---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "KeyFolder2 - Filelist with PIN"
developer_entity: "Tatsuya Tobioka"
bundle_id: "com.tnantoka.KeyFolder"
app_store_id: "1594374317"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-01-13"
report_date: "2026-08-14"
last_verified: "2026-08-14T00:00:00.000Z"
report_version: "1.1.0"
total_reviews: 0
confidence: "low"
confidence_score: 0.2
data_age_days: 2
intelligence_version: 8
nemesis: "Cleaner AI: Photo Cleanup"
competitor_count: 11
tags: ["utilities", "free", "mobile app", "app review", "app analysis", "users", "seeking", "simple,"]
canonical_url: "https://marlvel.ai/apps/keyfolder2-filelist-with-pin"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# KeyFolder2 - Filelist with PIN Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free

> **TL;DR:** KeyFolder2 - Filelist with PIN is a utilities app by Tatsuya Tobioka, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** KeyFolder2 - Filelist with PIN is a utilities app by Tatsuya Tobioka.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Utilities |
| **Developer** | Tatsuya Tobioka |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.2/1.0) |
| **Data Age** | 2d |

## Metadata & Market Performance
- **Publisher:** Tatsuya Tobioka
- **Category:** Utilities
- **Target Audience:** Users seeking a simple, local-only file organization tool with basic passcode protection for non-confidential documents and media.
- **Platforms:** iOS
- **Version Reviewed:** 1.1.0
- **Report Date:** 2026-08-14
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.2/1.0)
- **App Store ID (iOS):** 1594374317
- **Bundle ID:** com.tnantoka.KeyFolder
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-14

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** KeyFolder2 is an open-source, local-only file browser for iOS that allows users to organize files into folders and lock them with a PIN.
**Why users hire it:** The app removes the cognitive and financial cost of subscription-based cloud storage by providing a simple, local-first alternative for basic file management.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] PIN Security:** Passcode-locked interface to restrict access to the file directory, serving as the primary retention mechanism.
  * *User Intent:* Users prioritize data protection and trust in the platform.
- **[Standard] File Organization:** Categorize and manage files within a folder-based structure, providing a lightweight alternative to automated cleanup tools.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Multi-Window Support:** Optimized for iPad multitasking, a standard utility capability.
<!-- /section:features -->

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

KeyFolder2 operates as a niche utility in the iOS file management space, currently maintaining a 212-day update gap. Its free, open-source model contrasts with the subscription-heavy pricing of broader storage-cleanup rivals.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** KeyFolder2 is entirely free, positioning it as a low-barrier entry for users avoiding subscription-based file management tools.

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

**Core Strengths:**
- Open-source transparency builds trust for local-only file security

**Growth Levers:**
- Localized management targets users avoiding subscription-based cloud tools


<!-- /section:swot -->
## Recent Changes (v7 → v8) {#recent-changes}

The roadmap has shifted from a privacy-first pivot to a defensive maintenance posture, driven by a 212-day update gap that now threatens long-term platform compatibility.

**Overall trend**: Declining
**Compared at**: 2026-08-14

### High-impact changes
- **[Shifted] Roadmap Priority Shift** (swot)

### Medium-impact changes
- **[Added] Update Gap Weakness** (swot)

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

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

### KeyFolder2 - Filelist with PIN vs Cleaner AI: Photo Cleanup
- **[Cleaner AI: Photo Cleanup](https://marlvel.ai/apps/com-codespaceapps-cleanerv2)** by Codespace Dijital Hizmetler Anonim Şirketi: This app competes directly by offering a secure private vault for media, overlapping with KeyFolder's core value proposition of file privacy and organization.
  - **Key differences:**
    - Leverages AI-driven storage analysis to automatically identify and remove duplicate files for users
    - Offers advanced utility features like video compression and charging animations to increase daily engagement
    - Maintains a high-frequency release cadence with five updates in the last six months alone

