Birthday Calendar + is a lifestyle utility for tracking personal events and sending greetings on iOS and Android.
Product velocity
Dormant
Daily rank 🇺🇸
—
Lifestyle
Sentiment
4.9
86k reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Users hire the app to automate social reminders and avoid the embarrassment of missing birthdays, relying on its ability to sync across disparate contact sources.
For Individuals seeking to organize personal contacts, track recurring events, and manage social reminders.
What does it look like?
Key features
Syncs birthdays from device contacts, iCalendar, or custom manual entries
Allows users to send custom messages with attached photos for specific occasions
Displays personality traits based on Zodiac signs and lists historical events or celebrities sharing the same birth date
How much does it cost?
Freemium model uses ad-supported free access to drive volume, with a single upgrade gate to remove ads and unlock full feature parity.
Velocity
Dormant developmentopaqueShow more...
The app shows no development activity for over 8 years, with the last release occurring in October 2017. There is no evidence of ongoing maintenance, feature updates, or live operations. The development momentum is non-existent, categorizing the app as a zombie project.
Who built it?
User Sentiment
What do users think recently?
Review voice lately leans mixed. Users appreciate reliable birthday and anniversary reminders prevent social embarrassment for users with poor memory, but report application crashes immediately upon launch following the latest update on ios devices.
How are ratings & reviews evolving?
What users say, by theme
- Reliable birthday and anniversary reminders prevent social embarrassment for users with poor memory
- Application crashes immediately upon launch following the latest update on iOS devices
120 of 344 recent reviews analyzed · high confidence · Mixed overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Birthday Calendar +
How's the Lifestyle market?
The app maintains a 4.32 average rating across platforms, but the lack of updates since 2017 on iOS compared to active Android development signals a fragmented product strategy.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Birthday Calendar +
Where is it heading?
Users report: The category is consolidating around modern, stable tools that offer better OS integration and data portability. Birthday Calendar + is currently exposed due to its legacy iOS codebase, so the PM must shift focus from feature expansion to technical debt resolution to avoid losing the remaining user base to more reliable alternatives.
- iOS launch crashes prevent access to stored data, which drives negative sentiment and high churn among long-term users.
- Android updates continue to ship, but inconsistent notification delivery limits the effectiveness of the core reminder utility.
The SWOT
- Reminder logic prevents social friction
- Multi-source import reduces setup friction
- Implement automated cloud data backup
- Expand regional holiday integration
Next best moves
Rebuild iOS launch sequence because launch crashes are the top complaint → restore access for long-term users
+ 1 more prioritized moveThe counter-intuitive read
The app's biggest risk is not a lack of features…
Read the full takeFeature gaps
Native authentication sync (available in Minimalist Birthday Reminder) +1
Since the last report: The app's competitive standing has declined due to a significant drop in user ratings and persistent, unresolved technical failures on iOS.
Bottom line
The app provides essential utility through reliable reminders, but the lack of maintenance on iOS creates a critical churn risk, so the PM must prioritize stability patches to prevent total loss of the long-term user base.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
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