249+ iOS apps curated and reviewed
Looking for free nle calc apps? 18 of our 249+ 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 | 2.8★ (10) | No | No | Aug 2026 |
| 2 |  | Free | 4.8★ (1.9K) | Yes | No | Aug 2026 |
| 3 |  | Free | 4.7★ (17K) | No | No | Aug 2026 |
| 4 |  | Free | 4.6★ (4.7K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (1.8K) | No | Yes | Aug 2026 |
| 6 |  | Free | — | Yes | No | May 2026 |
| 7 |  | Free | — | No | Yes | May 2026 |
| 8 |  | Free | 4.7★ (15) | Yes | Yes | Aug 2026 |
This utility calculates the Recommended Weight Limit (RWL) and Lifting Index (LI) for single or multiple lifting tasks based on the NIOSH Lifting Equation. It helps assess physical stress to prevent low back musculoskeletal disorders.
This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.
This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.
This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.
Access critical OSHA safety standards offline for various industries including general industry, construction, and maritime. Ideal for employers, safety professionals, and workers needing quick on-the-job reference to ensure compliance and workplace safety.
This app is a powerful calculator for students and professionals, offering advanced features like symbolic expression manipulation, graphing, and statistical analysis. It supports real, complex, and integer numbers, matrices, and vectors, making it versatile for various mathematical tasks.
This app functions as an algebraic calculator specifically designed for polynomial expressions. It offers basic four-function operations within the realm of polynomials.
A minimalist calculator app focused on simplicity and a clean workflow. It offers both basic and scientific modes, allowing users to perform calculations without complex settings. Get started quickly with this straightforward tool.
This app allows users to create custom mathematical rules, transforming standard calculations into personalized equations. Surprise others with unique results by defining your own logic for any expression. Supports multiple languages for a global user base.
This free calculator app is designed for academic, scientific, and engineering needs. It offers basic arithmetic, memory storage, fraction and percentage calculations, and advanced functions like linear regression and hexadecimal conversions. Its user interface mimics a Casio scientific calculator.
This app offers ten powerful calculators, including scientific, graphing, and financial tools, along with numerous worksheets and conversion options. It's designed to handle complex calculations, currency conversions, and financial planning with advanced features and customizable displays.
