---
title: "私の美肌日記 ~変化がわかる・ロック・ローカルで安心~ — App Overview"
url: https://marlvel.ai/apps/app--577
category: Health & Fitness
developer: takuya kimura
platforms: ios
rating: N/A (0 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T07:07:32.884Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** The app differentiates itself by prioritizing privacy-focused local storage and biometric security for sensitive skincare progress tracking.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | N/A ★ (0) |
| Pricing | free |
| Platforms | iOS |
| Latest Version (iOS) | 1.0.1 |
| Developer | takuya kimura |

<!-- SECTION: Summary -->
## What is 私の美肌日記 ~変化がわかる・ロック・ローカルで安心~?

私の美肌日記 is a health and fitness app designed for users to track daily skin conditions and skincare routines through photo documentation. It emphasizes user privacy by utilizing local storage and biometric authentication to secure sensitive facial data. The app includes a specialized comparison mode to help users identify skin changes over time.

<!-- SECTION: Key Features -->
## Key Features

- **Face ID / Touch ID Lock**: Secures the app with biometric authentication to protect sensitive facial photos.
- **Local Storage**: Prioritizes data privacy by storing records primarily on the user's device.
- **Natu-Kime Mode**: A specialized viewing mode designed to facilitate easy comparison of skin condition changes.
- **Daily Recording**: Allows users to log skincare products and lifestyle factors alongside facial photos to track correlations.

<!-- SECTION: Target Audience -->
## Who is it for?

Individuals interested in monitoring the effectiveness of their skincare routines and identifying patterns in their skin health.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/%E7%A7%81%E3%81%AE%E7%BE%8E%E8%82%8C%E6%97%A5%E8%A8%98-%E5%A4%89%E5%8C%96%E3%81%8C%E3%82%8F%E3%81%8B%E3%82%8B-%E3%83%AD%E3%83%83%E3%82%AF-%E3%83%AD%E3%83%BC%E3%82%AB%E3%83%AB%E3%81%A7%E5%AE%89%E5%BF%83/id6759209989?uo=4)
- [Full Intelligence Report](https://marlvel.ai/apps/app--577)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/app--577).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*