Report updated Jul 7, 2026
MINUSカレンダー：AIカレンダーで予定を2タップ作成
For individuals seeking to reduce manual data entry in their daily scheduling through AI automation.
MINUSカレンダー：AIカレンダーで予定を2タップ作成 is an established lifestyle app that is available.
What is MINUSカレンダー：AIカレンダーで予定を2タップ作成?
MINUS Calendar is an AI-powered scheduling utility for iOS that converts voice, text, and images into calendar events.
Users hire the app to eliminate the manual data-entry friction of traditional calendar apps, allowing them to capture appointments from diverse sources in seconds.
Current Momentum
v1.2 · 1mo ago
Maintenance- Launched April 2026.
- Ships AI-first scheduling features.
Active Nemesis
CalenGoo - Calendar and Tasks
By Gunia UG (haftungsbeschränkt)
Other Rivals
7-Day Rank Pulse 🇺🇸
LifestyleNo ranking data
Rating Pulse 🇺🇸
Gathering signals...
What makes this app unique?
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What Are The Key Features?
AI-driven natural language processing converts spoken commands into calendar events.
AI parses pasted email or chat text to extract and format event details automatically.
OCR and AI extraction of event data from photos of posters, flyers, and invitations.
How much does it cost?
- Free tier with basic functionality
- Pro plan at 400 JPY/month or 4,000 JPY/year
Freemium model anchored at 400 JPY/month, with a 17% discount for annual commitment to drive long-term retention.
Who Built It?
Sango Hosoi
View Publisher Intel →Enrichment in progress
Publisher profile available very soon
What other apps does Sango Hosoi make?
What do users think recently?
Analysis in progress, available soon
What is the competitive landscape for MINUSカレンダー：AIカレンダーで予定を2タップ作成?
Where is it available?
Localized markets (1)
How's The Lifestyle Market?
MINUS Calendar targets individuals seeking to reduce manual data entry through AI automation. The app utilizes a freemium model anchored at 400 JPY/month, with a 17% discount for annual commitment to drive long-term retention.
Which niche is MINUSカレンダー：AIカレンダーで予定を2タップ作成 in?
to schedule appointments using artificial intelligence
Explore the full Task Management Loggers niche
Every app in this space (1106 tracked), the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
CalenGoo is a direct competitor in the productivity space, offering robust calendar and task management that targets the same power-user demographic seeking efficient scheduling.
Differentiators
- Features a mature, battle-tested direct sync engine that ensures reliable cross-platform calendar data consistency.
- Offers deep task-in-event integration, allowing users to manage complex workflows within a single interface.
- Provides extensive customization options for calendar views that cater to professional power users' specific needs.
Head to head
MINUS should focus on its AI-first UX to capture users overwhelmed by CalenGoo's dense, feature-heavy interface.
Contenders(4)
DayBlocks competes by focusing on time-blocking and visual scheduling, overlapping with MINUS's goal of simplifying daily planning.
Differentiators
- Uses color-coded urgency indicators to help users visually prioritize their daily tasks and events.
- Provides home screen widgets that offer immediate, at-a-glance visibility into the user's daily schedule.
This app targets users with non-standard work schedules, providing a specialized alternative to general-purpose AI calendars.
Differentiators
- Includes built-in time tracking and pay calculation tools specifically designed for shift-based workers.
- Offers automated notification systems to alert users of upcoming shifts and schedule changes.
ColorCal focuses on visual tracking and privacy, appealing to users who prioritize data security over AI-driven automation.
Differentiators
- Positions itself as a privacy-first tool, avoiding the data-heavy requirements of AI-based scheduling apps.
- Provides specialized tracking for alpha and SDO schedules, catering to specific professional niches.
This app serves a niche professional audience, competing for the attention of users who need specific industry-standard calendar integrations.
Differentiators
- Offers offline functionality that ensures access to schedules without requiring a constant internet connection.
- Includes a dedicated scratchpad feature for quick notes that do not require formal calendar entries.
Same space(3)
ProspectBoss operates in the business productivity space, overlapping with MINUS through its focus on appointment tracking and contact management.
Differentiators
- Integrates a full communication suite alongside calendar tools to manage client outreach and appointments.
- Provides robust offline access, ensuring business users can manage contacts and tasks without connectivity.
Case Manager shares the productivity category by providing specialized tools for managing client-related appointments and billing.
Differentiators
- Combines client database management with integrated billing and cost tracking for professional service providers.
- Implements secure PIN access to protect sensitive client data within the mobile application environment.
This app provides administrative and operational tracking, competing for the attention of business users managing complex schedules.
Differentiators
- Focuses on enterprise-grade administrative tools that support complex operational tracking for business teams.
- Provides a structured interface for managing professional contacts and administrative tasks in one place.
Compare MINUSカレンダー：AIカレンダーで予定を2タップ作成 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.
The outtake for MINUSカレンダー：AIカレンダーで予定を2タップ作成
Strengths to defend, gaps to attack
Core Strengths
- Multimodal AI input reduces scheduling friction
Critical Frictions
- Subscription pricing lacks established user trust
Growth Levers
- B2B distribution via professional tool integrations
Market Threats
- Agent-based scheduling commoditizes simple extraction
What are the next best moves?
Ship high-accuracy OCR validation because image-to-schedule is a core differentiator → increase conversion
Extraction accuracy is the primary value driver for the image-to-schedule feature.
Trade-off: Delay the Android port to focus on iOS extraction precision.
A/B test the 400 JPY/month price point because it lacks established brand trust → improve trial start rate
The subscription model is the primary revenue lever but lacks competitive validation.
Trade-off: Pause the annual discount experiment to isolate monthly conversion data.
A counter-intuitive read
The app's reliance on manual AI triggers is a liability; the future of scheduling is agent-based, meaning MINUS must pivot to persistent memory to avoid being rendered obsolete by autonomous assistants.
Feature Gaps vs Competitors
- Deep task-in-event integration (available in CalenGoo)
- Offline functionality (available in ColorCal)
Key Takeaways
MINUS Calendar offers a compelling AI-first input mechanism, but its success hinges on extraction reliability, so the PM should prioritize accuracy testing over feature expansion to build user trust.
Where Is It Heading?
Mixed Signals
The productivity market is consolidating around AI-native tools, placing MINUS in a high-risk, high-reward position. Without established user trust, the app must prove its extraction accuracy immediately to prevent churn to more feature-rich incumbents.
The app launched recently with a specialized AI focus, but lacks the user-base momentum to challenge incumbents yet.
Sources
- [1] App Store, source