Viet Lunar|Lịch Âm Việt
By Anh Kiet Vo
Viet Lunar|Lịch Âm Việt is a calendar utility for Vietnamese users that integrates lunar and solar dates with event reminders on iOS and Android.
The App DNA
What makes this app unique?
It removes the friction of manually calculating lunar dates for traditional family events by automating recurring annual reminders.
For Vietnamese users seeking to track traditional lunar dates, family anniversaries, and holidays alongside their standard solar calendar.
What does it look like?
Key features
Converts between Vietnamese lunar and solar dates with a single tap.
Creates annual recurring events based on lunar dates for family traditions.
Synchronizes events across mobile, tablet, and web platforms via cloud account.
How much does it cost?
The freemium model monetizes via subscription tiers while maintaining a free, ad-supported entry point to maximize user acquisition.
Velocity
Maintenance developmentperformanceUX improvementsShow more...
With only one release in the observed window and a cadence of approximately one update every 27 days, the app maintains a maintenance-level velocity. Development is currently focused on technical stability rather than new feature expansion. The latest release specifically addresses widget performance, indicating a reactive approach to maintenance rather than a proactive feature roadmap.
Who built it?
Anh Kiet Vo
3 apps tracked · Lifestyle
User Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate integration with google calendar provides a reliable and efficient way to manage multiple schedule events and visual design and widget layout offer a clean and intuitive experience for daily calendar tracking.
How are ratings & reviews evolving?
What users say, by theme
- Integration with Google Calendar provides a reliable and efficient way to manage multiple schedule events
- Visual design and widget layout offer a clean and intuitive experience for daily calendar tracking
- Widget display issues including date misalignment and failure to update remain a persistent user frustration
33 of 33 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 1 more frustration theme and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Viet Lunar|Lịch Âm Việt
How's the Lifestyle market?
Viet Lunar|Lịch Âm Việt holds a stable position in the Vietnamese Lifestyle category, currently ranked #35 Free. The app's ability to maintain a 4.5+ rating across platforms indicates strong product-market fit despite the recent widget stability issues.
The rivals identified
The Analyst's Read
Key takeaways for Viet Lunar|Lịch Âm Việt
Where is it heading?
The market for traditional calendar utilities is consolidating around tools that offer reliable, low-friction integration with primary mobile calendars. Viet Lunar|Lịch Âm Việt is currently advantaged by its strong synchronization core, but the persistent widget issues leave it exposed to rivals that prioritize platform stability over feature expansion.
- Widget refresh failures in the latest release erode the daily habit loop, which compounds the rating drag already visible on Android.
- The core calendar synchronization remains the most effective tool for users, sustaining the app's reputation despite technical hurdles.
The SWOT
- Cross-platform cloud synchronization anchors user data across devices.
- Minimalist interface broadens addressable market to elderly users.
- Flexible notification settings for pre-event alerts could capture dissatisfied users.
Next best moves
Rebuild widget refresh logic because persistent misalignment is the #1 churn risk → restore daily active habit.
+ 1 more prioritized moveThe counter-intuitive read
The app's widget instability is a hidden retention lever…
Read the full takeBottom line
Fixing the widget refresh logic would stabilize the daily habit loop that currently anchors Viet Lunar|Lịch Âm Việt against its rivals. Addressing this instability is the prerequisite for converting the existing free user base into long-term subscribers.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Viet Lunar|Lịch Âm Việt suitable for elderly users?
Does Viet Lunar|Lịch Âm Việt support multiple Google accounts?
Are there intrusive ads in the free version?
What is the main advantage of the premium version?
Sources
- [1] Play Store reviews
- [2] App Store
- [3] Developer website, source
Report last updated