
Free
Rating summary
About
Heat Input is the tool for work that demands control and documentation.
Enter voltage, current, length and time, and get heat input or arc energy instantly.
CALCULATION
• Heat input with k-factor (ISO 17671), or arc energy per (ISO/TR 18491)
• Welding processes (SO 4063): MMA, MIG, MAG, TIG, SAW, plasma and cored wire
• Quick adjustment with scroll wheels, with travel speed calculated automatically
• Built-in stopwatch that times your pass while you weld
PASS DATA
• Record gas, flow, filler, diameter, wire feed, transfer mode, polarity and interpass temperature
• ISO 14175 gases and common fillers included, and you can add your own
• Notes on every pass
PHOTOS
• Take photos of your passes with the camera or from your photo library
• Camera photos are stamped with the weld data: pass, process, voltage, current, kJ/mm and time
• Swipe through every photo in a job and zoom in on details
DOCUMENTATION
• Log passes with press and hold, and group them into jobs
• History of all jobs and passes
• Share a job as CSV with photos to your computer, email or cloud
• Full backup and restore, also when you change phones
MORE
• Works offline, and all data stays on your phone
• Two themes: RETRO and FIN
• Norwegian and English
The information in this app is for guidance only. Always check against applicable standards and procedures.
Show more
What's New in Heat Input
2.1.1
October 22, 2026
New in 2.1.1: Fixed two small bugs: • The app now remembers your last selected welding process when it's fully restarted. • Shared jobs with photos can now be unzipped on Windows without an error. And when you share a job by email, the subject is filled in with the job name.
More



