246+ iOS apps & games curated and reviewed
Looking for free lye calculator apps and games? 19 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (409K) | Yes | No | Sep 2026 |
| 2 |  | Free | — | No | Yes | Jul 2026 |
| 3 |  | Free | 4.0★ (8) | No | Yes | Aug 2026 |
| 4 |  | Free | — | No | Yes | Jul 2026 |
| 5 |  | Free | — | No | Yes | Aug 2026 |
| 6 |  | Free | — | No | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (413K) | Yes | No | Sep 2026 |
| 8 |  | Free was $2.99 | 4.5★ (2) | No | Yes | Aug 2026 |
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 helps handmade soap makers calculate precise lye and water weights for various soap types. It provides detailed fatty-acid profiles, predicted bar properties, and generates FDA-style ingredient labels. It also includes batch tracking and a cure timer with lock screen widgets.
Experience the ultimate satisfaction of cutting and carving various realistic soaps in this 3D studio. Enjoy relaxing sounds and discover a wide variety of soap types to slice and shape.
This app helps handmade soap makers formulate recipes, calculate costs, and evaluate properties. It offers real-time recipe evaluation, smart scoring with skin type suggestions, and supports both solid and liquid soap calculations. It's a privacy-first, one-time purchase tool with no subscriptions or ads.
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 a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.
This app is a comprehensive toolkit for soap makers, offering advanced calculators for lye and soap recipes. It helps manage inventory, track batch production with cost analysis, and provides access to a community recipe database and forum for support.
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 utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.
This app offers a user-friendly calculator with large buttons and extensive customization options. It features a dual-line display to see input and results simultaneously, saves your calculation history, and provides full scientific functions. Personalize layouts, themes, and even button symbols to suit your needs.
A free, classic calculator app with large, easy-to-press buttons and customizable skins. It supports basic arithmetic, memory functions, and can handle very large numbers without using scientific notation. Multitasking is also supported on compatible devices.
This app simplifies soap making by calculating precise oil percentages based on your chosen properties and available ingredients. It offers flexibility in setting restrictions, choosing fragrances, and finding alternative oils when needed. Get back to creating with automated calculations.
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 application assists in formulating traditional handmade soap recipes. Users can create custom oil and lye mixes for personalized soap bars, with features for saving, editing, and organizing recipes.
This app offers a comprehensive scientific calculator with advanced functions for math, finance, and engineering. It includes unit and currency conversion, a constants library, and a biorhythm calculator for daily insights. The interface is intuitive and supports multiple calculation modes.