---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Wallpaper Calendar!"
developer_entity: "Kyung Hyun Park"
bundle_id: "com.withtheapps.WallpaperCalendar"
app_store_id: "1437509179"
category: "Utilities"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2018-09-28"
report_date: "2026-11-03"
last_verified: "2026-11-03T00:00:00.000Z"
report_version: "1.0"
total_reviews: 52
overall_rating: 4.2
sentiment: "Mixed"
sentiment_score: 55
confidence: "low"
confidence_score: 0.3
top_praise_theme: "Users appreciate the convenience of overlaying calendar views directly onto their personal device background images"
top_complaint_theme: "Users report the developer is unreachable and has failed to address reported layout display regressions"
review_sample_size: 7
total_review_count: 7
analyzed_review_count: 7
data_age_days: 12
momentum_velocity: "zombie"
intelligence_version: 2
tags: ["utilities", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "users", "seeking", "customize"]
canonical_url: "https://marlvel.ai/apps/wallpaper-calendar"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Wallpaper Calendar! Intelligence Report

## TL;DR {#tldr}

- **Category**: Utilities · Free
- **Signal**: Rating 4.15 · Sentiment Mixed
- **Recent focus**: Users report the developer is unreachable and has failed to address reported layout display regressions (top complaint) · Users appreciate the convenience of overlaying calendar views directly onto their personal device background images (top praise)

> **TL;DR:** Wallpaper Calendar! is a utilities app by Kyung Hyun Park, rated 4.15/5 by 52 users, with Mixed user sentiment (55/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Wallpaper Calendar! shows Mixed sentiment (4.15/5 from 52 reviews) - users praise users appreciate the convenience of overlaying calendar views directly onto their personal device background images but report issues with users report the developer is unreachable and has failed to address reported layout display regressions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.15/5 (52 reviews) |
| **User Mood** | Mixed |
| **Category** | Utilities |
| **Developer** | Kyung Hyun Park |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | Low (0.3/1.0) |
| **Data Age** | 12d |

## Metadata & Market Performance
- **Publisher:** Kyung Hyun Park
- **Category:** Utilities
- **Target Audience:** Users seeking to customize their mobile home screen with functional calendar widgets.
- **Platforms:** iOS
- **Version Reviewed:** 1.0
- **Report Date:** 2026-11-03
- **Signal Count:** 7 reviews analyzed
- **Confidence:** Low (0.3/1.0)
- **App Store ID (iOS):** 1437509179
- **Bundle ID:** com.withtheapps.WallpaperCalendar
- **Data Window:** Analysis based on signals collected up to 2026-11-03

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Wallpaper Calendar! is a utility app for iOS that overlays a monthly calendar view onto device wallpapers.
**Why users hire it:** It removes the friction of launching a separate calendar app to check dates by placing the schedule on the device home screen.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Calendar Overlay:** Places a calendar view directly onto the device wallpaper, creating a daily retention loop through passive visibility.
  * *User Intent:* Users are motivated by consistent progression and daily incentives.
- **[Differentiator] Emoji Integration:** Allows users to add emoji stickers to the calendar wallpaper, increasing time spent in-app during setup.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Wallpaper Calendar! holds a 4.15-star rating across 52 total ratings, but its lack of updates since 2018 signals a sunset posture.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free
- **Analysis:** The app is free but relies on ad-supported monetization that users report as aggressive.

<!-- section:sentiment -->
## 🟡 User Sentiment (Low Confidence: 7 of 7 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.15/5
- **Platform Split:** iOS 4.2/5 (52 ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Users appreciate the convenience of overlaying calendar views directly onto their personal device background images**
- **Simple and intuitive interface allows for quick calendar placement on the device home screen**

### Top Complaints (Impact Areas)

- **Users report the developer is unreachable and has failed to address reported layout display regressions**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Passive visibility creates a daily retention loop

**Growth Levers:**
- Integration with existing device event markers


<!-- /section:swot -->
<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- Dormant since September 2018.
- No feature updates in 97 months.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 2958 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Wallpaper Calendar! is an utilities app that is completely free.
With a 4.15/5 rating from 52 reviews, it shows mixed user reception.

<!-- speakable-start -->
> **Bottom Line:** Wallpaper Calendar! is a legacy utility that no longer meets modern user expectations for event synchronization or visual stability, and sunsetting the app would align with its current dormant state.
<!-- speakable-end -->

**Best for:** Users seeking to customize their mobile home screen with functional calendar widgets.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [SUNSET] Sunset the product because the codebase has been dormant for 97 months → stop support costs
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The market for home-screen calendar utilities has shifted toward native, interactive widgets that offer deeper system integration. Wallpaper Calendar! remains static, and its inability to sync with device events will continue to drive user churn toward more functional alternatives.

- 🔴 The 97-month update gap indicates the app is in a terminal state, leaving users with unaddressed scaling bugs.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.15/5 |
| Total Reviews | 52 |
| Sentiment | Mixed (55/100) |
| Confidence | Low |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Wallpaper Calendar!** (this app) | 4.15/5 | Mixed | Kyung Hyun Park |
| [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.9/5 | N/A | Cat Connect |
| [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim |
| [App For Siri Commands Tips](https://marlvel.ai/apps/app-for-siri-commands-tips) | N/A/5 | N/A | Anh La Phan Son |
| [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies |
| [Bin Days - Bin Reminder](https://marlvel.ai/apps/bin-days-bin-reminder) | N/A/5 | N/A | Vicki Partridge |

## Company Profile
- **Developer:** Kyung Hyun Park

## Data Sources & Links
- **App Store ID:** 1437509179
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.9/5 Rating
- [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating
- [*App For Siri Commands Tips*](https://marlvel.ai/apps/app-for-siri-commands-tips) (Anh La Phan Son) · N/A Rating
- [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating
- [*Bin Days - Bin Reminder*](https://marlvel.ai/apps/bin-days-bin-reminder) (Vicki Partridge) · N/A Rating
- [*Controller Tester FGC*](https://marlvel.ai/apps/controller-tester-fgc) (Aaron Lowe) · 5.0/5 Rating
- [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.5/5 Rating
- [*Gear Ratio Calculator & RPM*](https://marlvel.ai/apps/cog-gear-ratio-calculator) (Linh Phan Nhat Khanh) · N/A Rating
- [*MDflow Web Clipper*](https://marlvel.ai/apps/mdflow-web-clipper) (DataOps, s.r.o.) · N/A Rating
- [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating

## Frequently Asked Questions {#faq}

### Is Wallpaper Calendar! still being updated?

No, the app has not received an update since September 2018.

### Does Wallpaper Calendar! sync with my device calendar?

No, the app currently displays a static calendar overlay and does not sync with your device's event markers.

### Are there alternatives to Wallpaper Calendar!?

Users seeking calendar functionality on their home screen should consider native OS widgets, which offer real-time event synchronization and better visual integration.

## 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:** 0.3/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 7
- **Data Sources:** user reviews, 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:** 12 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/wallpaper-calendar)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.