Yasuko Shikiuchi
For general iPhone users seeking simple, integrated solutions for calendar management, task tracking, and quick photo or QR code processing.
Cal2Todo branch
Snapshot
Who is Yasuko Shikiuchi?
Providing utility and productivity tools for iPhone users to manage daily schedules and capture information. Focused on streamlined, single-purpose mobile experiences.
Target audience
Portfolio
Free 11Last updated
Cal2Todo branch
v5.6.11
4.6y ago
Publisher DNA
What defines Yasuko Shikiuchi?
Publisher DNA
Primary focus
Utility and productivity mobile tools
Scale
indie
Target audience
General iPhone users seeking simple, integrated solutions for calendar management, task tracking, and quick photo or QR code processing.
Signature Patterns
- •Strong reliance on native iOS calendar and system integration
- •Monetization model primarily based on free-to-use utility with occasional paid tiers
- •Focus on single-function tools like countdowns, QR scanning, and task-calendar merging
- •High-frequency update cadence across the entire portfolio
Portfolio momentum
Released 59 updates across the portfolio in the last 6 months, indicating a high-frequency maintenance and iteration cycle for existing tools.
Portfolio
What does Yasuko Shikiuchi ship?
Apps
12 apps analysed
Simple interface design allows for quick editing workflows
- Extensive library of filters and effects provides high creative value for photo editing enthusiasts
- Aggressive paywall implementation during onboarding prevents users from evaluating core functionality before committing to subscriptions
Distributed across 12 markets, strongest in Europe.
Based on 2 of 12 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (3)
- United States2 / 2
- Brazil1 / 2
- Mexico1 / 2
Europe (7)
- France1 / 2
- Germany1 / 2
- Italy1 / 2
- Netherlands1 / 2
- Portugal1 / 2
›+2 more europe markets
- Spain1 / 2
- Sweden1 / 2
Asia-Pacific (2)
- Japan2 / 2
- South Korea1 / 2
Core markets (2/2 apps)
User Sentiment
How do users feel about their apps?
1
Positive apps
0
Neutral / mixed
0
Negative apps
65/100
Avg sentiment score
Rivals
Who does Yasuko Shikiuchi compete with?
The rivals identified
Nemeses(1)
Users report: Picsart competes directly by offering a comprehensive suite of filters and effects that dwarf the target's basic functionality, capturing the same casual photo-editing demographic.
Contenders(4)
Lightroom competes for the same user base by offering professional-grade color grading and filter presets that appeal to users looking for higher-quality photo enhancements.
This app targets the same casual photo-sharing audience but focuses on layout and composition rather than just color-based filters.
This app competes by bridging the gap between digital photo editing and physical output, appealing to users who want to print their filtered images.
Blend Photos competes by offering advanced blending and background removal features that serve as a logical upgrade for users outgrowing basic filters.
Same space(4)
SLMMSK occupies the same niche of stylized, artistic photo manipulation but with a distinct aesthetic focus.
This app shares the same focus on real-time visual effects and social media-driven photo/video manipulation.
While more technical, it competes for the same screen time by offering advanced camera controls for video-focused users.
This app competes directly in the casual, entertainment-focused filter space with a similar emphasis on ease of use.
New entrants(2)
This app enters the space by focusing on dual-lens capture, a trending feature for creators who want more dynamic content.
This newcomer targets the growing demand for video-first content creation, competing for the same social-sharing user base.
The Analyst's Read
The bottom line on Yasuko Shikiuchi
Bottom line
The publisher operates as a high-velocity indie developer focused on filling specific utility gaps on iOS. While the flagship photo app provides significant reach, the long-term viability of the broader productivity portfolio remains dependent on maintaining high-frequency updates to keep pace with iOS system changes.
Frequently asked questions
How many apps does Yasuko Shikiuchi publish?
What kind of apps does Yasuko Shikiuchi make?
What is Yasuko Shikiuchi's top app?
In how many countries are Yasuko Shikiuchi's apps available?
What fed this analysis
- Apps analyzed:
- 12
- With full intel:
- 0
- With overview:
- 12
- Website scraped:
- yes
- Social presence:
- no