# JouleBug vs Deedster | Climate action

The clearest difference is update cadence: Deedster | Climate action at every 10 days against JouleBug's every 3 months. JouleBug's advantage is rating (4.4 vs 4.0) and review sentiment (70% vs 50%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

JouleBug holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: JouleBug has 41 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 70% of JouleBug's written reviews are positive against 50% of Deedster | Climate action's.

JouleBug ships an update every 3 months, Deedster | Climate action every 10 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | JouleBug | Deedster | Climate action |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/joulebug-legacy/id391199306/reviews)** | [4.0 (7 ratings)](https://appshunter.io/ios/app/deedster-climate-action/id1241207086/reviews) |
| Number of ratings | **41** | 7 |
| Positive reviews | **70.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 70 MB | 83 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Cleanbit Systems, Inc.](https://appshunter.io/developer/391199309) | [SDG12 AB](https://appshunter.io/developer/1241207085) |

## What reviewers say

### JouleBug

[App page](https://appshunter.io/ios/app/joulebug-legacy/id391199306)

This app is designed to enhance workplace experiences by fostering environmental and social stewardship through collective action. It offers tailored sustainability programs, tracks impact metrics, and encourages employee engagement through challenges and social interactions.

**Highlights:** Employee Engagement Hub, Tailored Sustainability Programs, Metrics for Impactful Insights, Inspirational Challenges, Dynamic Social Interactions

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Great concept and idea
- 👍 Fun and engaging
- 🌍 Motivates environmental action
- 💡 Educational and informative
- 🤝 Social and competitive aspect

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App is buggy
- 🐛 Server errors
- 🐛 Incomplete features/buttons
- 🐛 Outdated content (challenges, actions)

**Reported bugs**

- App closes when buzzing
- Server error prevents usage
- App won't load after initial setup
- Login errors, requires Facebook
- Accidental buzzes cannot be deleted

**Requested features**

- Add more sustainable actions/challenges
- Update book and movie options
- Add a clothing section with sustainable options
- Allow deletion of unintentional buzzes
- Favorite/categorize activities


### Deedster | Climate action

[App page](https://appshunter.io/ios/app/deedster-climate-action/id1241207086)

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.

**Highlights:** Carbon footprint calculation, Climate knowledge quizzes, Habit tracking, Group climate actions, Sustainable lifestyle engagement, Multilingual support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JouleBug free?

JouleBug is free to download, with no in-app purchases.

### Is Deedster | Climate action free?

Deedster | Climate action is free to download, with no in-app purchases.

### Which has better reviews, JouleBug or Deedster | Climate action?

JouleBug is rated higher. JouleBug averages 4.4 out of 5 from 41 ratings, while Deedster | Climate action averages 4.0 from 7 ratings.

### Do JouleBug or Deedster | Climate action have ads?

Neither JouleBug nor Deedster | Climate action shows ads.

### Which is updated more often, JouleBug or Deedster | Climate action?

JouleBug ships an update every 3 months, and Deedster | Climate action every 10 days. Most recently, JouleBug was updated on November 6, 2026 and Deedster | Climate action on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*