Calculate artillery and SPA settings for Hell Let Loose with a standard calculator or an interactive map. Save distances, add markers, and view firing ranges. Includes an Apple Watch app for standalone use.






211+ iOS apps & games curated and reviewed
The best hell let loose calculator apps on iPhone average 4.7★ across 211+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.






Calculate artillery and SPA settings for Hell Let Loose with a standard calculator or an interactive map. Save distances, add markers, and view firing ranges. Includes an Apple Watch app for standalone use.






This tool helps Hell Let Loose players quickly calculate artillery firing values. It offers voice and classic input methods, hands-free operation, and Apple Watch support for fast, distraction-free use during gameplay.






This tool helps players of a specific war simulation game achieve precise artillery targeting. It calculates the necessary elevation for artillery rounds based on target distance, ensuring accurate strikes against enemies.


This tool quickly converts distances to mils for artillery calculations in Hell Let Loose. It allows users to store past entries and mark favorites for easy access. The application supports all factions within the game.


This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.


This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.


This app offers comprehensive dog training with expert-led video lessons, a health diary for tracking vet visits and vaccinations, and tools like a clicker and whistle. It also provides personalized walking schedules and verified articles on canine health.


View all maps from the popular game and create custom map variations. Save and export your unique map designs. This is a fan-made project for the game's community.


This app offers a straightforward calculation experience, focusing on essential functions without unnecessary complexity. It includes basic arithmetic, percentage calculations, and advanced functions like square root. Users can customize the appearance with multiple color schemes and utilize features like result copying and split-screen multitasking on iPad.


This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.


This app offers a science-backed, personalized training program for new dog owners. It provides over 250 video lessons covering essential life skills, basic commands, and problem behaviors. Get 24/7 expert advice and join a supportive community.


This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.


This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.


This app offers a clean and intuitive interface for both basic arithmetic and advanced scientific calculations. It includes a history tape to review past computations and supports various mathematical operations, making it suitable for everyday use and complex problem-solving.




This app offers a customizable and fast calculator experience with a wide variety of themes. It includes scientific and standard modes, real-time results, and calculation history. Personalize your math with over 60 cute and colorful themes, including animated options.


This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.


This app offers a powerful and customizable calculator experience with a dual-line display for seeing input and results simultaneously. Save and organize your calculations with history, labeling, and email options. Personalize layouts, themes, and fonts for a comfortable and efficient user experience.


This free calculator app offers a fast, ad-free experience with a visual input and calculation history. Customize your experience with various keyboard sounds and colors, and access advanced scientific functions when needed.


This application offers a high-precision calculation engine with a user-friendly interface. It allows for real-time result display as formulas are typed, supports multiple undo actions, and enables easy switching between workspaces. Users can also access persistent history, print calculations via AirPrint, and share history via email.