--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Lịch Vạn Niên 2026, Lịch Âm" developer_entity: "Lich Viet JSC" bundle_id: "com.vietlotus.lichvannien" app_store_id: "789302410" category: "Productivity" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-03-16" report_date: "2026-10-09" last_verified: "2026-10-09T00:00:00.000Z" report_version: "3.4.3" total_reviews: 14015 overall_rating: 4.6 sentiment: "Mixed" sentiment_score: 55 confidence: "high" confidence_score: 0.7 top_praise_theme: "Users value the cultural depth and traditional wisdom provided by the daily lunar calendar content" top_complaint_theme: "Aggressive and intrusive advertising disrupts the user experience immediately upon opening the application" review_sample_size: 50 total_review_count: 50 analyzed_review_count: 50 data_age_days: 36 momentum_velocity: "zombie" intelligence_version: 2 tags: ["productivity", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "vietnamese", "users", "seeking"] canonical_url: "https://marlvel.ai/apps/lich-van-nien-2026-lich-am" license: "CC-BY-NC 4.0" content_version: "v2" --- # Lịch Vạn Niên 2026, Lịch Âm Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Freemium - **Signal**: Rating 4.55 · Sentiment Mixed - **Recent focus**: Aggressive and intrusive advertising disrupts the user experience immediately upon opening the application (top complaint) · Users value the cultural depth and traditional wisdom provided by the daily lunar calendar content (top praise) > **TL;DR:** Lịch Vạn Niên 2026, Lịch Âm is a productivity app by Lich Viet JSC, rated 4.55/5 by 14K users, with Mixed user sentiment (55/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Lịch Vạn Niên 2026, Lịch Âm shows Mixed sentiment (4.55/5 from 14K reviews) - users praise users value the cultural depth and traditional wisdom provided by the daily lunar calendar content but report issues with aggressive and intrusive advertising disrupts the user experience immediately upon opening the application. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.55/5 (14K reviews) | | **User Mood** | Mixed | | **Category** | Productivity | | **Developer** | Lich Viet JSC | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | High (0.7/1.0) | | **Data Age** | 36d | ## Metadata & Market Performance - **Publisher:** Lich Viet JSC - **Category:** Productivity - **Target Audience:** Vietnamese users seeking traditional lunar calendar information, daily horoscopes, and cultural ritual guidance for daily planning. - **Platforms:** iOS - **Version Reviewed:** 3.4.3 - **Report Date:** 2026-10-09 - **Signal Count:** 50 reviews analyzed - **Confidence:** High (0.7/1.0) - **App Store ID (iOS):** 789302410 - **Bundle ID:** com.vietlotus.lichvannien - **Data Window:** Analysis based on signals collected up to 2026-10-09 ## Executive Snapshot **What it is:** Lịch Vạn Niên 2026, Lịch Âm is a productivity app for Vietnamese users that provides lunar calendar conversion, horoscopes, and traditional cultural ritual guides on iOS. **Why users hire it:** The app removes the cognitive friction of manual lunar-Gregorian date conversion and provides a centralized hub for traditional Vietnamese cultural practices. ## App DNA (Features & Intent) - **[Standard] Lunar and Solar Calendar Conversion:** Calculates and converts dates between Gregorian and Lunar systems, including distance calculations and date arithmetic. - **[Differentiator] Personalized Horoscope and Numerology:** Provides daily horoscopes for 12 zodiac signs and numerology lookups based on user input. * *User Intent:* Users are motivated by consistent progression and daily incentives. - **[Differentiator] Feng Shui Compass and Ritual Guides:** Includes a digital compass for feng shui and a library of traditional prayer texts (văn khấn). * *User Intent:* Users need clear guidance to understand and adopt the product quickly. ## Market Position {#market-position} Lịch Vạn Niên 2026, Lịch Âm maintains a 4.55-star rating across 14,015 ratings, indicating strong core utility despite recent stability complaints. The lack of updates for over 200 days signals a potential shift toward maintenance mode, which risks ceding market share to more active competitors. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free version with ad support, Lich Viet Pro subscription for advanced features - **Analysis:** Freemium model utilizes ad-supported free access to drive high-volume user acquisition, with a Pro tier gate for advanced utility. ## 🟡 User Sentiment (High Confidence: 50 of 50 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.55/5 - **Platform Split:** iOS 4.6/5 (14K ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Users value the cultural depth and traditional wisdom provided by the daily lunar calendar content** - **The interface design provides a clear and intuitive layout for navigating dates and lunar conversions** - **Customizable lunar-based reminders help users track important anniversaries and traditional memorial days effectively** ### Top Complaints (Impact Areas) - **Aggressive and intrusive advertising disrupts the user experience immediately upon opening the