v1.7 DTS Gas Guru is now available in 8 languages: English, German,
  French, Italian, Spanish, Russian, Indonesian and Japanese. The app
  automatically detects your device language, with the option to change it
  manually in Settings

v1.6  Added user adjustable helium purity to all calculations, improved
  mixer layout, updated settings panel and improved UI when swiping between
  tabs.

- Mixer Top Up panel redesigned with a cleaner two-column layout — Current gas
   on the left, Top Up gas on the right — making it easier to compare and enter
  values at a glance.
  - Splash screen display time extended for a smoother app launch experience.

What's New in Version 1.4:
  • Added flexible unit settings — switch between metres/feet, °C/°F, and bar/PSI to suit your
  preference. Defaults remain metres, Celsius and bar.
  • "Go to Mixer" button in Best Mix renamed to "Add to Mixer" for clarity.
  • Minor version update and performance improvements.

Version 1.3 brings significant improvements to the Mixer:
• Colour-coded blending steps — Helium (orange), Oxygen (green), Air (blue), Nitrox (yellow)
• Running pressure totals — see your cylinder pressure build step by step as you blend
• Nitrox top-up support — blend using Nitrox 32 or any custom nitrox as your top-up gas instead of air
• He + Nitrox only blending — calculate trimix fills without pure oxygen
• Analyser renamed to Gas Check

v1.2 — Improved gas calculation accuracy and bug fixes.

Bug fixes relating to he and End in best mix results