Other states that have experienced COVID community transmission in recent months, including South Australia and NSW, have implemented mandatory government apps for retail outlets, eateries and venues, which are policed more closely by staff and authorities compared with Tasmania.

Sarah Goss, co-owner of Star Bar and the Sports Garden Hotel, said very few patrons used the Check in Tas app, and when staff attempted to explain the app and QR code, there was little interest.

They added the option of using the QR code at venues on the advice of the Tasmanian Hospitality Association.

Ms Goss said Star Bar security and staff closely monitored the contact tracing sign-in sheet, which she believed was working well.

"Not everyone has a phone that's compatible with using QR codes, and a lot of elderly people find it difficult," she said.

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"One-in-10 might use it.

"I'm sure it's probably similar for other places as well."

Sporties Hotel had been proactive in implementing COVID-safe measures, including using the QR sign-in app Book Eat Safe, rather than the government app.

Owner Nick Daking said there was inconsistency with QR codes, given they don't need to be used on public transport, while busy major retailers experience high levels of foot traffic without customers checking in.

He said their system - in which about 20 per cent of Sporties patrons use the app - was working well.

"If a known case comes into the business, I want to be able to give as much information as I can to the government straight away and be back open as soon as I can," Mr Daking said.

"The only way we can do that is if we do the right thing. It's going to cost us a hell of a lot more if we get shut down."

When asked if there were plans to make QR codes mandatory, a government spokesperson said it would continue with the combination of pen-and-paper, and the Check In Tas app.

"Take up of the Check In Tas app has been very strong, with more than 2500 businesses now registered and downloads are continuing to grow daily," the spokesperson said.

"It is important to recognise that not all Tasmanians have access to a smartphone, and so it is vital that these details are able to be captured through paper based solutions."

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