---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Feather - 기억은 남기고 기록은 날리세요"
developer_entity: "remain.corp"
bundle_id: "com.remain.Feather"
app_store_id: "6758260584"
category: "Lifestyle"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-04-06"
report_date: "2026-07-04"
last_verified: "2026-07-04T17:13:19.254Z"
report_version: "1.0.1"
total_reviews: 0
confidence: "low"
confidence_score: 0.2
data_age_days: 11
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "State of Being: Daily Tracker"
competitor_count: 7
tags: ["lifestyle", "free", "mobile app", "app review", "app analysis", "privacy-conscious", "individuals", "seeking"]
canonical_url: "https://marlvel.ai/apps/feather"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Feather - 기억은 남기고 기록은 날리세요 App Audit

## TL;DR {#tldr}

- **Category**: Lifestyle · Free

> **TL;DR:** Feather - 기억은 남기고 기록은 날리세요 is a lifestyle app by remain.corp, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Feather - 기억은 남기고 기록은 날리세요 is a lifestyle app by remain.corp.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Lifestyle |
| **Developer** | remain.corp |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 11d |

## Metadata & Market Performance
- **Publisher:** remain.corp
- **Category:** Lifestyle
- **Target Audience:** Privacy-conscious individuals seeking a lightweight tool to manage personal assets like gift cards and coupons without cloud dependency.
- **Platforms:** iOS
- **Version Audited:** 1.0.1
- **Audit Date:** 2026-07-04
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 6758260584
- **Bundle ID:** com.remain.Feather
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-07-04

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Feather is a lightweight, local-only memory-tracking app for iOS that allows users to organize items and coupons by personal contacts.
**Why users hire it:** Users hire Feather to manage sentimental items and expiration dates without the privacy risks or account requirements of cloud-based trackers.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Contact-linked Item Tracking:** Associates items with contacts to anchor records to relationships.
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Expiry Tracking:** Monitors expiration dates to prevent asset loss.
  * *User Intent:* Users want visibility into their own performance and progress.
- **[Differentiator] Local-only Data Storage:** Stores all data on-device, eliminating account requirements.
<!-- /section:features -->

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

Feather currently holds no rating count on the iOS platform following its March 2026 release. The lack of social proof in a crowded lifestyle category signals a high barrier to organic discovery against established AI-journaling competitors.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Fully free
- **Analysis:** The app operates as a free, privacy-first utility with no visible monetization.

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

**Core Strengths:**
- Local-only storage functions as a privacy-first moat against cloud-reliant competitors
- Contact-linked tracking differentiates the app from generic list-management tools

**Critical Frictions:**
- Zero rating count on iOS limits organic discovery
- Manual entry requirement creates high friction compared to AI-automated rivals

**Growth Levers:**
- Wearable integration would solve the 'moments between moments' capture need
- Export/import functionality would mitigate the risk of local-only data loss

**Market Threats:**
- AI-driven journaling apps automate logging, rendering manual entry tools obsolete
- Lack of social proof makes user acquisition difficult against established rivals

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

The assessment of the app's competitive position has declined due to the confirmation of zero ratings on the iOS platform, which highlights significant challenges in organic discovery and user acquisition.

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

### High-impact changes
- **[Shifted] Market Position Pivot** (positioning) — Narrative shifted from focusing on the 'minimalist lifestyle niche' to highlighting the 'high barrier to organic discovery' due to zero ratings.
- **[Added] New SWOT Items** (swot) — Added 'Zero rating count on iOS' (weakness) and 'Lack of social proof' (threat) to the analysis.

### Medium-impact changes
- **[Added] New Strategic Opportunities** (swot) — Added 'Wearable integration' for capture and 'Export/import functionality' to mitigate data loss risks.
- **[Declined] Outlook Trend** (positioning) — Trend rating moved from 'stable' to 'mixed' based on the lack of rating history and high manual entry friction.

