Report updated May 26, 2026
Decalcomanie Gallery
For android users seeking a lightweight, offline-capable photo management tool that organizes media automatically.
Decalcomanie Gallery is a challenged games app that is completely free. With a 4.3/5 rating from 603.2K reviews, it faces significant user friction. Users particularly appreciate simple and relaxing media browsing experience keeps users engaged with their personal photo collections, though navigation gestures and back button functionality exit the app instead of returning to previous folders remains a common concern.
What is Decalcomanie Gallery?
Decalcomanie Gallery is a lightweight, offline-capable photo and video management app for Android users.
Users hire this app for efficient, data-free media organization on low-end hardware where cloud-dependent alternatives are inaccessible.
Current Momentum
v1.1 · 3w ago
Maintenance- Ships bug fixes in latest release.
- Maintains top-10 category rank in Africa.
Active Nemesis
Pixel Art － Color by Number
By Easybrain
Other Rivals
7-Day Rank Pulse 🇺🇸
GamesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Groups photos into categories like People, Selfies, Nature, and Documents using on-device processing
Full gallery functionality without requiring an active data connection
One-tap photo editing tool for quick image adjustment
How much does it cost?
- Free
The app is distributed as a free utility with no IAP or subscription tiers, functioning as a platform-retention tool for the developer.
Who Built It?
MondayOFF
Providing casual gamers with accessible, short-burst entertainment through a diverse portfolio of hyper-casual and simulation titles.
Portfolio
13
Apps
What other apps does MondayOFF make?
Curious Dudu
Dino mutant : T-Rex
Super Driller!
Crowd Order
Gun Head Run
Life of Mellow
Explore the full MondayOFF report
Portfolio breakdown, audience, momentum, and every app published by MondayOFF.
What do users think recently?
High confidence · Latest 120 of 189 total reviews analyzed · Based on 189 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate simple and relaxing media browsing experience keeps users engaged with their personal photo collections, but report navigation gestures and back button functionality exit the app instead of returning to previous folders.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Decalcomanie Gallery?
How's The Games Market?
**Pricing**: Free utility with no IAP or subscription tiers, functioning as a platform-retention tool. **Target Audience**: Android users seeking lightweight, offline-capable media management. **Chart Performance**: The app maintains a consistent presence in the Photography category across multiple emerging markets, including #2 in Senegal and #7 in Ghana, signaling strong adoption in mobile-first regions.
How does it evolve in the Games market?
The app holds a top-10 category position in multiple emerging markets, including #2 in Senegal and #7 in Ghana. This regional dominance in mobile-first markets offsets the lack of monetization, securing a large user base for the developer.
Rank progression
92 active rankings tracked — 30-day window
The rivals identified
Nemeses(1)
This app dominates the casual coloring market with a massive user base and high-frequency content updates, directly competing for the same leisure-time attention as the target app.
Differentiators
- Offers a proprietary Pixel Art Camera feature that converts personal photos into custom coloring templates
- Features a complex Flower Garden meta-game that drives long-term retention through collection and progression mechanics
- Utilizes advanced coloring boosters that provide a more gamified experience compared to standard digital painting
Head to head
The target app should pivot toward niche utility or performance-focused media management to avoid direct feature-parity battles with this content-heavy giant.
Contenders(4)
Directly competes for the same casual gaming demographic by offering a polished, high-frequency content update schedule.
Differentiators
- Optimized for one-handed controls which improves accessibility and ease of use during short play sessions
- Maintains a rigorous daily content update schedule that ensures users always have fresh material to color
A major player in the coloring space that utilizes narrative-driven content to maintain high retention rates among casual gamers.
Differentiators
- Integrates a picture book story mode that adds a layer of narrative progression to coloring activities
- Aggressive monetization through collection events and premium subscriptions creates a high-revenue per user model
Targets a specific aesthetic niche within the coloring category, drawing away users who prefer moody or surreal visual styles.
Differentiators
- Focuses on a distinct surreal and moody art library that differentiates it from generic coloring apps
- Includes an auto-fill tool that significantly reduces the time required to complete complex coloring tasks
Competes for the same casual gaming audience by offering high-quality, artist-collaborated content that challenges the target's engagement metrics.
Differentiators
- Curates exclusive artist-collaborated artworks that provide a premium aesthetic feel missing from standard gallery apps
- Implements thematic coloring collections that encourage seasonal engagement and frequent return visits from the user base
Same space(3)
Thanagorn Marukcanon
0
Targets the educational and hobbyist segment of the coloring market with a focus on specific subject matter.
Differentiators
- Focuses exclusively on animal-themed coloring pages to capture a specific niche of nature-loving casual users
- Positions the app as a tool for skill development rather than just a casual time-wasting game
A legacy coloring app that serves as a reminder of the saturation in the simple digital coloring category.
Differentiators
- Provides multi-language support to cater to specific regional markets rather than a global, generic audience
- Offers a simple, no-frills digital coloring experience that avoids the complexity of modern ad-heavy apps
Leverages strong IP-based themes to capture a specific subset of the coloring audience that the target app lacks.
Differentiators
- Utilizes recognizable pop-culture themes to attract a younger, highly engaged demographic of gaming fans
- Features flexible gameplay mechanics and power-ups that make the coloring process feel more like a game
Compare Decalcomanie Gallery 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.
The outtake for Decalcomanie Gallery
Strengths to defend, gaps to attack
Core Strengths
- Offline-first architecture enables performance on low-end hardware
- On-device categorization provides a utility-focused barrier to entry
Critical Frictions
- Navigation regression in the latest release causes app-exit on back-gestures
- Limited editing tools restrict the app to basic rotation and cropping
Growth Levers
- Integration of cloud-sync options for non-sensitive media
- Expansion of on-device categorization to include custom user-defined tags
Market Threats
- High-frequency content updates from coloring-category rivals siphon user attention
- Navigation bugs drive users to uninstall in favor of more stable gallery alternatives
What are the next best moves?
Rebuild navigation stack because the back-button exit bug is the top-cited churn driver → restore retention baseline
Navigation regression is the #1 complaint theme in user sentiment data.
Trade-off: Push the planned UI refresh to Q3 — navigation stability has 5x the churn impact.
A counter-intuitive read
The app's #2 rank in Senegal is a higher-value signal than its lower US rank, as it proves the offline-first utility model is a viable distribution strategy in data-constrained markets.
Feature Gaps vs Competitors
- Advanced photo editing tools (available in Pixel Art but missing here)
- Narrative-driven meta-games (available in Paint by Number but missing here)
Key Takeaways
The app maintains a strong utility-based install base in emerging markets, but the current navigation regression creates an immediate churn risk, so the team must prioritize stability over new feature development.
Where Is It Heading?
Declining
The casual utility market is consolidating around stable, high-frequency update models, leaving this app exposed to churn. The current navigation regression will erode the user base in emerging markets unless the team shifts from maintenance to an immediate stability-focused sprint.
The latest navigation regression forces the app to close during back-gestures, which triggers a surge in negative sentiment and uninstall requests.
Recent updates focused on stability and minor improvements, indicating the team is currently in maintenance mode rather than active feature expansion.