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Deedster | Climate action

Deedster | Climate action

Climate engagement tool

7 ratings
2 reviews
🔧 Utilities
🌟 Lifestyle

Archived App (Last seen on 16 Jul 2026)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • May 22, 2018
  • June 20, 2026

Features

Developer

Swedish Development Group 12 AB
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About

Calculate your carbon footprint, test your climate knowledge with quizzes, and track sustainable habits. Engage in eco-friendly actions with friends and family to promote a shift towards sustainable living.

✓Carbon footprint calculation
✓Climate knowledge quizzes
✓Habit tracking
✓Group climate actions
✓Sustainable lifestyle engagement
✓Multilingual support
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What's New in Deedster | Climate action

3.8.7

June 20, 2026

Getting started with Deedster just got a whole lot smoother. We've given our onboarding experience a refresh, making it quicker and easier to join the action and start making an impact. We've also made some behind-the-scenes improvements to keep everything running smoothly. Update now and enjoy the ride toward a more sustainable lifestyle!

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User reviews

Most RecentHighest RatedLowest Rated

Calculator AND insights to drive behaviour change

Deedster is a very relevant app - and the cool part is the way the app coaches you to make changes in your personal consumption, and then shows you the result.
kevingalliers1kevingalliers1

Misrepresents the single largest contribution

This claims to analyse your carbon footprint, yet misrepresents the single largest contribution you can make - having kids. Adding in the number of kids you have actually reduces your carbon footprint, when it should increase it massively. This is just another way to try and shame meat eaters and car owners.
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BunglinBunglin

FAQ

What is Deedster's carbon footprint calculation based on?

Deedster helps you become aware of your own climate impact by calculating your carbon footprint. The app provides knowledge through quizzes and tracks new habits to encourage sustainable lifestyles.

Can I use Deedster with friends and family?

Yes, Deedster allows you to engage in climate-friendly "deeds" together with friends, family, and co-workers. This collaborative approach aims to enable a collective shift towards sustainable lifestyles.

What languages does Deedster support?

The app is currently available in 17 languages, making climate action accessible to a global audience. This broad language support facilitates wider engagement in sustainable practices.

Is Deedster available on iPad?

Deedster is optimized for iPhone and is not intended for iPad use. The user experience is designed specifically for the iPhone platform.

How often is Deedster updated?

The latest version of Deedster is 3.7.0, last updated on December 9, 2025. This indicates regular updates to improve functionality and content.

What is the age rating for Deedster?

Deedster has an age rating of 4+, making it suitable for a wide range of users interested in climate action and sustainability.

Does Deedster have ads?

No, Deedster does not contain advertisements. The app is free to use and does not display any ads to its users.

How does Deedster compare to other climate action apps?

Deedster focuses on personal carbon footprint calculation, knowledge acquisition through quizzes, habit tracking, and group engagement. Its emphasis on collaborative action and a wide range of languages differentiates it.