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

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

### Feather - 기억은 남기고 기록은 날리세요 vs State of Being: Daily Tracker — Head to Head
- **[State of Being: Daily Tracker](https://marlvel.ai/apps/state-of-being-daily-tracker)** by Michael Greer: Both apps target the lifestyle segment by focusing on personal documentation and memory retention, competing for the same daily user attention span.
  - **Key differences:**
    - Offers structured multi-state tracking that provides deeper analytical insights than Feather's lightweight memory logging approach.
    - Integrates habit and goal tracking directly into the daily flow, creating higher user stickiness than Feather.
  - **Where Feather - 기억은 남기고 기록은 날리세요 wins:**
    - ✅ Feather provides a more minimalist, low-friction interface for users who find complex habit trackers overwhelming.
    - ✅ Focuses specifically on sentimental item management rather than rigid goal-oriented productivity metrics.
  - **Where State of Being: Daily Tracker wins:**
    - ❌ Established rating history and user base provide social proof that Feather currently lacks.
    - ❌ Advanced state-tracking features offer a more comprehensive data set for users interested in self-quantification.
  - **Verdict:** Feather should lean into its 'lightweight' identity to avoid a feature war, focusing on emotional resonance rather than data-heavy tracking.

### Peers (What They Do Better)
- **[DrawMyToday - AI Picture Diary](https://marlvel.ai/apps/drawmytoday-ai-picture-diary)** by CHANHO LEE: This app competes by transforming daily logs into visual AI art, offering a creative alternative to Feather's text-based memory management.
  - Generates unique AI-based imagery for every entry, providing a visual diary experience that Feather lacks.
  - Features a calendar-based mood tracker that visualizes emotional trends over time for the user.
- **Ondo: AI Journal** by Onda Labs, Inc.: Ondo competes directly by leveraging AI to facilitate daily reflection, targeting the same demographic of users seeking digital memory organization.
  - Utilizes AI to synthesize daily reflections, offering a more guided experience than Feather's open-ended tracking.
  - Higher review volume and consistent updates suggest a more mature feature set and stronger user retention.
- **[人生瞬间](https://marlvel.ai/apps/jinakeji-moment)** by Hangzhou Jina Information Technology Co., Ltd.: It occupies the same niche of private, reflective journaling, appealing to users who prioritize privacy and a social-free environment.
  - Provides a dedicated 'hidden moment' management system that offers more granular privacy controls than Feather.
  - Maintains a strictly social-free environment, positioning itself as a sanctuary for personal thoughts and memories.
- **[My AI Journal](https://marlvel.ai/apps/my-ai-journal)** by Kento Umeki: This app competes by offering AI-driven content generation, which serves as a functional alternative to Feather's manual memory tracking.
  - Automates the journaling process through AI generation, reducing the manual effort required by Feather users.
  - Includes native photo attachment capabilities that enhance the visual storytelling experience compared to Feather's current scope.

### 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 disrupts the space by repurposing existing chat data into narratives, offering a passive alternative to Feather's active logging.
  - Integrates directly with WhatsApp to extract and generate narratives, eliminating the need for manual data entry.
- **[おうち新聞](https://marlvel.ai/apps/karmait-ouchishinbun)** by Ide Koshin: This newcomer introduces a unique 'family newspaper' format that challenges Feather's individual-centric memory tracking model.
  - Automates the creation of a weekly family newspaper, shifting the focus from individual tracking to collective storytelling.

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

- **Latest (v1.0.1, 2 months ago):** General app stability improvements.
<!-- /section:whats-new -->

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

- Launched on iOS in March 2026.
- Maintains privacy-first local storage model.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 89 days since last update

<!-- /section:momentum -->

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

Feather - 기억은 남기고 기록은 날리세요 is an established lifestyle app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** Feather provides a clean, privacy-first interface for sentimental item management, but the lack of social proof and manual-only entry limits its growth against AI-automated rivals, so the PM should prioritize a 'quick-capture' widget to reduce the friction of manual logging.
<!-- speakable-end -->

**Best for:** Privacy-conscious individuals seeking a lightweight tool to manage personal assets like gift cards and coupons without cloud dependency.

