--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Age Calculator - Birthday" developer_entity: "SDG CODE DOO NIS" bundle_id: "com.sdgcode.agecalculator" app_store_id: "1347235221" category: "Utilities" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-07-30" report_date: "2026-08-09" last_verified: "2026-08-09T00:00:00.000Z" report_version: "16.0.2" total_reviews: 2007 overall_rating: 4.6 sentiment: "Thrilled" sentiment_score: 85 confidence: "high" confidence_score: 0.7 top_praise_theme: "The age calculation utility provides a reliable and simple solution for users needing quick results" top_complaint_theme: "Some users report the application feels incomplete or lacks sufficient functionality for their specific needs" review_sample_size: 50 total_review_count: 50 analyzed_review_count: 50 data_age_days: 7 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["utilities", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "general", "users", "seeking"] canonical_url: "https://marlvel.ai/apps/age-calculator-birthday" license: "CC-BY-NC 4.0" content_version: "v2" --- # Age Calculator - Birthday Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Free - **Signal**: Rating 4.56 · Sentiment Thrilled - **Recent focus**: Some users report the application feels incomplete or lacks sufficient functionality for their specific needs (top complaint) · The age calculation utility provides a reliable and simple solution for users needing quick results (top praise) > **TL;DR:** Age Calculator - Birthday is a utilities app by SDG CODE DOO NIS, rated 4.56/5 by 2K users, with Thrilled user sentiment (85/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Age Calculator - Birthday maintains Thrilled user sentiment (4.56/5 from 2K reviews), with users consistently praising the age calculation utility provides a reliable and simple solution for users needing quick results. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.56/5 (2K reviews) | | **User Mood** | Thrilled | | **Category** | Utilities | | **Developer** | SDG CODE DOO NIS | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | High (0.7/1.0) | | **Data Age** | 7d | ## Metadata & Market Performance - **Publisher:** SDG CODE DOO NIS - **Category:** Utilities - **Target Audience:** General users seeking a simple tool for calculating age or tracking personal milestones and anniversaries. - **Platforms:** iOS & Android - **Version Reviewed:** 2.0.1 - **Report Date:** 2026-08-09 - **Signal Count:** 50 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 1347235221 - **Bundle ID:** com.sdgcode.agecalculator - **Google Play ID:** com.sdgcode.agecalculator - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-09 ## Executive Snapshot **What it is:** Age Calculator is a utility app for calculating dates and tracking birthdays on iOS and Android. **Why users hire it:** Users hire this app for quick, low-friction date arithmetic that native calendar apps often bury under complex UI, so the value hinges on speed. ## App DNA (Features & Intent) - **[Standard] Date Difference Calculator:** Calculates exact time duration between two dates, expanding utility for power users and increasing ad-impression inventory. - **[Standard] Next Birthday Countdown:** Displays remaining time until the next birthday, creating a daily engagement loop that increases DAU/MAU. * *User Intent:* Users are motivated by consistent progression and daily incentives. - **[Differentiator] Event Management:** Allows users to store and manage specific dates, increasing switching costs via a personal database of events. ## Market Position {#market-position} The app maintains a 4.6-star rating across 2,007 total ratings, signaling strong satisfaction with its core utility. However, the six-month gap between feature updates suggests a lack of investment that could erode this position against more active rivals. ## Monetization Strategy - **Model:** Free - **Tiers:** Free with ad support - **Analysis:** The app operates on a free, ad-supported model with no IAP or subscription tiers identified. ## 🟢 User Sentiment (High Confidence: 50 of 50 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.56/5 - **Platform Split:** iOS 4.6/5 (14 ratings) | Android 4.6/5 (2K ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **The age calculation utility provides a reliable and simple solution for users needing quick results** - **The interface design is straightforward and allows users to complete tasks without unnecessary technical friction** ### Top Complaints (Impact Areas) - **Some users report the application feels incomplete or lacks sufficient functionality for their specific needs** ## SWOT Analysis {#swot} **Core Strengths:** - Simple interface design minimizes technical friction for non-power users - Local event database increases switching costs for long-term users **Growth Levers:** - Integration of widget support could capture home-screen real estate ## Recent Changes (v2 → v3) {#recent-changes} The intelligence report reflects a strategic pivot toward home-screen widgets as a defensive measure against OS-level automation, replacing the previous focus on cloud-sync. **Overall trend**: Stable **Compared at**: 2026-08-09 ### High-impact changes - **[Shifted] Strategic focus on widget integration** (positioning) ### Medium-impact changes - **[Added] Updated threat and opportunity landscape** (swot) - **[Shifted] Development roadmap priority** (features) ## What's New - **Latest (v2.0.1, 6 months ago):** UI design improvements. ## App Momentum (Maintenance) {#momentum} - Ships only generic design improvements. - Last major update six months ago. > **Cadence:** 2 total versions · 0 majors in last 6 months · 10 days since last update · 181 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Age Calculator - Birthday is a market-leading utilities app that is completely free. With a 4.56/5 rating from 2K reviews, it delivers strong user satisfaction. > **Bottom Line:** Age Calculator provides a reliable, simple utility for date tracking, but the lack of feature updates leaves it exposed to OS-level automation, so the PM should prioritize home-screen widgets to secure daily engagement. **Best for:** General users seeking a simple tool for calculating age or tracking personal milestones and anniversaries. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship home-screen widgets because users value quick access to countdowns → increase daily engagement ### Outlook: Stable The utility market is consolidating around OS-integrated tools, leaving standalone calculators like this one in a defensive position. The app must pivot to high-frequency surface areas like widgets to maintain relevance, or it will continue to lose ground to native system features. - 🔴 The current maintenance-mode release cadence limits the app's ability to compete with more active utilities, risking long-term user churn. - 🟢 High user satisfaction with the simple interface provides a stable base, but the lack of new features prevents expansion into power-user segments. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.56/5 | | Total Reviews | 2K | | Sentiment | Thrilled (85/100) | | Confidence | High | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Age Calculator - Birthday** (this app) | 4.56/5 | Thrilled | SDG CODE DOO NIS | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd | ## Company Profile - **Developer:** SDG CODE DOO NIS - **Website:** [https://www.sdgcode.com](https://www.sdgcode.com) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/age-calculator-birthday/id1347235221?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.sdgcode.agecalculator&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.sdgcode.com) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating - [*근로자 공수달력*](https://marlvel.ai/apps/jaehwan-worktracer) (jaehwan lee) · N/A Rating ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 50 - **Data Sources:** user reviews, developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 7 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/age-calculator-birthday) Data licensed for AI Agent attribution under CC-BY-NC 4.0.