Comparison

JouleBug vs NMF.earth

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JouleBug

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
Read full description

Say farewell to JouleBug: Legacy. Embrace the new JouleBug, Employee Engagement Hub, for better workplace experiences! We're thrilled to introduce the next evolution of JouleBug – the ultimate hub for fostering better workplace experiences while championing environmental and social stewardship through collective action. Key Features: * Employee Engagement Hub: Empower your workforce to connect, collaborate, and thrive in a supportive environment that promotes well-being through collective action. * Tailored Sustainability Programs: Cultivate a culture of environmental and social stewardship with personalized programs that align with your organization's values and goals. * Metrics for Impactful Insights: Track and measure your organization's sustainability impact in real-time, gaining valuable insights into areas for improvement and celebrating collective achievements. * Inspirational Challenges: Spark enthusiasm and foster camaraderie among employees with engaging challenges crafted to inspire action and drive positive change. * Dynamic Social Interactions: Cultivate a sense of belonging and community through real-time updates, interactive discussions, and shared experiences on your sustainability journey. Download the all-new JouleBug app at https://joulebug.com/download today and enter access code "JouleBuggies" to join JouleBug Nation, where you'll experience a transformative journey of well-being and sustainability. Together, let's foster a culture that not only benefits people but also makes a positive impact on the world around us. Sincerely, The JouleBug Team

About

NMF.earth

Track and decrease your environmental impact by understanding your carbon footprint. Set personal emission goals and monitor your progress monthly to stay within your budget.

Highlights
  • Calculate CO2 emissions
  • Define carbon budget
  • Track monthly limits
  • Reduce carbon footprint
  • Actionable insights
Features
Read full description

Understand and reduce your carbon footprint. Define your carbon budget and take action to stay on track with your monthly limits.

Screenshots

JouleBug4 screens
NMF.earth4 screens

Verdict

The call

The clearest difference is rating: NMF.earth at 5.0 against JouleBug's 4.4. NMF.earth also leads on review sentiment (100% vs 70%). JouleBug's advantage is ratings volume (41 vs 1) and iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

NMF.earth 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. Written reviews point the same way: 70% of JouleBug's written reviews are positive against 100% of NMF.earth's.

UpkeepUpdate frequency

JouleBug ships an update every 3 months, NMF.earth every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
JouleBug versus NMF.earth: the parameters behind the verdict, then further details
ParameterJouleBugNMF.earth
PriceFreeFree
Rating4.4 (41 ratings)5.0 (1 ratings) — better
Positive reviews70.0% of reviews100.0% of reviews — better
Number of ratings41 — better1
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size70 MB42 MB
Age rating12+4+
DeveloperCleanbit Systems, Inc.Pierre Bresson

Customer experience

JouleBug

All ratings41 ratings
Positive82.9%
Neutral4.9%
Negative12.2%
Written reviews50 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

NMF.earth

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

JouleBug

Reported bugs

8 issues
  • App closes when buzzing
  • Server error prevents usage
  • App won't load after initial setup
  • Login errors, requires Facebook
  • Accidental buzzes cannot be deleted
Show 3 more
  • Glitchy titles
  • Incomplete button text and options
  • Crash on download

Requested features

15 requests
  • 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
Show 10 more
  • Track negative impact
  • Educate on conscious consumerism and waste cycle
  • Add Apple Watch capability
  • Allow users to submit new sustainability actions
  • Make seasonal actions location-specific
  • Add more social login options
  • Translate to other languages (e.g., Turkish)
  • Add a 'To-Do List' or 'Goals' section
  • More badges
  • More pins

NMF.earth

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JouleBug

No in-app purchases

None

NMF.earth

No in-app purchases

Questions

Is JouleBug free?
JouleBug is free to download, with no in-app purchases.
Is NMF.earth free?
NMF.earth is free to download, with no in-app purchases.
Which has better reviews, JouleBug or NMF.earth?
NMF.earth is rated higher. JouleBug averages 4.4 out of 5 from 41 ratings, while NMF.earth averages 5.0 from 1 ratings.
Do JouleBug or NMF.earth have ads?
Neither JouleBug nor NMF.earth shows ads.
Which is updated more often, JouleBug or NMF.earth?
JouleBug ships an update every 3 months, and NMF.earth every 6 weeks. Most recently, JouleBug was updated on November 1, 2026 and NMF.earth on November 3, 2026.

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