# JouleBug vs Sow Green

The clearest difference is rating: Sow Green at 5.0 against JouleBug's 4.4. JouleBug's advantage is ratings volume (41 vs 1) and update cadence (every 3 months vs every 10 months). 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.

Sow Green holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: JouleBug has 41 ratings behind it against 1, so its average is the more settled of the two.

JouleBug ships an update every 3 months, Sow Green every 10 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | JouleBug | Sow Green |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (41 ratings)](https://appshunter.io/ios/app/joulebug-legacy/id391199306/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sow-green/id1462718042/reviews)** |
| Number of ratings | **41** | 1 |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Monetization | Free | Free |
| Size | 70 MB | 69 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Cleanbit Systems, Inc.](https://appshunter.io/developer/391199309) | [EarthShare](https://appshunter.io/developer/1462718041) |

## 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- 🐛 Outdated content (challenges, actions)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


### Sow Green

[App page](https://appshunter.io/ios/app/sow-green/id1462718042)

This app helps you build sustainable habits by tracking your eco-friendly actions. See the real-time impact of your choices on energy, water, and waste. Collaborate with others to amplify your environmental efforts.

**Highlights:** Track sustainable actions, Real-time impact visualization, Energy, water, and waste metrics, Team collaboration, Social feed for progress sharing, Personalized sustainability pathways

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JouleBug free?

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

### Is Sow Green free?

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

### Which has better reviews, JouleBug or Sow Green?

Sow Green is rated higher. JouleBug averages 4.4 out of 5 from 41 ratings, while Sow Green averages 5.0 from 1 ratings.

### Do JouleBug or Sow Green have ads?

Neither JouleBug nor Sow Green shows ads.

### Which is updated more often, JouleBug or Sow Green?

JouleBug ships an update every 3 months, and Sow Green every 10 months. Most recently, JouleBug was updated on November 1, 2026 and Sow Green on November 3, 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.*