The Beta-Danish Distribution for Lifetime Data Analysis R package BetaDanish version 0.1.0 Implements the four-parameter Beta-Danish distribution and its three-parameter submodel for survival and reliability analysis, based on Ahmad and Danish (2025) <doi:10.2478/jamsi-2025-0010>. Provides functions for density, distribution, quantile, hazard, and random generation. Includes maximum likelihood estimation for complete and right-censored data, goodness-of-fit assessment, comparison with standard lifetime distributions, and publication-quality visualizations. Advanced modules support Accelerated Failure Time (AFT) regression, mixture and promotion-time cure models, and competing risks analysis. Software Depends: R (>= 3.5) Imports: maxLik, survival, stats, graphics, utils, tools Suggests: readxl, flexsurv, testthat (>= 3.0.0), knitr, rmarkdown Bilal Ahmad <bilalahmad.imcbh9@gmail.com> Comprehensive R Archive Network (CRAN) Bilal Ahmad [aut, cre], Muhammad Yameen Danish [aut] GPL-3 2026-05-20 application/tgz https://CRAN.R-project.org/package=BetaDanish doi:10.32614/CRAN.package.BetaDanish