Calendar Birthday
Calendar Birthday is a utility app for iOS that allows users to store contact birthdays and receive push notifications for upcoming events.
The App DNA
What makes this app unique?
It removes the cognitive burden of remembering personal dates by centralizing event data in a dedicated, distraction-free interface.
For Individuals seeking a simple, dedicated tool to manage personal social calendars and avoid missing important dates.
What does it look like?
Key features
Centralized database for storing contact birthdays and associated dates.
Free tier restricts users to a maximum of 10 stored contacts, gating unlimited access behind a subscription.
Push notifications for upcoming birthdays to allow for advance preparation.
How much does it cost?
The app uses a hard contact-count cap to force conversion to a monthly subscription for power users.
Velocity
Dormant developmentUX improvementsShow more...
Calendar Birthday has entered a state of inactivity, with no new feature builds or updates released in the last 256 days. The development momentum is non-existent, as the last release was a minor update focused solely on UI fixes. Given the lack of activity over the past eight months, the app is currently classified as a zombie project.
Who built it?
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 Calendar Birthday
How's the Utilities market?
Calendar Birthday operates as a manual-entry utility within the Utilities category. The reliance on a 10-contact free limit positions it as a niche tool, though it faces significant competition from native OS calendar apps that offer similar functionality without manual-entry friction.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Calendar Birthday
Where is it heading?
The market for manual-entry birthday trackers is shrinking as native calendar apps automate event ingestion. Calendar Birthday's lack of development velocity suggests it will continue to lose relevance as OS-level features improve, making it difficult to justify a subscription for a feature that is now a commodity.
- The 8-month development silence indicates a maintenance-only posture, which leaves the app vulnerable to OS-level updates that may break notification logic.
- Native calendar integration in iOS and Android removes the need for manual-entry tools, accelerating user churn toward free, built-in alternatives.
The SWOT
- Dedicated, distraction-free interface for birthday management
- Integration with system calendars to remove manual-entry friction
Next best moves
Integrate system calendar sync because manual entry is the primary friction point → increase retention
The counter-intuitive read
The 10-contact limit is not a conversion lever but a churn accelerator…
Read the full takeBottom line
Calendar Birthday relies on a manual-entry model that is increasingly redundant against native OS features. The lack of development velocity suggests the product is in a sunset phase, and the current conversion strategy is unlikely to scale.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Calendar Birthday free to use?
How does Calendar Birthday compare to the built-in calendar app?
Does Calendar Birthday sync with my existing contacts?
Sources
- [1] App Store
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