Report updated Jun 26, 2026

Birthday Calendar + is an established lifestyle app that is free with in-app purchases. With a 4.9/5 rating from 86.1K reviews, it shows polarized user reception. Users particularly appreciate reliable birthday and anniversary reminders prevent social embarrassment for users with poor memory, though application crashes immediately upon launch following the latest update on ios devices remains a common concern.

What is Birthday Calendar +?

Birthday Calendar + is a lifestyle utility for tracking personal events and sending greetings on iOS and Android.

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.

Current Momentum

v5.0 · 5mo ago

Zombie
  • Ships stability patches for Android.
  • Last major iOS update in 2017.

Active Nemesis

Fragmented niche

No dominant direct rival identified yet — see Other Rivals below.

Other Rivals

Minimalist Birthday Reminder
HBD 햅벋데 - 생일 캘린더 어플 공휴일 음력 달력
Vietnam Calendar
Germany Calendar

7-Day Rank Pulse 🇺🇸

Lifestyle

No ranking data

ToolsGrossing

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

Loading...

What Are The Key Features?

Event ImportStandard

Syncs birthdays from device contacts, iCalendar, or custom manual entries

Personalized GreetingsDifferentiator

Allows users to send custom messages with attached photos for specific occasions

Zodiac and Historical DataDifferentiator

Displays personality traits based on Zodiac signs and lists historical events or celebrities sharing the same birth date

How much does it cost?

Freemium
  • Free tier supported by advertisements
  • Upgrade tier with all features enabled and advertisements removed

Freemium model uses ad-supported free access to drive volume, with a single upgrade gate to remove ads and unlock full feature parity.

Who Built It?

Lifestyle

Enrichment in progress

Publisher profile available very soon

What other apps does MobTouch make?

What do users think recently?

High confidence · Latest 120 of 344 total reviews analyzed

How did the latest release land?

Overall
4.9/ 5
(86.1K)
Current version
3.8/ 5
-1.1 vs overall
(1.9K)
Main signal post-update: application crashes immediately upon launch following the latest update on iOS devices.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. 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.

What Users Love

Reliable birthday and anniversary reminders prevent social embarrassment for users with poor memory

What Frustrates Users

Application crashes immediately upon launch following the latest update on iOS devices

What Users Want

Data extraction or export functionality requested to recover information from non-functional app versions

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for Birthday Calendar +?

Where is it available?

Localized markets (1)

United States

How's The Lifestyle Market?

Market outlook for this category

Available very soon

The rivals identified

Same space(4)

This app competes by addressing the specific needs of the Korean market, including lunar calendar support and social event coordination.

Differentiators

  • Integrates lunar calendar support, which is essential for accurate birthday tracking in many East Asian cultures.
  • Includes a unique automated chatbot feature to assist users with event management and social club invitations.
Germany Calendar icon
Germany Calendarmoat: lowactive

dEventz Studio

0

This app serves as a regional competitor that bundles personal event tracking with localized holiday data, appealing to users who need a dual-purpose calendar.

Differentiators

  • Features a robust multilingual UI that caters specifically to German-speaking users, enhancing local accessibility and adoption.
  • Supports home screen widgets, allowing users to view upcoming events without needing to open the application.
Vietnam Calendar icon
Vietnam Calendarmoat: lowactive

dEventz Studio

0

This app targets the same lifestyle utility market by integrating regional cultural events and holidays into a personal event management framework.

Differentiators

  • Provides deep integration with local public holidays, a critical feature for users in specific geographic markets.
  • Maintains a more frequent release cadence, ensuring better compatibility with recent OS updates than the target.
Minimalist Birthday Reminder icon
Minimalist Birthday Remindermoat: mediumslowing

SHPAVDA, TOO

4.7(674)

This app competes directly by offering a streamlined, modern alternative for users seeking a focused birthday tracking experience without the bloat of general calendar apps.

Differentiators

  • Offers specialized age and zodiac tracking features that provide deeper personalization than standard birthday reminders.
  • Includes native authentication sync capabilities, ensuring user data remains consistent across multiple devices and platforms.

Compare Birthday Calendar + against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for Birthday Calendar +

Strengths to defend, gaps to attack

Core Strengths

  • Reminder logic prevents social friction
  • Multi-source import reduces setup friction

Critical Frictions

  • Critical launch failures on iOS
  • Inconsistent notification delivery on Android
  • Lack of data recovery support

Growth Levers

  • Implement automated cloud data backup
  • Expand regional holiday integration

Market Threats

  • Minimalist competitors with modern UI
  • Regional calendar apps with better OS compatibility

What are the next best moves?

highPivot

Rebuild iOS launch sequence because launch crashes are the top complaint → restore access for long-term users

High-frequency reports of app failing to open on iOS post-update

Trade-off: Pause new Zodiac content features — stability is the current retention blocker.

mediumMaintain

Audit Android notification service because inconsistent alerts are a top complaint → improve daily active habit

Users report reminders fail to trigger even with settings enabled

Trade-off: Delay the home screen widget refresh — notification reliability is the core value proposition.

A counter-intuitive read

The app's biggest risk is not a lack of features, but its legacy status: maintenance-mode at the top of the user's memory is more vulnerable to a single modern, stable rival than a new app climbing the chart.

Feature Gaps vs Competitors

  • Native authentication sync (available in Minimalist Birthday Reminder)
  • Deep integration with local public holidays (available in Vietnam Calendar)

Key Takeaways

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.

Where Is It Heading?

Declining

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.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Birthday Calendar +, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

The app's competitive standing has declined due to a significant drop in user ratings and persistent, unresolved technical failures on iOS.

declined

Rating Drop

shifted

PM Action Item Pivot

added

Data Recovery Weakness

Cite this report

Marlvel.ai. “Birthday Calendar + Intelligence Report.” Updated Jun 26, 2026. https://marlvel.ai/apps/birthday-calendar

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0