Jennis by Jessica Ennis-Hill
There aren’t many opportunities to train with an Olympic gold medallist but this app promises expert nutritional advice and workouts for all levels, including for expectant and post-partum mothers; something Ennis-Hill (left) believed was missing when she had her two children. Workouts combine 30-minute or less sessions of high-intensity cardio and strength training. £9.99 a month.

Centr by Chris Hemsworth
Not for the faint-hearted. Designed by a team hand-picked by Australian actor Hemsworth (aka Thor), it includes intense daily workouts (from MMA to boxing and Pilates), weekly recipes and meditation sessions. £15.49 a month.

Own Your Goals by Davina McCall
McCall is the British queen of celebrity workouts, with 14 DVDs in her arsenal and an iconic set of rock-hard abs. Her new OYG website includes nutrition and motivational advice as well as workouts; users can share tips and request routines. £14.99 a month.

• This article was amended on 15 July 2019. An earlier version incorrectly described Jessica Ennis-Hill as a “two-time” Olympic gold medallist.