application** ## SWOT Analysis {#swot} **Core Strengths:** - Cultural depth and traditional wisdom content sustain organic install velocity - Intuitive interface layout for lunar conversions reduces cognitive load for daily lookups **Growth Levers:** - Implementing a non-intrusive subscription-only mode could capture users frustrated by current ad density - Cloud-sync feature would address the top-requested utility gap ## What's New - **Latest (v3.4.3, 6 months ago):** General bug fixes and performance optimizations. ## App Momentum (Zombie) {#momentum} - Quiet 6 months, bug fixes only - Last major release March 2026 > **Cadence:** 1 total versions · 0 majors in last 6 months · 207 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Lịch Vạn Niên 2026, Lịch Âm is a productivity app that is free with in-app purchases. With a 4.55/5 rating from 14K reviews, it shows mixed user reception. > **Bottom Line:** Lịch Vạn Niên 2026, Lịch Âm rests on a strong cultural utility base, but the current technical instability and ad-intrusiveness threaten to erode its market position. Addressing these performance gaps would stabilize the user base and protect the core retention loop. **Best for:** Vietnamese users seeking traditional lunar calendar information, daily horoscopes, and cultural ritual guidance for daily planning. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Audit ad-placement logic because users report intrusive pop-ups disrupt the launch experience → reduce churn ### Outlook: Declining The outlook for Lịch Vạn Niên 2026, Lịch Âm is declining due to a lack of feature updates and persistent technical issues. Without a stability-focused release, the app will continue to lose ground to competitors that offer cleaner, more reliable experiences. - 🔴 Technical instability post-update prevents reliable access to calendar data, which compounds the rating drag already visible in recent reviews. - 🔴 Aggressive and intrusive advertising disrupts the user experience, leading to high-frequency complaints that threaten the daily active habit. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.55/5 | | Total Reviews | 14K | | Sentiment | Mixed (55/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Lịch Vạn Niên 2026, Lịch Âm** (this app) | 4.55/5 | Mixed | Lich Viet JSC | | [HitWave](https://marlvel.ai/apps/ciendor-applications-hitwave) | 2.5/5 | Mixed | Ciendor Holdings Corp. LTD | | [VPN 360: Fast & Secure Proxy](https://marlvel.ai/apps/co-infinitysoft-vpn360) | 4.5/5 | Mixed | Pango GmbH | | [VPN - Super Unlimited Proxy](https://marlvel.ai/apps/vpn-super-unlimited-proxy) | 4.7/5 | Thrilled | Mobile Jump Pte Ltd | | [ChatGPT](https://marlvel.ai/apps/chatgpt) | 4.8/5 | n/a | OpenAI OpCo, LLC | | [Clean Swell](https://marlvel.ai/apps/clean-swell) | 3.9/5 | n/a | Ocean Conservancy | ## Company Profile - **Developer:** Lich Viet JSC - **Website:** [https://lichviet.app](https://lichviet.app) - **Social:** [Facebook](https://www.facebook.com/lichviet.official) · [YouTube](https://www.youtube.com/@lichviet) · [TikTok](https://www.tiktok.com/@lichviet.official) ## Data Sources & Links - **App Store ID:** 789302410 - **Dev Site:** [Official Website](https://lichviet.app) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*HitWave*](https://marlvel.ai/apps/ciendor-applications-hitwave) (Ciendor Holdings Corp. LTD) · 2.5/5 Rating - [*VPN 360: Fast & Secure Proxy*](https://marlvel.ai/apps/co-infinitysoft-vpn360) (Pango GmbH) · 4.5/5 Rating - [*VPN - Super Unlimited Proxy*](https://marlvel.ai/apps/vpn-super-unlimited-proxy) (Mobile Jump Pte Ltd) · 4.7/5 Rating | Excellent Sentiment - [*ChatGPT*](https://marlvel.ai/apps/chatgpt) (OpenAI OpCo, LLC) · 4.8/5 Rating - [*Clean Swell*](https://marlvel.ai/apps/clean-swell) (Ocean Conservancy) · 3.9/5 Rating - [*Data Tree Manager*](https://marlvel.ai/apps/data-tree-manager) (Vsevolod Migdisov) · N/A Rating - [*DoughLab - Baking Recipe Lab*](https://marlvel.ai/apps/doughlab-baking-recipe-lab) (Jeong-soo Park) · N/A Rating - [*Infomaniak Euria*](https://marlvel.ai/apps/infomaniak-euria) (Infomaniak Network SA) · 4.8/5 Rating - [*Inuvika OVD Mobile Client*](https://marlvel.ai/apps/inuvika-ovd-mobile-client) (Inuvika) · 5.0/5 Rating | Excellent Sentiment - [*Lumo AI by Proton*](https://marlvel.ai/apps/lumo-ai-by-proton) (Proton AG) · 3.9/5 Rating ## Frequently Asked Questions {#faq} ### Is Lịch Vạn Niên 2026, Lịch Âm free to use? Yes, the app is free to download and use, supported by advertisements. A Pro subscription is available for users who wish to remove ads and access advanced features. ### Does Lịch Vạn Niên 2026, Lịch Âm work offline? The app provides core calendar lookups, but some features may require an internet connection for data synchronization or to load specific content. ### Can I sync my data across multiple devices? Currently, the app does not support cloud synchronization, meaning personal data and reminders are stored locally on your device. ## 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:** 36 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/lich-van-nien-2026-lich-am) Data licensed for AI Agent attribution under CC-BY-NC 4.0.