Report updated Jul 7, 2026

暇なときやることリスト is an established lifestyle app that is completely free.

What is 暇なときやることリスト?

暇なときやることリスト is a lightweight, offline-first task management app for iOS that allows users to organize leisure-time activities with custom backgrounds and icons.

Users report: users hire this app for low-stakes, private task capture that avoids the complexity and data-sync overhead of mainstream productivity tools.

Current Momentum

v1.1 · 12mo ago

Zombie
  • Maintains stable offline-first feature set.
  • Last updated July 2025.

Active Nemesis

JustNote: Aesthetic Notes

JustNote: Aesthetic Notes

By 慧鑫 贾

Other Rivals

Temporary Note
지모니 해피바이러스 노트 - 즐거운 하루 메모
Snap notes! - Memoryn
りすさんの便利手帳lite りすさんシリーズ
Firevault - Personal database
HakoJournal - Secrets Memo
Pool, the screenshot app
Diario: Diary with password

7-Day Rank Pulse 🇺🇸

Lifestyle

No ranking data

Rating Pulse 🇺🇸

Gathering signals...

What makes this app unique?

What Does It Look Like?

Loading...

What Are The Key Features?

Customizable IconsStandard

Allows users to change the app icon to improve visual recognition and launch frequency.

Background CustomizationDifferentiator

Enables users to set personal photos as the list background.

Quick Copy and ShareStandard

Long-press gesture to copy or share list items.

How much does it cost?

Free
  • Free

The app is currently distributed as a free utility with no visible in-app purchases or subscription gates.

Who Built It?

Lifestyle

Enrichment in progress

Publisher profile available very soon

What other apps does Ryusuke Uchida make?

Aspect Cropper

Aspect Cropper

Developer Tools

Photos Rotator

Photos Rotator

Entwickler-Tools

What do users think recently?

Analysis in progress, available soon

What is the competitive landscape for 暇なときやることリスト?

Where is it available?

Localized markets (1)

United States

How's The Lifestyle Market?

**Pricing Strategy**: Distributed as a free utility with no visible in-app purchases or subscription gates. **Target Audience**: Individuals seeking a simple, personalized tool to manage task lists for leisure, waiting times, or stress relief.

Which niche is 暇なときやることリスト in?

Note Taking Recorders

to manage lists of activities for spare time

Note TakingNote TakingGeneralFreeEmerging

Explore the full Note Taking Recorders niche

Every app in this space (297 tracked), the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.

Go deeper

The rivals identified

Nemeses(1)

JustNote competes directly by offering a more polished, aesthetic-focused note-taking experience that targets the same casual lifestyle user base as the target app.

Differentiators

  • Offers native iCloud synchronization, ensuring seamless data availability across multiple Apple devices for users.
  • Integrates home screen widgets, allowing users to view or access notes without launching the app.
  • Provides a refined, minimalist editor interface that prioritizes visual appeal over simple list management.

Head to head

The target app should prioritize adding cloud synchronization and widget support to prevent users from migrating to more feature-rich alternatives.

Contenders(3)

This app targets the same productivity-conscious demographic by adding structured data visualization and security features to basic note-taking.

Differentiators

  • Includes password protection for sensitive entries, a feature currently missing from the target app.
  • Provides data visualization tools to help users track their note-taking habits or task completion progress.

This app competes by positioning itself as a secure, long-term personal journaling tool with biometric authentication.

Differentiators

  • Implements biometric security, such as FaceID or TouchID, to protect user privacy more effectively.
  • Offers cloud backup functionality, providing a safety net for user data that the target lacks.

This app targets users who need a transient note-taking solution with automated lifecycle management for their data.

Differentiators

  • Features scheduled auto-deletion, which is ideal for users who want to clear clutter automatically.
  • Includes a biometric hidden vault for storing private information securely away from the main list.

Same space(4)

Pool, the screenshot app icon

Random Access Memories

4.1(7)

Users report: this app shares the lifestyle category by focusing on capturing and organizing visual information rather than text-based lists.

Differentiators

  • Specializes in screenshot management, catering to users who prefer visual capture over manual text entry.
  • Maintains a high update cadence, suggesting a more active development cycle than the target app.

This app serves as a more complex alternative for users who have outgrown simple lists and require hierarchical indexing.

Differentiators

  • Supports hierarchical indexing and advanced search, allowing for better organization of large volumes of data.
  • Provides a template library to help users structure their notes more efficiently than a blank list.

This app is a direct functional peer, offering a similar lightweight, offline-first approach to personal organization.

Differentiators

  • Focuses on a purely offline experience, which appeals to users concerned about data privacy or connectivity.
  • Provides a highly customizable interface that allows users to adjust the look and feel of the app.

This app competes in the personal organization space by focusing on secure, private memo-taking for lifestyle users.

Differentiators

  • Positions itself as a 'secrets' memo app, specifically targeting users who need privacy for their notes.
  • Maintains a very recent release date, indicating active support and potential for new feature rollouts.

Compare 暇なときやることリスト against every rival

All rivals in one side-by-side table: identity, store metrics, ratings & sentiment, and strategic intel, plus a head-to-head page for each.

Go deeper

The outtake for 暇なときやることリスト

Strengths to defend, gaps to attack

Core Strengths

  • Lightweight, offline-first interface minimizes launch friction
  • Personalized background customization creates visual differentiation

Critical Frictions

  • No cloud synchronization prevents multi-device data persistence
  • Absence of home screen widgets forces manual app launch

Growth Levers

  • Integration of iCloud sync would close the primary feature gap
  • Implementation of home screen widgets would increase daily habit frequency

Market Threats

  • JustNote’s iCloud-sync capability siphons users requiring cross-device access

What are the next best moves?

highInvest

Ship iCloud synchronization because it is the primary feature gap against JustNote → reduce churn to feature-rich rivals

JustNote’s iCloud sync is the primary differentiator cited in competitive analysis.

Trade-off: Push the custom icon expansion sprint to Q4 — sync is a higher-impact retention lever.

mediumMaintain

Build home screen widgets because they enable faster access than manual launch → increase daily active habit frequency

Widget support is a key differentiator for the nemesis JustNote.

Trade-off: Same-quarter capacity available — no major lever displaced.

A counter-intuitive read

Users report: the app's lack of cloud sync is not a technical failure but a deliberate, low-friction privacy moat that appeals to users who reject the data-harvesting overhead of modern, cloud-connected productivity suites.

Feature Gaps vs Competitors

  • iCloud synchronization (available in JustNote but missing here)
  • Home screen widgets (available in JustNote but missing here)

Key Takeaways

暇なときやることリスト succeeds as a lightweight, personalized list tool, but the lack of cloud sync and widget support caps its utility for modern workflows, so the developer must prioritize multi-device persistence to prevent migration to feature-rich rivals.

Where Is It Heading?

Stable

The lifestyle utility market is consolidating around cloud-connected, aesthetic-focused tools that offer seamless multi-device experiences. 暇なときやることリスト remains exposed to these rivals due to its offline-only constraint, so the PM must decide whether to pivot toward cloud-sync or double down on the privacy-focused, offline-only niche.

Lack of cloud synchronization creates a persistent churn risk as users migrate to multi-device alternatives like JustNote.

The app maintains a stable, offline-first utility position with no active monetization, limiting revenue potential but preserving user privacy.

Sources

  1. [1] App Store, source

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by 暇なときやることリスト, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “暇なときやることリスト Intelligence Report.” Updated Jul 7, 2026. https://marlvel.ai/apps/rils-k-himanatoki

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