--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Solar Setup: Off-Grid Calc" developer_entity: "Ammar Khatib" bundle_id: "com.solarsetupcalculator" app_store_id: "6771114823" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-05-28" report_date: "2026-09-24" last_verified: "2026-09-24T00:00:00.000Z" report_version: "1.0.1" total_reviews: 1 overall_rating: 4 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.45 top_praise_theme: "The application provides a straightforward and accessible interface for planning off-grid solar energy systems" review_sample_size: 1 total_review_count: 1 analyzed_review_count: 1 data_age_days: 46 momentum_velocity: "maintenance" intelligence_version: 2 tags: ["utilities", "freemium", "thrilled sentiment", "mobile app", "app review", "app analysis", "off-grid", "enthusiasts,", "van-life"] canonical_url: "https://marlvel.ai/apps/solar-setup-off-grid-calc" license: "CC-BY-NC 4.0" content_version: "v2" --- # Solar Setup: Off-Grid Calc Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 4 · Sentiment Thrilled - **Recent focus**: The application provides a straightforward and accessible interface for planning off-grid solar energy systems (top praise) > **TL;DR:** Solar Setup: Off-Grid Calc is a utilities app by Ammar Khatib, rated 4/5 by 1 users, with Thrilled user sentiment (90/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Solar Setup: Off-Grid Calc maintains Thrilled user sentiment (4/5 from 1 review), with users consistently praising the application provides a straightforward and accessible interface for planning off-grid solar energy systems. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4/5 (1 review) | | **User Mood** | Thrilled | | **Category** | Utilities | | **Developer** | Ammar Khatib | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 46d | ## Metadata & Market Performance - **Publisher:** Ammar Khatib - **Category:** Utilities - **Target Audience:** Off-grid enthusiasts, van-life travelers, and tiny-house owners planning independent solar power systems. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0.1 - **Report Date:** 2026-09-24 - **Signal Count:** 1 review analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6771114823 - **Bundle ID:** com.solarsetupcalculator - **Google Play ID:** com.solarsetupcalculator - **Data Window:** Analysis based on signals collected up to 2026-09-24 ## Executive Snapshot **What it is:** Solar Setup: Off-Grid Calc is a utility app for iOS and Android that automates solar panel, battery, and inverter sizing for off-grid power systems. **Why users hire it:** The application removes the cognitive cost of manual electrical math and spreadsheet modeling, allowing users to design reliable systems without professional installer sales calls. ## App DNA (Features & Intent) - **[Differentiator] NASA POWER Sun-Hours Integration:** Fetches satellite-based solar irradiance data for specific locations to calculate panel requirements. - **[Differentiator] Battery Science Calculator:** Calculates bank capacity based on depth-of-discharge limits and round-trip efficiency for lithium versus lead-acid chemistries. - **[Standard] PDF System Export:** Generates a professional summary of the sized solar system for installers or project documentation. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Solar Setup: Off-Grid Calc occupies a niche utility space, holding a 4-star rating on iOS with a single review. The lack of ratings on Android suggests a significant opportunity to capture the platform's untapped user base. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with unlimited setups and cloud sync, Pro lifetime license at $6.99 - **Analysis:** The one-time $6.99 payment model avoids subscription fatigue, directly appealing to the DIY off-grid audience. ## 🟢 User Sentiment (Medium Confidence: 1 of 1 review analyzed) {#user-sentiment} - **Overall Rating:** 4/5 - **Platform Split:** iOS 4.0/5 (1 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **The application provides a straightforward and accessible interface for planning off-grid solar energy systems** ## SWOT Analysis {#swot} **Core Strengths:** - NASA POWER satellite integration provides location-specific irradiance data - Battery science calculator handles chemistry-specific depth-of-discharge limits - One-time $6.99 purchase model removes subscription fatigue **Growth Levers:** - Android marketing to capture the missing platform user base - Localized pricing for