There was a time not so long ago when using a phone to get fit might have sounded like witchcraft. But with smartphones, apps and all the sensors built into today's handsets they can prove remarkably useful fitness tools. We've compiled a list of the ten best iOS fitness apps to help you eke the maximum health benefit out of your iPhone.
1. Nike+ Running (free)
Nike has gone beyond trainers and sports clothing and really embraced smart fitness with the likes of the Nike FuelBand SE.
Nike+ Running is another such innovation. It allows you to track the distance, pace and time of your runs and it's smart enough to pause and start up again when you do, so if you need to catch your breath you won't need to stop the app.
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Once you're done you can then share your route on Facebook and sync it with the Nikeplus.com website.
It's a slick, pared back app and while it may be light on features it's easy to use, looks good and does what it sets out to.
2. Yoga Studio (£1.99)
Yoga isn't the easiest thing to get to grips with on your own, but Yoga Studio does a good job of helping you out.
With advice and instructions for over 280 poses you'll be doing the downward-facing dog and feathered peacock in no time.
But not only does Yoga Studio teach you the basics, it also includes 30 yoga classes with HD video and lets you easily create custom classes.
So whether you're a beginner or have been practising yoga for years, Yoga Studio can help.
3. Cyclemeter GPS (£2.99)
There are loads of running apps out there, but the selection of cycling apps is rather smaller. Thankfully there are still some great ones, such as Cyclemeter GPS.
You can use it to time your rides, track how far you've ridden, view route maps, see graphs of your performance over time and more. With the help of additional sensors it can also record your heart rate, bike speed, bike cadence and bike power.
Announcements will let you know how you're doing while you ride, you can compete against previous times and even configure interval training, zones and targets. In other words Cyclemeter GPS is about as comprehensive as you could hope a cycling app would be.
4. Runtastic Pro (£2.99)
Runtastic Pro is a full featured running app, allowing you to track your speed, distance, elevation and burnt calories while running.
But those are just the basics, it also lets you set up training goals, create and find routes, view graphs and historical data of your workouts and control your music from the app.
You can also get audio feedback for every mile or km that you run and manually enter other workouts so that you can keep track of all of your exercise from one app.
It can even be synced with MyFitnessPal, so if you already use that you can easily add your run data to it.
5. Fitocracy (free)
Fitocracy does its utmost to make fitness fun. At its core it's designed to let you log workouts so you can track your progress.
But to keep you motivated it incorporates points that can be earned, achievements that can be unlocked and quests that can be beaten.
Essentially it turns fitness into an RPG and it works pretty well, almost making it feel more like you're playing a game than working out.
Add to that an attractive interface and a supportive community and Fitocracy could be just what you need to stay motivated when the exercising itself starts to feel like a chore.
6. Moves (£1.99)
Moves is a pedometer for your phone, but it's also so much more than that. It's got a step counter that can track your walking and running and it's designed to be left on all day, so in other words it does the same job as a dedicated fitness tracker such as Fitbit Force.