RUMAHSAKU
For working professionals and job seekers in Japan preparing for national trade skills, safety, and industry-specific certifications.
SCOA 試験対策
Snapshot
Who is RUMAHSAKU?
Providing specialized exam preparation tools for technical and professional certification candidates. Helping users master specific industry skills through structured mock exams and practice modules.
Target audience
Rivals analysis in progress
Portfolio
Free 8Last updated
SCOA 試験対策
v1.0.5
5mo ago
Publisher DNA
What defines RUMAHSAKU?
Publisher DNA
Primary focus
Professional certification and technical exam preparation apps
Scale
studio
Target audience
Working professionals and job seekers in Japan preparing for national trade skills, safety, and industry-specific certifications.
Signature Patterns
- •Consistent paid-upfront pricing model across all titles.
- •Highly specialized content tailored to specific Japanese national and industry exams.
- •Minimalist UI focused on question banks and mock exam simulations.
- •High volume of niche titles with low individual review counts.
Portfolio momentum
With only 2 releases in the last 6 months and a high volume of abandoned titles, the publisher is currently in a maintenance phase for the majority of its catalog.
Portfolio
What does RUMAHSAKU ship?
Apps
65 apps analysed
Single-market publisher, every app ships only to United States.
Based on 5 of 65 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (1)
- United States5 / 5
Core markets (5/5 apps)
The Analyst's Read
The bottom line on RUMAHSAKU
Bottom line
Rumahsaku Corp is a niche publisher that successfully leverages the long-tail of professional certification needs in Japan. Their ability to maintain a high-rated flagship app suggests a solid core product, though the broader portfolio requires more consistent updates to remain relevant.
Frequently asked questions
How many apps does RUMAHSAKU publish?
What kind of apps does RUMAHSAKU make?
What is RUMAHSAKU's top app?
In how many countries are RUMAHSAKU's apps available?
What fed this analysis
- Apps analyzed:
- 30
- With full intel:
- 0
- With overview:
- 30
- Website scraped:
- yes
- Social presence:
- no