# Solar Calibrator: PV Installer — Pro Solar Tools, Tilt & Quote > Offline solar PV installation toolkit for calibration, sizing, and quoting. (iPhone/iPad app by Fawzi Fakhro.) - Source: https://appshunter.io/ios/app/solar-calibrator-pv-installer/id1636630984 (this page in markdown: same URL + `.md`) - Developer: [Fawzi Fakhro](https://appshunter.io/developer/1636630986) - Category: Utilities, Productivity - Price: $9.99 - Rating: 5.00/5 from 2 App Store ratings · 1 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 39 MB - Languages: American English, Arabic - Released: 2022-07-29 - Data updated: 2026-08-24 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/solar-calibrator-pv-installer/id1636630984/reviews.md ## What is Solar Calibrator? The Professional Solar Installer's Toolkit Solar Calibrator is the all-in-one pocket utility for PV installers, engineers, and advanced DIYers. Calibrate panel angles with precision, size battery banks, calculate wire gauges, and generate professional PDF quotes—all without internet access. CORE TOOLS: Solar Compass & Tilt: Align panels to True North/South and find the optimal tilt angle for Summer or Winter efficiency. Uses advanced sensor damping for steady, professional readings. Battery & Inverter Sizing: Calculate exact off-grid storage needs based on load. Supports Lithium (LiFePO4) and Lead-Acid profiles. Wire Gauge Calculator: Prevent voltage drop and fire hazards. Calculates safe wire thickness (AWG/mm²) based on voltage, current, and run length. Load Audit & Quote Builder: Build a complete appliance load profile and generate instant PDF estimates to share with clients. PV Array & String Sizing: Determine the maximum number of panels per string based on local temperature lows (Voc limits) to protect your inverter. Obstruction Analysis: Calculate shadow cast distance to ensure your array stays shade-free during winter solstice. NEW IN V2.0: Field Mode UI: High-contrast Dark Mode for visibility in bright sunlight. PDF Reports: Export detailed calculation reports and client quotes. Smart Location: Auto-detects latitude for precise sun-hour estimations. ## Key features - Solar compass and tilt angle calibration - Battery and inverter sizing - Wire gauge calculation - Load audit and quote builder - PV array and string sizing - Obstruction analysis - Offline functionality ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/solar-calibrator-pv-installer/id1636630984/reviews.md ### 5/5 — Really useful tool for PV Pros *2026-01-08* A ton of handy tools all in one place, an easy way to calculate wire sizes, roof angles, battery sizing, even now including a quoting tool although I haven’t played around with this much. ## Frequently asked questions about Solar Calibrator ### What is Solar Calibrator used for? Solar Calibrator is a professional toolkit for PV installers. It helps with precise panel angle calibration, battery and wire sizing, load auditing, and generating client quotes, all designed for offline use. ### Does Solar Calibrator work offline? Yes, Solar Calibrator is designed to function entirely without an internet connection, making it ideal for field use where connectivity may be limited. ### What devices support Solar Calibrator? Solar Calibrator is available for iPhone and iPod devices. It is rated for ages 4 and up. ### How much does Solar Calibrator cost? Solar Calibrator is a paid application, with a price of $9.99. There are no in-app purchases or advertisements. ### How often is Solar Calibrator updated? The latest version, 2.0.1, was released on January 4, 2026. Previous updates indicate a commitment to improving features and usability for solar professionals. ### Can Solar Calibrator help with quoting for clients? Yes, Solar Calibrator includes a Load Audit & Quote Builder tool that allows you to create a complete appliance load profile and generate instant PDF estimates to share with clients. ### What kind of battery profiles does Solar Calibrator support? Solar Calibrator supports battery and inverter sizing calculations for both Lithium (LiFePO4) and Lead-Acid battery profiles, helping you determine exact off-grid storage needs. ### Does Solar Calibrator have ads? No, Solar Calibrator does not contain advertisements. It is a paid application focused on providing professional tools without interruption. ## Version history (last 5 releases) ### 2.0.1 — 2026-01-04 We've Gone Pro! (Ad-Free Experience) Solar Calibrator is now a fully premium utility. We have completely removed all advertisements to ensure a faster, cleaner, and strictly professional workflow. No distractions—just tools. Also in this update: • Precision Compass: Tuned with new dampening algorithms for smoother, more accurate orientation. • Smart Tilt Tool: Added "Spirit Level" snapping for faster angle calibration. • Quote Generator: Create and export professional PDF quotes for your clients directly from the app. • Localization: Full support for Arabic and English languages. • Performance: Optimized scrolling and reduced battery usage. ### 2.0.0 — 2025-12-12 Major Update: v2.0 - The "Pro Tool" Overhaul We've rebuilt the app from the ground up to be faster, darker, and more professional. New Look: "Field Mode" Dark interface for better visibility outdoors. New Tool: Quote Calculator – Generate and export PDF estimates instantly. New Tool: Obstruction Analysis – Check for shading risks before you install. New Tool: String Sizing – Calculate safe Voc limits for cold weather. Improved Compass: Now features "True North" correction and sensor smoothing for steady alignment. Professional Reports: Export any calculation as a detailed PDF. ### 1.1.0 — 2024-04-28 What's New ---------------------- Bug fixes and performance improvements. More accurate calculation based on user location. Added 2 new calculators to calculate the number of solar panels needed and capacity of batteries as well as inverter power rating Stay tuned for upcoming features! Love the app? Don't forget to leave us a review! ### 1.0.5 — 2023-02-13 -Bug Fixes ### 1.0.2 — 2022-07-29 No release notes. ## Apps similar to Solar Calibrator | App | Rating | Price | Category | | --- | --- | --- | --- | | [SenserAlign](https://appshunter.io/ios/app/senseralign/id1254219811) | 5.0 (4) | Free | Utilities | | [PV Master - Solar Panel System](https://appshunter.io/ios/app/pv-master-solar-panel-system/id396636193) | 4.5 (22) | Free | Utilities | | [Solar Calculator The Original](https://appshunter.io/ios/app/solar-calculator-the-original/id1307247788) | 3.7 (6) | Free | Utilities | | [Solar PV Forecast & Alerts](https://appshunter.io/ios/app/solar-pv-forecast-and-alerts/id6479313475) | 4.0 (28) | Free | Utilities | | [BASEN GREEN IRAQ](https://appshunter.io/ios/app/basen-green-iraq/id6764165068) | 5.0 (2) | Free | Utilities | | [NSL Tilt and Point](https://appshunter.io/ios/app/nsl-tilt-and-point/id6446704854) | 5.0 (1) | Free | Utilities | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*