Calalarm Calendar is a productivity tool for iOS that provides persistent, customizable nagging notifications for calendar events.
The App DNA
What makes this app unique?
It removes the friction of missed appointments for users who find standard, single-trigger system alerts insufficient for managing complex schedules.
For Professionals and power users, particularly those with ADHD, who require persistent, customizable calendar reminders and cross-platform event aggregation.
What does it look like?
Key features
Customizable alerts that repeat until acknowledged by the user, forcing interaction to clear the reminder.
Aggregates events from iCloud, Exchange, Google, Outlook, and Yahoo into a single view.
Logs hours spent on specific calendar entries for professional time management.
How much does it cost?
The one-time purchase model targets users who prefer avoiding recurring subscriptions, though it creates friction during major version updates.
Velocity
Maintenance developmentplatform expansionShow more...
Calalarm Calendar is currently in a maintenance phase, with the latest release occurring 139 days ago. Development activity is limited to minor platform compatibility updates, specifically targeting iOS 26. There is no evidence of new feature development or active live operations. The current cadence suggests a focus on basic stability rather than active product evolution.
Who built it?
Devart B.V.
9 apps tracked · Productivity
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Cook kitchen timersUser Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate the persistent nagging alarm feature prevents users from missing important meetings or daily tasks and customizable alert sounds and snooze intervals provide a tailored experience superior to native calendar apps.
How are ratings & reviews evolving?
What users say, by theme
- The persistent nagging alarm feature prevents users from missing important meetings or daily tasks
- Customizable alert sounds and snooze intervals provide a tailored experience superior to native calendar apps
- Responsive support staff provide helpful and patient guidance for users navigating app configuration issues
- Recurring events fail to update or delete correctly, forcing users to perform multiple attempts
49 of 49 recent reviews analyzed · high confidence · Mixed 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 Calalarm Calendar
How's the Productivity market?
Calalarm Calendar occupies a niche in the Productivity category, relying on a 4.47-star rating across 308 total ratings to maintain its position. The lack of recent feature updates relative to the 139-day release gap signals a maintenance-mode posture that risks losing ground to more frequently updated competitors.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Calalarm Calendar
Where is it heading?
The productivity calendar market is consolidating around subscription-based tools with frequent feature updates, leaving Calalarm Calendar's static, one-time purchase model increasingly isolated. Without addressing the recurring-event bugs, the app will likely see a gradual decline in its rating as users migrate to more reliable, actively maintained alternatives.
- Recurring event deletion bugs (top complaint) erode user trust, which directly increases churn risk among power users.
- The 139-day release gap indicates a maintenance-only cadence, suggesting no new feature expansion is planned for the near term.
The SWOT
- Nagging notification mechanism forces interaction, preventing missed tasks
- Custom alert sounds provide a tailored experience superior to native calendar apps
- Implement a subscription-based model for cloud-sync features to stabilize revenue
Next best moves
Rebuild recurring event logic because deletion bugs are the top complaint → increase retention
+ 1 more prioritized moveThe counter-intuitive read
The app's maintenance-mode cadence is a feature, not a bug…
Read the full takeSince the last report: The app's competitive posture has shifted from a stable niche utility to an increasingly isolated product as the market consolidates around subscription-based alternatives. No functional changes were implemented, and the app remains in a maintenance-only state.
Bottom line
Calalarm Calendar maintains a loyal base through its unique nagging alarm, but persistent recurring-event bugs threaten long-term retention. Prioritizing stability over new features will protect the core user base from churn.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Calalarm Calendar good for managing ADHD?
Does Calalarm Calendar require a subscription?
How does Calalarm Calendar compare to the native iOS calendar?
What are the best alternatives to Calalarm Calendar?
Sources
- [1] App Store, source
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