Disaster Place Names of Japan is a geographic reference tool for iOS that overlays historical aerial photography with disaster-risk place names.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual historical map research for users evaluating residential safety or land-use history in Japan.
For Individuals researching residential safety, disaster risk, or historical land use in Japan.
What does it look like?
Key features
View aerial imagery of Japan spanning from 1928 to the present day.
Identify locations with place names historically associated with disaster risks or specific land conditions.
Overlay geographic data to evaluate terrain and soil characteristics for specific locations.
How much does it cost?
The $3.99 one-time purchase reflects a utility-focused strategy for specialized geographic reference data.
Velocity
Maintenance developmentplatform expansionShow more...
The app is currently in a maintenance phase, having shipped only one release in the last 193 days. Development activity is minimal, focusing exclusively on platform compatibility rather than new features or content. Given the lack of updates over the past six months, the development momentum is stagnant.
Who built it?
Takafumi AMANO
7 apps tracked · Reference
Japanese Islands
Japanese Voice Over Clock
Walk Route Generator
Voice Over Clock
World Capital Location Quiz
和時計・日本の時刻制度User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Disaster Place Names of Japan
How's the Reference market?
Disaster Place Names of Japan occupies a narrow reference niche with a $3.99 price point. The absence of recent feature updates since the last release indicates a maintenance-mode posture rather than active market expansion.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Disaster Place Names of Japan
Where is it heading?
The market for specialized geographic reference tools is consolidating around free, high-fidelity public data. Disaster Place Names of Japan remains in a maintenance posture, which will likely lead to a gradual decline in relevance as free alternatives improve their historical data accessibility.
- The latest release focused solely on iOS compatibility, confirming the app is in a maintenance-only cadence.
- The lack of feature expansion over the last six months leaves the app exposed to free, more comprehensive mapping alternatives.
The SWOT
- Historical aerial imagery (1928–present) provides a unique longitudinal view of land development
- Localized marketing toward real estate professionals could expand the user base
Next best moves
Audit free government GIS data sets because they overlap with the core value proposition → protect the paid-conversion funnel
The counter-intuitive read
The app's greatest risk is not a competitor…
Read the full takeBottom line
Disaster Place Names of Japan serves a specific research niche, but the lack of feature expansion since the last update limits its utility against free, evolving GIS alternatives.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Disaster Place Names of Japan suitable for professional property research?
Does this app require a subscription?
What are the alternatives to this app for checking disaster risks in Japan?
Sources
- [1] App Store, source
Report last updated