and Technology Co., Ltd.) — 5.0/5 Rating | Mixed Sentiment
- [*KidBase*](https://marlvel.ai/apps/kidbase) (Jared Eddie Countryman) — 5.0/5 Rating | N/A Sentiment
- [*Kids Growth Diary - KidsMoment*](https://marlvel.ai/apps/kids-growth-diary-kidsmoment) (SAYAKA KAMIYA) — N/A 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:** 0.15/1.0 (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:** 9 days since last refresh

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