### Contenders (Strong Challengers)
- **[AppCleaner - Clean Storage](https://marlvel.ai/apps/appcleaner-clean-storage)** by NicklasProdStudio: Competes for the same user base looking for 'secret space' and file organization utilities on iOS.
  - Integrates contact management alongside media cleanup to provide a more holistic device maintenance suite
  - Utilizes a dedicated secret space feature that directly mirrors KeyFolder's primary security value proposition
- **[Expert File Services](https://marlvel.ai/apps/com-ff-expert-file-services-tools)** by Oatchip Systems: Acts as a broader file management competitor by offering duplicate cleaning and system-level file tools.
  - Includes an APK manager and big file scanner to help users reclaim significant device storage
  - Maintains a modern release schedule with recent updates to keep pace with iOS system changes
- **[unzip + zip & send](https://marlvel.ai/apps/unzip-zip-send)** by Gianluca Natalini: Targets the same utility-focused audience by providing essential file compression and decompression tools for iOS users.
  - Focuses on cross-app integration to streamline the workflow of sending files to other applications
  - Provides a specialized toolset for rapid file compression that KeyFolder currently lacks in its roadmap
- **[Unarchiver : Zip Unzip](https://marlvel.ai/apps/unarchiver-zip-unzip)** by Axita Ghevariya: Competes in the file management space by providing encryption and archive handling, which are natural extensions of KeyFolder's file-locking utility.
  - Includes native cloud storage integration for managing files stored on external platforms like Drive
  - Supports multi-format archive decompression which is essential for power users managing compressed file sets

### Peers (What They Do Better)
- **[Contacts to Outlook CSV file](https://marlvel.ai/apps/contacts-to-outlook-csv-file)** by Dropouts Technologies LLP: Relates to KeyFolder through the shared need for secure, selective file management and export utilities.
  - Specializes in bulk processing and selective export, catering to users with specific data migration needs
  - Includes a built-in file previewer that allows users to verify data before performing final exports
- **[Sable.](https://marlvel.ai/apps/sable)** by Tyler Plesetz: Competes for the user's attention in the utility space by offering advanced file integration and iOS-native widgets.
  - Leverages native iOS widgets and live activities to provide real-time status updates to the user
  - Features robust queue management for file operations, offering a more professional-grade file handling experience
- **[Photo to PDF: Converter Plus](https://marlvel.ai/apps/photo-to-pdf-converter-plus)** by Bart Jacobs: Targets users who need to organize and transform media files, overlapping with KeyFolder's photo import capabilities.
  - Offers advanced export customization options for PDF documents that go beyond simple file storage
  - Prioritizes privacy-focused processing, positioning itself as a secure alternative for sensitive document handling
- **[Word to PDF Converter Plus](https://marlvel.ai/apps/word-to-pdf-converter-plus)** by Bart Jacobs: Shares the utility category by focusing on specific file format transformations and secure document processing.
  - Provides a dedicated conversion history log to help users track their document processing workflows
  - Focuses on high-fidelity format conversion which serves as a specialized alternative to general file browsing

### New Kids on the Block (What's Innovative)
- **[fmtNOW - File Converter](https://marlvel.ai/apps/fmtnow-file-converter)** by Gelotto: A new utility app that focuses on local file processing and format conversion, directly challenging KeyFolder's file handling utility.
  - Emphasizes local processing to ensure user data never leaves the device during format conversion tasks
- **[Video Downloader & Launcher](https://marlvel.ai/apps/com-videoplayer-allvideo-videodownloader-browser-hdsaver)** by OMRUP INFOTECH: A new entrant in the tools category that captures users looking for media-centric file management and downloading capabilities.
  - Combines a proxy browser with a smart download manager to capture media directly from the web

<!-- /section:rivals -->
<!-- section:momentum -->
## App Momentum (Steady) {#momentum}

- No store updates for 212 days.

<!-- /section:momentum -->

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

KeyFolder2 - Filelist with PIN is an utilities app that is completely free.

<!-- speakable-start -->
> **Bottom Line:** The open-source, local-only model provides a clear value proposition for privacy-conscious users, but the 212-day update gap threatens long-term viability. Addressing system compatibility would secure the existing user base against more active, feature-heavy rivals.
<!-- speakable-end -->

**Best for:** Users seeking a simple, local-only file organization tool with basic passcode protection for non-confidential documents and media.

