# JouleBug vs WattAnalytics

The clearest difference is ads: JouleBug at none against WattAnalytics's shown. JouleBug also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

JouleBug ships an update every 3 months, WattAnalytics every 2 months. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | JouleBug | WattAnalytics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/joulebug-legacy/id391199306/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 70 MB | 70 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Cleanbit Systems, Inc.](https://appshunter.io/developer/391199309) | [Watt Analytics GmbH](https://appshunter.io/developer/1462526990) |

## 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


### WattAnalytics

[App page](https://appshunter.io/ios/app/wattanalytics/id1462526991)

**In-app purchases:** none


## Frequently asked questions

### Is JouleBug free?

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

### Is WattAnalytics free?

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

### Do JouleBug or WattAnalytics have ads?

WattAnalytics shows ads; JouleBug does not.

### Which is updated more often, JouleBug or WattAnalytics?

JouleBug ships an update every 3 months, and WattAnalytics every 2 months. Most recently, JouleBug was updated on September 18, 2026 and WattAnalytics on September 10, 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.*