PACT is a good tool to recommend to the techno-savvy patient needing motivation to get out and moving.

Created by a pair of Harvard students, it purports to help 92% of users live a healthier life by using money as a motivator.

Pact requires users to set the number of exercise sessions they will complete in the coming week. They then agree to a fine ($5–50) for every session they miss. Those who meet their goals are rewarded by receiving money paid by those who fail (25–60 cents per workout).

In order to verify that the exercise is being done, visits are logged at a gym via GPS check through the app, or for physical activity outside of a gym by measuring activity with a ‘motion tracker’, or in conjunction with partner apps such as Run-Keeper, Fitbit, Jawbone Up, MapMyRun or MyFitnessPal.

Users can access the number of workouts completed and money earned via the profile page. The settings screen allows you to set and modify your workouts for the next week, withdraw rewards and schedule a break.

Pact uses a carrot and stick approach to promote positive behaviour change and although the monetary reward is small, it may be enough to provide motivation for at least a proportion of patients.

App: Pact

Cost: Free 

Compatibility: iPhone, iPod touch, iPad

Requirements: iOS 6.0 or later

Registration required: Yes 

The verdict: 3 stars

1=optional 2=useful 3=recommended 4=must have

iTunes: https://itunes.apple.com/au/app/pact-earn-cash-for-living/id456068701?mt=8