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

- [ ] [MAINTAIN] Audit iOS compatibility because the 212-day update gap risks churn → maintain platform trust
<!-- /section:pm-actions -->

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


- Automated duplicate detection (available in Cleaner AI but absent here)
<!-- /section:feature-gaps -->

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

The utility market is consolidating around automated, AI-driven storage tools that offer higher value-per-update. KeyFolder2's lack of recent activity suggests it will struggle to retain users who require ongoing iOS system support, potentially leading to a decline in active usage as the app falls behind system-level changes.

- 🔴 The 212-day update gap suggests a maintenance-only posture, which leaves the app vulnerable to rivals with active, high-frequency release cadences.
<!-- /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 | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **KeyFolder2 - Filelist with PIN** (this app) | N/A/5 | N/A | Tatsuya Tobioka |
| [Expert File Services](https://marlvel.ai/apps/com-ff-expert-file-services-tools) | 3.6/5 | N/A | Oatchip Systems |
| [Video Downloader & Launcher](https://marlvel.ai/apps/com-videoplayer-allvideo-videodownloader-browser-hdsaver) | N/A/5 | N/A | OMRUP INFOTECH |
| [Unarchiver : Zip Unzip](https://marlvel.ai/apps/unarchiver-zip-unzip) | 3.0/5 | Mixed | Axita Ghevariya |
| [Sable.](https://marlvel.ai/apps/sable) | 4.6/5 | N/A | Tyler Plesetz |
| [unzip + zip & send](https://marlvel.ai/apps/unzip-zip-send) | 5.0/5 | N/A | Gianluca Natalini |

## Company Profile
- **Developer:** Tatsuya Tobioka
- **Website:** [https://keyfolder.tnantoka.com/](https://keyfolder.tnantoka.com/)
- **Social:** [X/Twitter](https://twitter.com/tnantoka)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/keyfolder2-filelist-with-pin/id1594374317?uo=4)
- **Dev Site:** [Official Website](https://keyfolder.tnantoka.com/)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*Expert File Services*](https://marlvel.ai/apps/com-ff-expert-file-services-tools) (Oatchip Systems) · 3.6/5 Rating
- [*Video Downloader & Launcher*](https://marlvel.ai/apps/com-videoplayer-allvideo-videodownloader-browser-hdsaver) (OMRUP INFOTECH) · N/A Rating
- [*Unarchiver : Zip Unzip*](https://marlvel.ai/apps/unarchiver-zip-unzip) (Axita Ghevariya) · 3.0/5 Rating
- [*Sable.*](https://marlvel.ai/apps/sable) (Tyler Plesetz) · 4.6/5 Rating
- [*unzip + zip & send*](https://marlvel.ai/apps/unzip-zip-send) (Gianluca Natalini) · 5.0/5 Rating
- [*fmtNOW - File Converter*](https://marlvel.ai/apps/fmtnow-file-converter) (Gelotto) · N/A Rating
- [*Photo to PDF: Converter Plus*](https://marlvel.ai/apps/photo-to-pdf-converter-plus) (Bart Jacobs) · 4.3/5 Rating
- [*Word to PDF Converter Plus*](https://marlvel.ai/apps/word-to-pdf-converter-plus) (Bart Jacobs) · 5.0/5 Rating
- [*Contacts to Outlook CSV file*](https://marlvel.ai/apps/contacts-to-outlook-csv-file) (Dropouts Technologies LLP) · 4.2/5 Rating
- [*AppCleaner - Clean Storage*](https://marlvel.ai/apps/appcleaner-clean-storage) (NicklasProdStudio) · 4.3/5 Rating

## Frequently Asked Questions {#faq}

### Is KeyFolder2 safe for confidential files?

No. The developer explicitly notes that files are not encrypted and advises against storing confidential information within the app.

### How does KeyFolder2 compare to Cleaner AI?

KeyFolder2 is a manual, local-only file browser, whereas Cleaner AI uses automated AI to detect and remove duplicate files, offering a broader utility set.

### What is a free alternative to KeyFolder2?

Users seeking file management can consider broader tools like AppCleaner or Unarchiver, though these often include different feature sets like cloud integration.

## 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 into synthesised themes (no verbatim quotes).
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:** 2 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/keyfolder2-filelist-with-pin)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.