--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Astro Stacker: Star Images" developer_entity: "Ahmed Al-Mahmud" bundle_id: "com.spacesss.app.Astro-Stacker" app_store_id: "6753679598" category: "Photo & Video" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-08-19" report_date: "2026-08-20" last_verified: "2026-08-20T00:00:00.000Z" report_version: "2.0.5" total_reviews: 2 overall_rating: 1 sentiment: "Upset" sentiment_score: 20 confidence: "medium" confidence_score: 0.5 top_praise_theme: "The core concept of a mobile stacking tool provides a unique utility for photography enthusiasts" top_complaint_theme: "Frequent application crashes during the image stacking process prevent users from completing their projects" review_sample_size: 7 total_review_count: 7 analyzed_review_count: 7 data_age_days: 15 momentum_velocity: "steady" intelligence_version: 3 tags: ["photo & video", "freemium", "upset sentiment", "mobile app", "app review", "app analysis", "amateur", "astronomers", "night"] canonical_url: "https://marlvel.ai/apps/astro-stacker-star-images" license: "CC-BY-NC 4.0" content_version: "v2" --- # Astro Stacker: Star Images Intelligence Report ## TL;DR {#tldr} - **Category**: Photo & Video · Freemium - **Signal**: Rating 1 · Sentiment Upset - **Recent focus**: Frequent application crashes during the image stacking process prevent users from completing their projects (top complaint) · The core concept of a mobile stacking tool provides a unique utility for photography enthusiasts (top praise) > **TL;DR:** Astro Stacker: Star Images is a photo & video app by Ahmed Al-Mahmud, rated 1/5 by 2 users, with Upset user sentiment (20/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Astro Stacker: Star Images faces Upset user sentiment (1/5 from 2 reviews), with users reporting frequent application crashes during the image stacking process prevent users from completing their projects as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 1/5 (2 reviews) | | **User Mood** | Upset | | **Category** | Photo & Video | | **Developer** | Ahmed Al-Mahmud | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 15d | ## Metadata & Market Performance - **Publisher:** Ahmed Al-Mahmud - **Category:** Photo & Video - **Target Audience:** Amateur astronomers and night sky photographers seeking professional-grade image stacking tools on their mobile devices. - **Platforms:** iOS - **Version Reviewed:** 2.0.5 - **Report Date:** 2026-08-20 - **Signal Count:** 7 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 6753679598 - **Bundle ID:** com.spacesss.app.Astro-Stacker - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-20 ## Executive Snapshot **What it is:** Astro Stacker is a mobile image-stacking tool for astrophotography that combines multiple night sky photos to reduce noise and reveal celestial details. **Why users hire it:** The app removes the need for complex desktop software by automating star alignment and image merging directly on the device. ## App DNA (Features & Intent) - **[Differentiator] Image Stacking Algorithms:** Combines multiple night sky photos using Average, Median, Maximum, and Minimum methods to reduce noise and remove artifacts. - **[Differentiator] Intelligent Alignment:** Uses feature detection and center of mass calculations to align stars across images, compensating for camera movement. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] On-device Processing:** Executes all stacking and alignment locally without cloud uploads or internet dependency. * *User Intent:* Users expect seamless access across multiple devices. ## Market Position {#market-position} Astro Stacker occupies a specialized niche in the Photo & Video category, currently holding a 1★ rating across 7 analyzed reviews. The lack of a subscription model differentiates the pricing strategy from broader editing suites, though technical performance currently limits market penetration. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free version for unlimited stacking, Pro tier for full quality master backups - **Analysis:** The app utilizes a pay-once model for core functionality, with Pro-tier gates focused on high-fidelity backup features. ## 🔴 User Sentiment (Medium Confidence: 7 of 7 reviews analyzed) {#user-sentiment} - **Overall Rating:** 1/5 - **Platform Split:** iOS 1.0/5 (2 ratings) - **Overall Sentiment:** Upset ### Top Praises - **The core concept of a mobile stacking tool provides a unique utility for photography enthusiasts** ### Top Complaints (Impact Areas) - **Frequent application crashes during the image stacking process prevent users from completing their projects** ## SWOT Analysis {#swot} **Core Strengths:** - On-device processing ensures privacy for RAW files - Advanced stacking algorithms reduce noise effectively **Growth Levers:** - Guided tutorials for tripod-based RAW capture ## Recent Changes (v2 → v3) {#recent-changes} The product strategy shifted from broad monetization concerns toward specific technical refinements in alignment logic and user education. While the core stability issues persist, the SWOT analysis and PM action items now reflect a more granular focus on algorithm accuracy. **Overall trend**: Stable **Compared at**: 2026-08-20 ### High-impact changes - **[Added] Expanded SWOT Analysis** (swot) ### Medium-impact changes - **[Added] Free Tier Clarification** (pricing) - **[Shifted] PM Action Item Pivot** (positioning) ## What's New - **Latest (v2.0.5, yesterday):** Introduced Local Contrast controls for enhanced detail and automated private cloud backups for finished results. ## App Momentum (Steady) {#momentum} - Shipped local contrast controls in latest release. - Automated private cloud backups added. - Steady six-week update cadence maintained. > **Cadence:** 2 total versions · 1 majors in last 6 months · 1 days since last update · 40 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Astro Stacker: Star Images is a photo & video app that is free with in-app purchases. With a 1/5 rating from 2 reviews, it faces significant user friction. > **Bottom Line:** Technical instability during the stacking process invalidates the current value proposition, so the team must prioritize crash resolution to unlock the retention potential of the core stacking utility. **Best for:** Amateur astronomers and night sky photographers seeking professional-grade image stacking tools on their mobile devices. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Audit stacking engine stability because frequent crashes are the top complaint → reduce churn ### Outlook: Declining The astrophotography utility market is consolidating around tools that offer reliable, high-fidelity processing. Astro Stacker remains exposed due to persistent technical regressions, and the current crash rate will continue to suppress new-user conversion until stability is addressed. - 🔴 Frequent crashes during the stacking process prevent users from completing projects, which directly erodes the core utility of the app. - 🔴 Aggressive monetization patterns without functional value for the cost drive negative sentiment among the small user base. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 1/5 | | Total Reviews | 2 | | Sentiment | Upset (20/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 3 analyzed | | Trend | Stable | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Astro Stacker: Star Images** (this app) | 1/5 | Upset | Ahmed Al-Mahmud | | [Cantina: AI Video & Characters](https://marlvel.ai/apps/is-signal-ios) | 4.8/5 | N/A | Cantina, Inc | | [CapCut: Photo & Video Editor](https://marlvel.ai/apps/capcut-photo-video-editor) | 4.1/5 | Mixed | Bytedance Pte. Ltd | | [Lightroom: AI Photo Editor](https://marlvel.ai/apps/lightroom-ai-photo-editor) | 4.8/5 | Excited | Adobe Inc. | | [Picsart AI Photo Editor, Video](https://marlvel.ai/apps/picsart-ai-photo-editor-video) | 4.3/5 | n/a | PicsArt, Inc. | | [Sora by OpenAI](https://marlvel.ai/apps/sora-by-openai) | 4.7/5 | Excited | OpenAI OpCo, LLC | ## Company Profile - **Developer:** Ahmed Al-Mahmud - **Website:** [https://www.spacesss.com/projects](https://www.spacesss.com/projects) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/astro-stacker-star-images/id6753679598?uo=4) - **Dev Site:** [Official Website](https://www.spacesss.com/projects) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Cantina: AI Video & Characters*](https://marlvel.ai/apps/is-signal-ios) (Cantina, Inc) · 4.8/5 Rating - [*CapCut: Photo & Video Editor*](https://marlvel.ai/apps/capcut-photo-video-editor) (Bytedance Pte. Ltd) · 4.1/5 Rating - [*Lightroom: AI Photo Editor*](https://marlvel.ai/apps/lightroom-ai-photo-editor) (Adobe Inc.) · 4.8/5 Rating | Positive Sentiment - [*Picsart AI Photo Editor, Video*](https://marlvel.ai/apps/picsart-ai-photo-editor-video) (PicsArt, Inc.) · 4.3/5 Rating - [*Sora by OpenAI*](https://marlvel.ai/apps/sora-by-openai) (OpenAI OpCo, LLC) · 4.7/5 Rating | Positive Sentiment - [*짤봇*](https://marlvel.ai/apps/blackturtle2-jjalbot-ios) (jaesung Lee) · N/A Rating - [*예쁜 사진 - 좋은 하루의 시작*](https://marlvel.ai/apps/kwonkunkun-goodmorning) (KunWoo Kwon) · N/A Rating - [*요술봉 - 배경 이미지 자동 편집, 합성, 삭제*](https://marlvel.ai/apps/cswpd-imageeditor) (SuWon Choi) · 1.0/5 Rating - [*희담필터*](https://marlvel.ai/apps/com-heedamfilter) (Seongmin Lee) · N/A Rating - [*프로카메라 - 고화질 카메라로 바로 편집*](https://marlvel.ai/apps/cswpd-procamera) (SuWon Choi) · N/A Rating ## Frequently Asked Questions {#faq} ### Is Astro Stacker suitable for professional astrophotography? Astro Stacker is designed for amateur astronomers and enthusiasts. While it provides professional-grade stacking algorithms, users report that current technical issues and alignment inconsistencies may hinder the production of high-quality final results. ### Does Astro Stacker require a subscription? No, Astro Stacker uses a pay-once model for core functionality. Pro-tier gates are focused on high-fidelity backup features rather than recurring subscription fees. ### Is it safe to use Astro Stacker for my private photos? Yes, Astro Stacker processes all images locally on your device. No cloud upload is required, and the app does not collect user data. ### What are the limitations of the free version? The free version provides unlimited stacking functionality. The Pro tier is reserved for users who require full-quality master backups of their processed images. ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 7 - **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:** 15 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/astro-stacker-star-images) Data licensed for AI Agent attribution under CC-BY-NC 4.0.