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By George MacKerron

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mappiness maps happiness across space in the UK. It's part of a research project at the London School of Economics. We'd love to have you on board!

*** NOTE: If you're not in the UK, please see for an important message about time zones ***


- You download the app, open it, and sign up

- We beep you once (or more) a day to ask how you're feeling, and a few basic things to control for: who you're with, where you are, what you're doing (if you're outdoors, you can also take a photo)

- The data gets sent back — anonymously and securely — to our data store, along with your approximate location from the iPhone's GPS, and a noise-level measure


- Interesting information about your own happiness, which is charted inside the app and available for private download — including when, where and with whom you're happiest

- The warm glow of helping increase the sum of human knowledge


- We're particularly interested in how people's happiness is affected by their local environment — air pollution, noise, green spaces, and so on — which the data from mappiness will be absolutely great for investigating

- We hope to have some results published in academic journals, and elsewhere — whatever we produce will be linked from our website,


For more information, visit, or download the app, open it, and choose 'Find out more'.

What's New in Version 1.1.5

Mappiness now supports full screen size on iPhone 5.

Note: because of changes to Apple's developer tools, the lowest supported iOS version is now 4.0, and the earliest supported hardware is iPhone 3GS.

iPhone Screenshot

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Customer Reviews

Great app in need of only some tiny adjustments

I'm loving this app so far - it's periodic reminders to fill it in means I use it far more than apps that rely on my memory alone. It's results are clearly displayed, include most of the data you want to see and are really very interesting.

The only thing holding me back from giving it 5 stars is that it doesn't let you at your own activities - 'thinking' and 'daydreaming' aren't included, neither is commuting. It would be handy to track personal activities, as at times I feel myself substituting the times I've been sat around thinking or worrying for other things.

Has potential

Quite like doing this, and its nice to know its helping some research but feel it's missing out on some relevant info. Would be good to be able to record what I've eaten as this def effects my mood, and also think there should be a chance to record significant life events. For example - all my happiness scores are low at moment but because of a loss - so I don't feel it's really giving an accurate view of how I normally feel "at work", "post exercise" etc.

Interesting and simple

Really enjoy doing this and keeping track of my happiness. Been doing it for 15 months now and it's really good to see the general state of my mind - although I do worry I prefer waiting and queuing to "intimacy!"
The only request I would ask of the developers is to put the task list in alphabetical order as I find it frustrating scrolling through the current haphazard list.

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  • Free
  • Category: Lifestyle
  • Updated:
  • Version: 1.1.5
  • Size: 1.7 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch.

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