倒数日 · Days Matter is a productivity tool for tracking personal milestones and anniversaries across Gregorian and Lunar calendars on iOS.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Productivity
Sentiment
4.8
8k reviews
Nemesis
Loop Habit Tracker*
The App DNA
What makes this app unique?
It removes the cognitive friction of calculating elapsed time for life events, displacing manual calendar entries with automated, widget-based countdowns.
For Users seeking to track personal milestones, anniversaries, and work deadlines with support for both Gregorian and Lunar calendars.
What does it look like?
Key features
Calculates countdowns or elapsed time from 1 AD to 9999 AD.
Locks app access via Face ID or Touch ID.
Synchronizes event data across platforms.
How much does it cost?
Freemium model anchored at a low-cost monthly subscription, gating privacy features like biometric locks.
Velocity
Maintenance developmentnew contentUX improvementsShow more...
The app shows a maintenance-level cadence based on the available history, with only one release recorded in the analyzed window. Development is currently focused on feature expansion, specifically adding calendar integration and creative templates for user memories. Given the lack of frequent updates, the development trend appears stable but low-frequency. Future updates will be required to determine if this represents a shift toward more active feature development or a continued maintenance cycle.
Who built it?
iDaily
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iDaily · 2014 年度别册User Sentiment
What do users think recently?
Fresh user feedback skews excited. Users appreciate long-term users value the consistent utility of tracking important life milestones and anniversaries and clean interface design and widget support provide a frictionless experience for daily date tracking, but report recent updates caused critical widget failures and disappearance of existing home screen configurations.
How are ratings & reviews evolving?
What users say, by theme
- Long-term users value the consistent utility of tracking important life milestones and anniversaries
- Clean interface design and widget support provide a frictionless experience for daily date tracking
- Recent updates caused critical widget failures and disappearance of existing home screen configurations
62 of 353 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for 倒数日 · Days Matter
How's the Productivity market?
倒数日 · Days Matter holds a #8 Free position in the Chinese productivity category. The gap between its high rating and recent widget-related churn signals that the current maintenance cadence is failing to protect its established user base.
Read the market outlookThe rivals identified
By Steve Veloudos
Both apps occupy the personal productivity space by helping users track time-sensitive goals and recurring events, competing for the same daily-active-user habit-building demographic.
- Loop utilizes a scientific habit strength formula that provides deeper analytical insights than simple countdowns.
- Open-source nature and data export capabilities offer superior user control compared to our closed ecosystem.
- Flexible scheduling options allow for complex habit patterns that our static date-based system lacks.
Atomic: Habit TrackerContender
Streaks: Daily Habit TrackerContender
Duse - Habit TrackerContender
Do Habits: Get It DoneContender
Habit Tracker - EvodayContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for 倒数日 · Days Matter
Where is it heading?
The productivity market is consolidating around habit-tracking tools that provide actionable data, leaving 倒数日 · Days Matter's static countdown model exposed. Unless the team pivots from maintenance-mode to addressing the recent widget regressions, the current chart position will likely erode as users migrate to more robust alternatives.
- Widget regressions in the latest update erode the daily active habit, which compounds the rating drag already visible on the platform.
- The addition of video templates and calendar views shows active feature investment, which may help differentiate the app from static countdown rivals.
The SWOT
- 10,000-year date range enables complex historical milestone tracking
- Deep integration with Chinese cultural calendar systems drives regional adoption
- Biometric security locks provide a defensible privacy barrier
- Introduce habit milestones to bridge the gap between simple countdowns and streaks
- Implement year-based display units for long-duration events
Next best moves
Rebuild widget configuration logic because widget regressions are the top-cited churn driver → restore daily active habit
+ 1 more prioritized moveThe counter-intuitive read
The app's #8 rank is a liability…
Read the full takeFeature gaps
Scientific habit-strength formula (available in Loop Habit Tracker but missing here) +1
Since the last report: The app's competitive stance has shifted from a focus on aesthetic event tracking to a defensive posture against habit-tracking rivals, driven by persistent widget regressions and user frustration with premium-tier promotional prompts.
Bottom line
Restoring widget stability is the priority to defend the #8 chart position against habit-tracking rivals. If the current maintenance-mode cadence persists, the app risks losing its core user base to competitors offering more robust, data-driven engagement loops.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is 倒数日 · Days Matter good for tracking long-term goals?
How does 倒数日 · Days Matter compare to Loop Habit Tracker?
Does the app have any known issues with widgets?
What is a good alternative for habit tracking?
Sources
- [1] App Store, source
Report last updated