StandbyCalc
Standby battery calculator for fire and intruder alarms.
Free · StandbyCalc Pro £9.99 one-off
Independent app, not affiliated with or endorsed by BSI.
On the App Store
Apps for UK trades
iPhone apps from D4N LTD for UK trade engineers. Free to start, with a Pro upgrade. No sign-up.
CallPoint
Fire alarm log book based on BS 5839-1, with PDF export.
Free for one site · Pro from £14.99/yr
Coming soon
Independent app, not affiliated with or endorsed by BSI.
ExitPath
Emergency lighting log book based on BS 5266-1.
Free for one building · Pro from £14.99/yr
Coming soon
Independent app, not affiliated with or endorsed by BSI.
KnownGood
Test instrument checks and calibration due dates.
Free for one instrument · Pro from £24.99/yr
Coming soon
Independent app, not affiliated with or endorsed by any assessment scheme.