"Our target user is the guy in the paddock who is managing a farm," says Ms Owen.
"They don't want to spend hours on a PC, but they know they need to manage risk.
"We take the manual that sat in the corner of the office - pristine in its cobwebs - and put it into the hands of those most likely to be able to make a difference - the people in the field."
The couple worked with Ben Wilson of Bridge Point on the app.
Orange Cross allows the sharing of induction information simply. The Orange Cross team helps farmers set up their farm and they have access to templates that can be adapted to different farming systems.
Once a contractor or staff member is inducted, they can access that farm's risk register, raise incidents and help the farm owner fine-tune their health and safety systems and processes over time.
Someone receiving Orange Cross information from a farmer can set up their own free version of the app. Similarly contractors sharing their risk profile allow their farming clients to have a free version which gives users access to 80 per cent of the app's capabilities. The full version unlocks other aspects such as exporting, reporting, and sharing information with staff and contractors.
"Those inducted to a farm have access to a farm map and risk register that can be searched as well as a comprehensive contact list," says Ms Owen. "The risk register covers what to do to keep safe and allows users to report things that are going on.
"A visitor to the farm can search for drains or the cow shed and see all risks that have been identified there.
"Sometimes people come to the farm to work in one area and end up in another - so they can search relevant details," she says.
The paid version of Orange Cross is charged out on a per farm model, not per staff member, ensuring it remains cost effective.
Ms Owen says while the app is easy to use, it has to be used to be effective.
"Not using the app is like having an unopened toothbrush in a packet. If it sits on a shelf for six months and isn't used, you can't then complain to the dentist when you need fillings."
She says Orange Cross users were documenting more because the app was so easy to use.
Farmers have full control of who has their information; when staff leave their access is revoked and, similarly, contractors can have their access revoked.
Waikato contractor Aaron Smith-Hall has been using Orange Cross for about six months and recently saw how valuable it was to his business.
"We recently had an incident that involved fire trucks and insurance people," says Mr Smith-Hall. "Being able to immediately show our documented processes, control plans and, at the push of a button, get a hard copy for insurance people was one of the few highlights of a stressful couple of days.
"We were thrilled that Orange Cross made this part of the process so easy and it was a reminder to us to always keep things updated. We can now because we always have our phones with us - and I was never that great at paperwork in the first place."