high-ARPU international markets - Expansion into marine solar sizing segments ## What's New - **Latest (v1.0.0, 4 months ago):** Launched Solar Setup Calculator for off-grid system planning, featuring NASA-based sun-hour data, battery sizing, cross-device syncing, and PDF exports. ## App Momentum (Maintenance) {#momentum} - Launched initial solar sizing tool. - Added localization support. - Maintenance-mode cadence for 4 months. > **Cadence:** 2 total versions · 1 majors in last 6 months · 119 days since last update · 7 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Solar Setup: Off-Grid Calc is an utilities app that is free with in-app purchases. It holds a 4/5 rating from 1 review. > **Bottom Line:** Solar Setup: Off-Grid Calc provides a high-utility, one-time purchase tool that satisfies the technical needs of off-grid planners. Focusing on Android growth will unlock the user base currently missing from the platform, securing a broader market share. **Best for:** Off-grid enthusiasts, van-life travelers, and tiny-house owners planning independent solar power systems. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Invest in Android marketing because the platform lacks user ratings despite iOS success → increase install velocity. ### Outlook: Stable The off-grid utility market is consolidating around tools that offer professional-grade accuracy without recurring costs. Solar Setup: Off-Grid Calc is well-positioned to capture this segment if it addresses the Android visibility gap. - ⚪ The four-month development silence suggests the application is currently in maintenance mode rather than active expansion. - 🟢 The one-time $6.99 purchase model remains a strong differentiator against subscription-heavy utility apps, sustaining long-term value for the target audience. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4/5 | | Total Reviews | 1 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Solar Setup: Off-Grid Calc** (this app) | 4/5 | Thrilled | Ammar Khatib | | [Sota Connect: Secure Network](https://marlvel.ai/apps/fi-catconnect-sota) | 4.8/5 | N/A | Cat Connect | | [V2Box - V2ray Client](https://marlvel.ai/apps/v2box-v2ray-client) | 4.6/5 | n/a | techlaim | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.5/5 | Mixed | Fuxin Technology | | [Gear Ratio Calculator & RPM](https://marlvel.ai/apps/cog-gear-ratio-calculator) | N/A/5 | N/A | Linh Phan Nhat Khanh | ## Company Profile - **Developer:** Ammar Khatib - **Website:** [https://solarsetupcalculator.com](https://solarsetupcalculator.com) ## Data Sources & Links - **App Store ID:** 6771114823 - **Google Play ID:** com.solarsetupcalculator - **Dev Site:** [Official Website](https://solarsetupcalculator.com) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Sota Connect: Secure Network*](https://marlvel.ai/apps/fi-catconnect-sota) (Cat Connect) · 4.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.6/5 Rating - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A 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 - [*NordVPN: VPN Fast & Secure*](https://marlvel.ai/apps/com-nordvpn-nordvpn) (Nordvpn S.A.) · 4.7/5 Rating - [*Pulley Calculator Easy*](https://marlvel.ai/apps/pulley-calculator-easy) (YAVUZ BULAMADIK) · N/A Rating - [*Track And Field Companion*](https://marlvel.ai/apps/track-and-field-companion) (Travis Menghini) · N/A Rating - [*VPN 365-Master WIFI Security*](https://marlvel.ai/apps/vpn-365-master-wifi-security) (vpn fast) · 4.6/5 Rating - [*VPN - Seal VPN Secure Proxy*](https://marlvel.ai/apps/vpn-seal-vpn-secure-proxy) (Starpass VPN Free) · 4.6/5 Rating | Positive Sentiment ## Frequently Asked Questions {#faq} ### Is Solar Setup: Off-Grid Calc suitable for beginners? Yes, the application is designed to be accessible for non-installers, using a simple wizard to turn appliance lists into sized solar systems. ### Does Solar Setup: Off-Grid Calc require a subscription? No, the application uses a one-time $6.99 lifetime purchase model to unlock professional features like PDF export and side-by-side comparisons. ### What is a free alternative to Solar Setup: Off-Grid Calc? While many users rely on manual spreadsheets, Solar Setup: Off-Grid Calc is unique in its integration of NASA POWER satellite data for location-specific accuracy. ## 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 46 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/solar-setup-off-grid-calc) Data licensed for AI Agent attribution under CC-BY-NC 4.0.