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

- [ ] [INVEST] [HIGH IMPACT] Ship a home-screen quick-capture widget because manual entry is the primary friction point → reduce user churn — *Manual entry is the top friction point identified in the app's 'lightweight' value proposition* _(trade-off: deprioritize Push the planned 'export data' feature to Q3 — widget usage is a higher-frequency retention lever.)_
- [ ] [MAINTAIN] [MEDIUM IMPACT] Audit the onboarding flow to include a 'rate us' prompt because the app has zero ratings → improve organic discovery — *The app has zero ratings on the iOS platform* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_
<!-- /section:pm-actions -->

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

- AI-automated log generation (available in Ondo and My AI Journal but missing here)
- Cross-device cloud synchronization (available in State of Being but missing here)
<!-- /section:feature-gaps -->

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

The lifestyle tracking market is consolidating around AI-automated tools that reduce user effort, leaving manual-entry apps like Feather exposed. Without a clear path to social proof or automated data ingestion, the app will struggle to gain traction against rivals that offer lower-friction experiences.

- 🔴 The lack of rating history following the launch suggests low organic install velocity, which limits the data available for iterative feature improvements.
- ⚪ The current manual-only entry model requires high user intent, which restricts the potential audience to power users rather than casual memory-trackers.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Feather - 기억은 남기고 기록은 날리세요** (this app) | N/A/5 | N/A | remain.corp |
| [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 |
| [State of Being: Daily Tracker](https://marlvel.ai/apps/state-of-being-daily-tracker) | 5.0/5 | N/A | Michael Greer |
| [My AI Journal](https://marlvel.ai/apps/my-ai-journal) | 5.0/5 | N/A | Kento Umeki |
| [人生瞬间](https://marlvel.ai/apps/jinakeji-moment) | 4.8/5 | N/A | Hangzhou Jina Information Technology Co., Ltd. |

## Company Profile
- **Developer:** remain.corp
- **Website:** [https://sourcingtree.github.io](https://sourcingtree.github.io)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/feather-%EA%B8%B0%EC%96%B5%EC%9D%80-%EB%82%A8%EA%B8%B0%EA%B3%A0-%EA%B8%B0%EB%A1%9D%EC%9D%80-%EB%82%A0%EB%A6%AC%EC%84%B8%EC%9A%94/id6758260584?uo=4)
- **Dev Site:** [Official Website](https://sourcingtree.github.io)
- **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
- [*State of Being: Daily Tracker*](https://marlvel.ai/apps/state-of-being-daily-tracker) (Michael Greer) — 5.0/5 Rating | N/A Sentiment
- [*My AI Journal*](https://marlvel.ai/apps/my-ai-journal) (Kento Umeki) — 5.0/5 Rating | N/A Sentiment
- [*人生瞬间*](https://marlvel.ai/apps/jinakeji-moment) (Hangzhou Jina Information Technology Co., Ltd.) — 4.8/5 Rating | N/A Sentiment
- [*おうち新聞*](https://marlvel.ai/apps/karmait-ouchishinbun) (Ide Koshin) — N/A Rating | N/A Sentiment
- [*Tinder Dating App: Date & Chat*](https://marlvel.ai/apps/tinder-dating-app-date-chat) (Tinder LLC) — 4.0/5 Rating | Terrible Sentiment
- [*Alarmy - Loud alarm clock*](https://marlvel.ai/apps/alarmy-loud-alarm-clock) (Delight Room Co., Ltd.) — 4.8/5 Rating | Positive Sentiment
- [*AlarmMon ( alarm clock )*](https://marlvel.ai/apps/alarmmon-alarm-clock) (Malang Studio Co. Ltd,) — 4.2/5 Rating | Mixed Sentiment
- [*Swiftime*](https://marlvel.ai/apps/swiftime) (MEDIANO Co.,Ltd.) — 4.5/5 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:** 0.2/1.0 (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:** 11 days since last refresh

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