By Akihiro Usui
Report updated Apr 28, 2026
Calphace
For apple Watch users seeking a quick, visual way to reference the current or following month's calendar without interacting with complications.
Overview · Full Intel report in progress
Calphace is an established utilities app that is completely free.
What is Calphace?
Current Momentum
v1.50
・Updated the SDKs. ・Fixed minor bugs.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Creates a composite image of a calendar overlaid on a chosen photo for use as a watch face.
Allows users to adjust the size and position of the calendar image via a preview interface.
Provides options to customize the text colors for years, months, weekdays, Saturdays, and holidays.
Enables users to generate calendar images for either the current month or the following month.
How much does it cost?
Who Built It?
Akihiro Usui
Providing minimalist utility and productivity tools designed to streamline specific workflows for Apple Watch and iOS power users.
Portfolio
7
Apps
Who is Akihiro Usui?
Akihiro Usui, operating as Broad Connect System, occupies a niche in the 'micro-utility' space, focusing on solving highly specific friction points within the Apple ecosystem, particularly for watchOS. Their strategic advantage lies in a utility-first philosophy that prioritizes high-density information and rapid input over traditional visual aesthetics. The publisher's current trajectory shows a heavy investment in specialized watchOS complications, positioning them as a developer for users who treat their wearable devices as high-efficiency tools rather than entertainment hubs.
Who is Akihiro Usui for?
- Apple Watch power users
- IOS enthusiasts seeking high-density information layouts
- Distraction-free productivity tools
Portfolio momentum
Maintains an extremely high update frequency with 47 releases across 7 active apps in the last 6 months, indicating a rapid iteration and maintenance cycle.
What other apps does Akihiro Usui make?
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
Analysis in progress, available soon
What is the competitive landscape for Calphace?
How's The Utilities Market?
Market outlook for this category
Available very soon
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Calphace
Key Takeaways
Calphace creates static calendar images for Apple Watch faces and does not sync with or display live data from the iPhone calendar application.
Where Is It Heading?
Trend analysis
Available very soon